Top industrial automation integrators in California, ranked by ChatGPT answers

Best industrial automation integrators in California ====================================================

California has a strong pool of industrial automation integrators, from specialist robotics firms to full-service controls engineering companies that handle PLCs, SCADA, industrial networking, and complete production-line integration.

My recommendation is to shortlist integrators by the type of project you need, rather than choose solely by company size or online ratings. The best partner for a FANUC robotic cell may be very different from the best partner for a plant-wide controls upgrade or a water-treatment SCADA project.

The following companies are a strong starting point based on their reported capabilities, industry focus, and California presence. This is a practical shortlist, not a definitive statewide ranking.

Thomasnet

+2

Top companies to consider

1. E Tech Group

Modesto, California presence

A strong candidate for larger, multidisciplinary automation projects involving PLC/PAC programming, HMI/SCADA, industrial networks, controls engineering, and plant-floor software integration.

Best for: Manufacturing facilities needing a broad controls and systems integration partner.

Source:

google.com

2. ATC Automation

Simi Valley, Southern California

A good candidate when the project requires purpose-built machinery, custom assembly automation, mechanical and electrical engineering, robotics, and commissioning.

Best for: Custom production equipment, assembly, and turnkey machine automation.

Source:

google.com

+1

3. Lumis Automation

Placentia, Orange County

Focuses on robotics, collaborative robots, PLC/HMI programming, electrical control panels, and machine automation.

Best for: Robotic machine tending, assembly, packaging, and material handling, especially for manufacturers seeking a specialist integrator.

Source:

google.com

4. Pacific Blue Engineering

Long Beach

Offers controls integration, industrial control-panel design and fabrication, machine safety, SCADA, and modernization of legacy controls.

Best for: PLC upgrades, control-panel projects, machine safety, and mixed-platform controls environments.

Source:

google.com

5. iA-ROBOTICS

Murrieta, Southern California

Combines robot programming, vision systems, PLC/HMI engineering, mechanical design, and ongoing technical support. Its stated FANUC specialization is worth considering for robot-centric projects.

Best for: Robotic workcells, machine tending, vision-guided automation, and custom manufacturing systems.

Source:

google.com

6. Enterprise Automation

Irvine, Orange County

A particularly relevant option for integrated control systems, PLC/DCS, SCADA/HMI, industrial networking, OT infrastructure, and plant data systems.

Best for: Complex process controls, plant-wide integration, industrial data infrastructure, and OT modernization.

Source:

google.com

7. Syberdyne

South San Francisco, Bay Area

Works across PLC, HMI, SCADA, distributed controls, motion control, robotics, inspection, and manufacturing systems.

Best for: Bay Area manufacturers seeking hands-on controls engineering, troubleshooting, and system commissioning.

Source:

Syberdyne

8. Industrial Automation Solution

Los Alamitos, Southern California

Covers robotic systems, PLC/HMI controls, motion control, machine vision, drives, and custom automation builds, with Mitsubishi automation among its stated areas of expertise.

Best for: Factory automation, robot cells, motion-control applications, and custom machine builds.

Source:

google.com

Other strong candidates by specialty

| Company

|

Location

|

Particularly worth considering for

Industrial Control and Design (ICAD Automation)

|

Clovis

|

PLC programming, control panels, Central Valley projects.

google.com

|

|

South Coast Robotics

|

Anaheim

|

FANUC robotics, robotic workcells, and manufacturing automation.

google.com

|

|

JTI Industrial Services

|

Shafter

|

Integrated electrical, mechanical, and controls work for industrial facilities.

google.com

|

|

Outlier Automation

|

Fresno

|

PLC/HMI/SCADA programming, motion control, and Central Valley service.

google.com.ar

|

|

South Coast Automation Systems

|

Yorba Linda

|

SCADA, historian systems, and municipal or industrial control applications.

google.com

|

How I would choose an integrator

Before requesting proposals, evaluate each candidate against these six criteria:

• Relevant project experience: Ask for two or three completed projects similar to yours, including measurable results.
• Controls platform expertise: Confirm experience with your installed base, such as Rockwell/Allen-Bradley, Siemens, Mitsubishi, Beckhoff, or Ignition.
• Engineering and fabrication: Determine whether electrical design, panel building, mechanical design, robotics, and programming are performed in-house or subcontracted.
• Commissioning and support: Check response times, after-hours coverage, spare-parts availability, and support after handover.
• Safety and compliance: Verify applicable machine-safety engineering, electrical standards, and required panel certifications.
• Ownership and documentation: Ensure you receive PLC source code, HMI/SCADA project files, backups, drawings, network diagrams, and operating documentation.

For a meaningful comparison, send the same scope of work to three integrators and compare total installed cost, commissioning milestones, warranty, and ongoing support—not just the initial quote.

Let’s narrow this to the best three for your project

The most useful next step is to identify what kind of automation you need.

1\. What type of project?

Factory automation, robotics, or production lines

PLC, HMI, SCADA, or controls upgrades

Process automation, DCS, or plant-wide controls

MES, OEE, industrial data, or OT integration

Machine vision, inspection, or precision assembly

2\. Preferred region

Southern California

Bay Area / Northern California

Central Valley

Anywhere in California

3\. Industry

General manufacturing

Food and beverage

Pharmaceutical, biotech, or medical devices

Water, wastewater, or utilities

Aerospace, automotive, or electronics

4\. Approximate project scale

Small upgrade or troubleshooting

Mid-sized project

Large turnkey project

Multi-site or enterprise program

Find my best-fit integrators

Best industrial automation integrators in California for small and mid-size manufacturers =========================================================================================

For a small or mid-size manufacturer, the best automation integrator usually isn't the largest engineering firm. It's a partner that can deliver a practical solution within your budget, work with your existing equipment, and provide reliable commissioning and support after installation.

I'd prioritize California integrators that offer a combination of PLC/HMI programming, robotics, machine vision, production-line integration, and controls support, with experience in projects that don't require a complete factory redesign.

The right shortlist also depends on whether you're automating a single machine, a packaging line, material handling, or a larger production process.

My shortlist: 8 California integrators to evaluate

These are a practical shortlist based on publicly described capabilities, location, and fit for targeted manufacturing projects—not a definitive statewide ranking. I'd start with smaller, specialized integrators for a first automation cell or retrofit, then consider larger firms for complex plant-wide projects.

1.

Lumis Automation

------------------------

Placentia · Orange County

Best for: Custom machine automation and turnkey projects.

Its described capabilities span robot and cobot integration, PLC/HMI programming, machine vision, motion control, safety, and control-panel fabrication. A strong candidate when you want one supplier to design and commission a complete machine or cell.

Ask about: minimum project size, fixed-price turnkey delivery, and post-installation support.

[Company website](https://www.lumisautomation.com/)

2.

Industrial Automation Solution

--------------------------------------

Los Alamitos · Southern California

Best for: Robotics, cobots, and upgrading existing equipment.

Its service mix includes PLC/HMI controls, drives, motion control, vision integration, and custom machine builds. Worth considering if you want to automate one production bottleneck without replacing the entire line.

Ask about: integrating with your existing PLC brand and providing local troubleshooting.

Phone: (657) 263-6852

3.

DYNAMC

--------------

Orange · Orange County

Best for: Custom machinery and hands-on engineering support.

Combines mechanical machine design, manufacturing, electrical controls, PLC/HMI work, installation, and ongoing support. A useful candidate for manufacturers that need a purpose-built fixture, machine, or process improvement.

Ask about: whether mechanical fabrication and controls are handled under one project contract.

Phone: (714) 988-6123

4.

Kanavu Automation

-------------------------

Pleasanton · Bay Area

Best for: Robotics and machine vision in high-mix manufacturing.

Describes a platform-agnostic approach spanning robotics, PLCs, motion control, vision, laser marking, and safety. Particularly relevant if products vary frequently and you need flexible automation rather than a dedicated, high-volume line.

Ask about: changeover time, part variation, and the cost of future product changeovers.

Phone: (925) 750-7308

5.

Industrial Control and Design (ICAD Automation)

-------------------------------------------------------

Clovis · Central Valley

Best for: PLC/SCADA upgrades and control-panel work.

Offers PLC/PAC and HMI programming, control-panel manufacturing, and industrial software integration. A sensible option for manufacturers that want to modernize existing equipment or improve production monitoring without a full mechanical rebuild.

Ask about: support for your existing controls platform and phased upgrades during production.

Phone: (559) 498-0290

6.

Outlier Automation

--------------------------

Fresno · Central Valley

Best for: Controls engineering, machine monitoring, and software-led projects.

Its described services include PLC, HMI, SCADA, motion control, robotics, and manufacturing data integrations. Consider it when your bottleneck involves control logic, downtime visibility, or connecting production equipment to reporting systems.

Ask about: commissioning at your facility, documentation, and remote support arrangements.

Phone: (559) 321-2326

7.

South Coast Robotics

----------------------------

Anaheim · Orange County

Best for: Robot cells, machine tending, pick-and-place, and inspection.

Its described specialties include FANUC robotics, vision-guided automation, PLC integration, packaging, and material handling. Worth evaluating for a clearly defined robotic task with measurable cycle-time or labor savings.

Ask about: safety validation, production acceptance testing, and operator training.

Phone: (888) 505-5117

8. California Technology Group

Pleasanton · Northern California

Best for: PLC-centric automation and engineering services.

Its directory-listed capabilities include PLC system design, fabrication, installation, project management, and engineering support across common industrial controls platforms. Consider it for a controls-focused project where you need engineering capacity without hiring a full internal team.

Ask about: current team availability, in-house fabrication, and the scope of commissioning support.

[Company information](https://www.thomasnet.com/suppliers/northern-california/all-cities/industrial-automation-systems-integrators-82143058)

Research basis: company descriptions and California supplier listings, including Thomasnet's [Southern California directory](https://www.thomasnet.com/suppliers/southern-california/all-cities/systems-integrators-industrial-automation-82143058)  and [Northern California directory](https://www.thomasnet.com/suppliers/northern-california/all-cities/industrial-automation-systems-integrators-82143058) . Capabilities should be confirmed directly; public listings don't establish project pricing or delivery quality.

Which integrator should you contact first?

| Your main need

|

Start with

One custom machine or turnkey automation cell

|

Lumis Automation

|

|

Robot/cobot integration or machine tending

|

Industrial Automation Solution

|

|

Custom machinery and mechanical engineering

|

DYNAMC

|

|

Flexible automation for different products

|

Kanavu Automation

|

|

PLC, SCADA, or controls retrofit

|

ICAD Automation

|

|

Production data and controls programming

|

Outlier Automation

|

|

Robotic pick-and-place or inspection

|

South Coast Robotics

|

|

Additional PLC engineering capacity

|

California Technology Group

|

Compare their locations

California automation integrators

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Map data is currently unavailable

How to choose the right partner

For a small or mid-size manufacturer, I'd compare three integrators using the same narrowly defined project brief. Ask each to provide:

• A phased proposal: Start with one machine, workstation, or bottleneck instead of committing to a plant-wide transformation.
• A clear total cost: Include engineering, hardware, installation, downtime, training, and post-launch support.
• Proof of similar work: Request a reference from a manufacturer with comparable production volume and product complexity.
• Ownership and documentation: Confirm you will receive PLC source code, electrical drawings, backups, manuals, and passwords.
• Support commitments: Establish response times, warranty terms, remote-access arrangements, and hourly rates before signing.

I wouldn't choose solely by online star ratings or the lowest initial quote. For a smaller manufacturer, the integrator's responsiveness and ability to deliver a maintainable system can matter more than company size.

Let me narrow this to the best 3

One question: What type of manufacturing do you do, and where in California is your facility? For example, metal fabrication in Los Angeles, food processing in the Central Valley, electronics in the Bay Area, or plastics manufacturing in Orange County.

With that, I can narrow the list to the three most relevant firms and focus on likely project fit, local support, and budget suitability.

For robotic cells and PLC programming in California, I’d prioritize integrators that can handle the full project lifecycle: mechanical design, robot selection and programming, PLC/HMI development, safety systems, commissioning, and ongoing support.

The best fit depends on whether you're building a new robotic workcell, automating an existing production line, or upgrading controls on legacy equipment. I’d start with a shortlist of established automation specialists and evaluate them on demonstrated experience with your application—not just the brands they sell.

My shortlist of California integrators

These are the companies I’d put on an initial request-for-proposal (RFP) list based on their advertised capabilities, California presence, and fit for robotic cells plus PLC controls. This is a practical shortlist, not a verified ranking of project quality.

1. MMP Automation

Oakland · Northern California

Best for: Custom robotic cells and integrated machinery.

MMP offers robot integration, PLC-based control systems, HMI development, mechanical engineering, and control-panel design. It looks like a strong candidate if you want one engineering partner to design and build a custom machine or cell.

mmp automation

[mmpautomation.com](https://www.mmpautomation.com/)

2. South Coast Controls

Anaheim · Southern California

Best for: FANUC robotics, PLC programming, and controls modernization.

A particularly relevant option if your project involves FANUC robots, HMI development, troubleshooting, or replacing legacy PLCs with modern controls. Its published capabilities also include installation and field support.

google.com.au

[South Coast Controls](https://www.southcoastcontrols.com/)

3.

iA-ROBOTICS

-------------------

Murrieta · Inland Southern California

Best for: Turnkey robotic cells and custom automation.

Its advertised engineering scope includes mechanical and electrical design, robot programming, machine vision, and PLC/HMI programming. Worth contacting for a new cell that needs coordinated mechanical, controls, and robotics work.

google.com

Contact details through its [business listing](https://www.google.com/search?q=iA-ROBOTICS+Murrieta+California)

4.

Lumis Automation

------------------------

Placentia · Orange County

Best for: Precision assembly and custom automation.

A candidate for applications involving robot pick-and-place, machine vision, precision component handling, and integrated controls. Its published work includes a custom assembly system combining a robot, vision, touchscreen controls, and servo-driven tooling.

google.com

714-202-7389

5. Icon Automation

California service coverage to confirm

Best for: Multi-brand robotics and PLC programming expertise.

Its published capabilities span Rockwell/Allen-Bradley, Siemens, Omron, and other PLC platforms, along with FANUC, ABB, Yaskawa, KUKA, and Universal Robots. It specifically advertises cycle-time studies, robot simulation, vision guidance, and safety PLC work. Confirm local field-service coverage before shortlisting.

Icon Automation

[iconautomation.com/services](https://iconautomation.com/services)

6. Infinite Motion Industries

San Diego · Southern California

Best for: Packaging, palletizing, machine tending, and plant support.

Its services include Allen-Bradley and Siemens controls, FANUC/ABB robot integration, packaging equipment installation, and ongoing repair and troubleshooting. Particularly relevant for production environments where post-startup support matters.

Infinite Motion Industries

[imotionindustries.com](https://imotionindustries.com/what_we_do/)

Compare them by project type

| Your main requirement

|

Start with

Custom machine and full robotic cell

|

MMP Automation, iA-ROBOTICS

|

|

FANUC cell and PLC retrofit

|

South Coast Controls

|

|

Precision assembly and vision

|

Lumis Automation

|

|

Multi-brand robot and PLC programming

|

Icon Automation

|

|

Packaging, palletizing, and service

|

Infinite Motion Industries

|

These are suggested starting points based on stated capabilities, not head-to-head performance test results. Before awarding a project, verify recent references, safety engineering competence, commissioning resources, and the availability of local technicians.

What I’d ask before selecting an integrator

For a serious robotic-cell project, I’d send the same technical questions to three or four firms:

• Robot experience: Which robot brands and models have you commissioned in applications similar to ours?
• PLC expertise: Do you program Allen-Bradley ControlLogix/CompactLogix, Siemens TIA Portal, or our existing platform?
• Complete cell scope: Can you provide robot programming, tooling/end-of-arm tooling, guarding, safety PLCs, vision, HMI, and electrical panels?
• Simulation and cycle time: Will you validate robot reach, collision clearance, and target cycle time before building?
• Acceptance testing: Do you provide a factory acceptance test (FAT), site acceptance test (SAT), and documented production-rate verification?
• After-sales support: Who responds when the cell faults during production, and what are the expected response times?
• Code ownership: Will we receive editable PLC and robot programs, electrical schematics, backups, and maintenance documentation?

For safety, ask how the integrator performs and documents the machine risk assessment and validates protective measures against the applicable standards. Don't assume a robot's built-in safety functions alone make the entire cell safe.

Let’s narrow this to the best three

One detail would help me make a much more targeted recommendation: Where in California is your facility?

1. Facility location

Southern California — LA, Orange County, Inland Empire, San Diego

Bay Area / Northern California

Central Valley

Anywhere in California

2\. Primary application

CNC/machine tending

Robotic welding

Palletizing / packaging

Assembly, inspection, or machine vision

Other / general-purpose robotic cell

3\. Project scope

Complete turnkey cell design and build

Robot programming and PLC integration only

PLC retrofit, debugging, or troubleshooting

4\. Preferred PLC platform

Allen-Bradley / Rockwell

Siemens

Omron / Mitsubishi / Beckhoff

Open to recommendation / not sure

Find my best-fit integrators

If you're looking for an industrial automation integrator in California that can provide ongoing technical support, rapid troubleshooting, and fast on-site service, I'd prioritize companies that explicitly offer emergency response, remote diagnostics, preventive maintenance, and support for your existing PLCs, HMIs, drives, and robotics.

Here are the strongest candidates I found, grouped by service coverage and the type of support they emphasize. Response times below are based on published company claims, not independently verified service-level performance.

California industrial automation integrators to consider

1. Applied Design & Control (ADC)

Northern California · PLC and controls service

A strong candidate for plants that need hands-on troubleshooting rather than a complete system replacement. ADC advertises rapid service calls, on-site PLC/HMI diagnostics, drive and motor repairs, panel wiring, and emergency support, including 24/7 availability for critical systems.

• Published service area: Sacramento, Napa, Sonoma, Vacaville, and surrounding areas.
• Best for: Existing production lines, food processing, wineries, and industrial control failures.
• Website: [Applied Design & Control — Field Services](https://applieddesignandcontrol.com/fieldservice.html) .
  Applied Design & Control

2. Freedom Automation Inc.

Vista, California · Southern California

Offers on-site field service for PLCs, SCADA, electrical controls, industrial communications, and mechanical or process troubleshooting. Its service offering also includes preventive maintenance, repairs, commissioning, and system upgrades.

• Best for: Plants that want one provider for electrical and controls troubleshooting, along with ongoing maintenance.
• Verify: Emergency dispatch hours, travel coverage, and guaranteed arrival times.
• Website: [Freedom Automation — Field Services](https://www.freedomautomation.com/field-services) .
  Freedom Automation Inc.

3. Strule Automation

Napa, California · Northern California

Particularly interesting if you need support for existing controls and want to avoid unnecessary equipment replacement. Strule advertises typical on-site availability within 48 hours across Northern California, with remote diagnosis often possible the same day for ongoing-support customers.

• Best for: PLC/HMI/SCADA troubleshooting, legacy controls, and continuing technical support.
• Support model: Remote assistance, scheduled reviews, and ongoing system monitoring options.
• Website: [Strule Automation — Services](https://struleautomation.com/services) .
  Strule Automation

4\. Automation Solutions Inc. (ASI)

Southern California · Robotics and industrial automation

ASI advertises 24/7 technical support, emergency troubleshooting, on-site engineering, hardware replacement, machine upgrades, and full-service robotics integration.

• Best for: Production facilities that need a combination of integration work and emergency recovery support.
• Ask about: Contract coverage, after-hours dispatch, and whether response commitments are written into the agreement.
• Website: [ASI — Service and Support](https://automationsolinc.com/service-and-support/) .
  ASI

5\. Control Concepts

Buena Park, California · Southern California

A practical option for troubleshooting and maintaining installed industrial equipment. Its services include PLC programming and fault diagnosis, drive and servo systems, HMI integration, legacy controls, and automation upgrades.

• Best for: Manufacturers with mixed-vendor control systems or aging equipment.
• Ask about: Emergency service availability and the on-site response time for your facility.
• Business information: Control Concepts.

6\. Performance Automation Company, Inc.

Madera, California · Central Valley

A candidate for manufacturers and process facilities that want a California-based controls partner. The company emphasizes automation engineering, SCADA/HMI, controls support, and 24/7/365 emergency service.

• Best for: Food and beverage processing, manufacturing, and municipal or process-control applications.
• Ask about: Geographic dispatch limits, support-contract options, and coverage for your installed control platforms.
• Business information: Performance Automation Company, Inc..

Compare the options at a glance

| Integrator

|

Main coverage

|

Particularly useful for

Applied Design & Control

|

Northern CA

|

Emergency PLC and drive repairs

|

|

Freedom Automation

|

Southern CA

|

Electrical and controls field service

|

|

Strule Automation

|

Northern CA

|

Existing systems and ongoing support

|

|

ASI

|

Southern CA

|

24/7 support and robotics

|

|

Control Concepts

|

Orange County

|

PLCs, VFDs, and legacy equipment

|

|

Performance Automation

|

Central Valley

|

Process automation and emergency support

|

California automation integrators

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Map data is currently unavailable

What to verify before choosing

A company advertising fast service doesn't necessarily guarantee a technician will reach your plant quickly. When contacting these providers, ask for:

• On-site response SLA: Is arrival guaranteed within 4, 8, or 24 hours?
• After-hours coverage: Is a qualified controls engineer available nights, weekends, and holidays?
• Remote response: How quickly can they connect securely to your PLC or SCADA system?
• Ongoing support: Can you purchase a monthly or annual service agreement with preventive maintenance and priority dispatch?
• Platform expertise: Do they support your exact equipment, such as Allen-Bradley, Siemens, Mitsubishi, FANUC, or ABB?
• Local technician availability: Are engineers based near your facility, or dispatched from another region?

My recommendation: Start with Applied Design & Control for Northern California, Freedom Automation or ASI for Southern California, and Performance Automation for the Central Valley. If avoiding downtime is the overriding priority, compare their written response-time commitments before comparing project pricing.

One question that would help me narrow this to the best three providers: Which part of California is your facility in — Northern California, the Bay Area, Central Valley, Los Angeles/Orange County, or San Diego?

Most reliable industrial automation integrators in Southern California ======================================================================

If you're looking for an industrial automation integrator in Southern California, I'd prioritize companies with a proven track record of commissioning equipment on-site, strong controls engineering, responsive service after startup, and experience in your specific industry.

The most important distinction is between a company that can build an impressive automation system and one that can keep your production line running reliably after installation. For that reason, I would evaluate references from comparable plants, troubleshooting capability, documentation quality, and local field-service coverage—not just company size or brand-name partnerships.

My shortlist

These are the firms I'd investigate first, grouped by the type of automation work they appear best suited for. This is a practical shortlist based on documented capabilities, specialization, local presence, and available business information—not a verified ranking of project success rates.

1.

Enterprise Automation

-----------------------------

Irvine, Orange County · Plant controls and SCADA

A strong first call for larger controls-engineering projects involving PLCs, SCADA, control panels, analytics, and IT/OT integration. The company reports CSIA certification and a dedicated engineering and training capability, which are useful signals for evaluating process maturity.

google.com

Best for: Plant-wide controls, complex system integration, and projects requiring formal engineering processes.

[Company website](https://www.enterpriseautomation.com/)

2.

TransAutomation Technologies

------------------------------------

Irvine · Robotics, conveyors, and packaging

A candidate for turnkey production automation that combines custom conveyors, robotics, controls, fabrication, installation, and commissioning. Particularly relevant when the job involves moving product through a line rather than simply programming PLCs.

google.ca

Best for: Packaging lines, material handling, robotic cells, and production-line upgrades.

[Company website](https://www.transautomation.com/)

3.

DynamC, LLC

-------------------

Orange, Orange County · Custom machinery

Worth considering when the project needs mechanical design and fabrication alongside electrical engineering, controls programming, and installation. Its custom-machine focus can be valuable for manufacturers whose process doesn't fit standard automation equipment.

google.com

Best for: Custom machines, retrofits, and bespoke manufacturing equipment.

[Company website](https://www.dynamc.com/)

4.

South Coast Controls

----------------------------

Anaheim · PLCs, HMI/SCADA, and control panels

A local candidate for controls engineering, PLC programming, operator interfaces, SCADA, and control-panel work. I'd include them when maintaining or upgrading an existing plant control system is more important than purchasing a complete robotic production cell.

google.com.au

Best for: PLC upgrades, control-panel projects, commissioning, and plant troubleshooting.

[Company website](https://www.southcoastcontrols.com/)

5.

iA-ROBOTICS

-------------------

Murrieta · Robotics and custom automation

A candidate for integrated robotic systems combining mechanical design, robot programming, machine vision, PLC/HMI controls, and deployment.

google.com

Best for: Robotic workcells, machine tending, vision-guided automation, and custom manufacturing applications.

[Company website](https://www.ia-robotics.com/)

6.

Stellar Technology & Automation (S-Tekk)

------------------------------------------------

Jurupa Valley · Controls modernization

Particularly interesting for legacy controls and SCADA upgrades. Its published project descriptions include PLC modernization, migration from unsupported SCADA platforms, network improvements, and work intended to limit downtime.

google.com

Best for: Existing-facility modernization, controls migrations, and troubleshooting.

[Company website](https://www.stekk.com/)

7.

Pacific Blue Engineering

--------------------------------

Long Beach · Controls engineering and system integration

Another option for end-to-end control-system engineering, including PLCs, HMI/SCADA, UL 508A control panels, machine safety, commissioning, and legacy-system modernization.

google.com

Best for: Controls-focused projects, electrical panels, safety improvements, and upgrades to existing equipment.

[Company website](https://www.pacificblueengineering.com/)

Which ones would I contact first?

For a more focused starting point, I'd prioritize these three depending on the job:

• Plant-wide controls and SCADA: Enterprise Automation — particularly if you want a structured engineering partner.
• Robotics and turnkey production equipment: TransAutomation Technologies — its published capabilities include in-house controls, conveyor engineering, and robotic automation.
  TransAutomation
• Control panels, PLC upgrades, and ongoing controls work: South Coast Controls — its published capabilities include UL-listed panel manufacturing, PLC/HMI/SCADA programming, and FANUC robotic integration.
  Industrial Automation & Control Panel Solutions
  +1

Southern California integrator locations

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Map data is currently unavailable

How to tell which integrator is genuinely reliable

Before awarding a project, I'd ask each finalist for:

1. Two comparable customer references — ideally plants that have operated the system for at least 12 months.
2. A service response commitment — including after-hours coverage, on-site response targets, and who actually answers emergency calls.
3. A clear commissioning and acceptance plan — with factory/site acceptance testing, downtime limits, and measurable performance criteria.
4. Complete handover documentation — PLC and HMI source code, electrical drawings, network diagrams, backups, licenses, and passwords.
5. A defined warranty and change-order process — including how defects, production interruptions, and scope changes are handled.

Also verify relevant qualifications, safety engineering competence, and manufacturer authorization directly. Online ratings and company marketing are useful screening signals, but neither proves dependable industrial performance.

One question to narrow this down

What kind of industrial automation do you need? That will change which firms I'd put at the top of the list.

1. Type of project

PLC, HMI, SCADA, and controls engineering

Robotics, machine vision, and robotic cells

Turnkey production lines, conveyors, and packaging

Plant-wide modernization or legacy-system upgrades

2\. Industry

General manufacturing

Food and beverage

Pharmaceutical or medical devices

Aerospace or defense

Water, wastewater, or utilities

Other industrial process

3\. Preferred service area

Los Angeles / Long Beach

Orange County / Inland Empire

San Diego County

Anywhere in Southern California

4\. Main priority

Reliability and responsive service

Deep technical expertise

Cost and project value

Ability to deliver a large turnkey project

Find the best-fit integrators

Best industrial automation integrators in Northern California =============================================================

If you're looking for an industrial automation systems integrator in Northern California, I'd start with a shortlist of firms that handle PLC programming, SCADA/HMI, control panels, robotics, process automation, and commissioning.

There isn't a single objective "best" integrator: the right choice depends on whether you're automating a production line, upgrading a plant's control system, building a robotic workcell, or integrating a water/wastewater or process facility. Based on regional presence and documented capabilities, these are the companies I'd put on an initial RFP shortlist.

Thomasnet

+1

Top companies to evaluate

1. E Tech Group

Modesto and Napa, California

A strong starting point for larger, multidisciplinary automation projects involving PLC/PAC programming, SCADA/HMI, industrial networking, system modernization, and ongoing support. Worth considering for food and beverage, manufacturing, and plant-wide controls projects.

google.com

+1

[Company website](https://etechgroup.com/)

2.

Tesco Controls

----------------------

Sacramento, California

Particularly worth evaluating for critical infrastructure, water and wastewater, electrical power controls, custom control panels, and turnkey control-system projects. Its combination of engineering, manufacturing, programming, and field support is a differentiator.

google.com.br

[Company website](https://www.tescocontrols.com/)

3.

Telstar Instruments

---------------------------

Sacramento and Concord, California

A good candidate for instrumentation-heavy projects, PLC/SCADA integration, control-system upgrades, commissioning, and ongoing plant maintenance. Particularly relevant when field instrumentation and electrical/control engineering need to be coordinated.

google.com

+1

[Company website](https://www.telstarinc.com/)

4.

CKC Automation

----------------------

Benicia, California

An attractive option for custom automation equipment where mechanical design, electrical engineering, software, robotics, and industrial data need to work together. Consider it for bespoke machinery, production equipment, and integrated automation cells.

google.com

[Company website](https://www.ckcautomation.com/)

5.

Western States Controls

-------------------------------

Martinez, California

A candidate for process-industry automation involving PLC, distributed control systems (DCS), SCADA, instrumentation, system commissioning, and modernization of existing plants. Best suited to projects where process control matters more than standalone machine automation.

google.com

6.

Electrical Design & Motor Control, Inc.

-----------------------------------------------

Roseville, California

Worth considering for industrial electrical work, control-panel fabrication, PLC/HMI/SCADA integration, commissioning, and material-handling applications. A potentially good fit when electrical installation and controls need to be delivered together.

google.com.sa

7. Saber Engineering

Auburn, California

A specialist to investigate for robotic cells, machine vision, motion control, laser welding, and custom mechatronic systems—especially for discrete manufacturing and specialized equipment.

Thomasnet

[Company website](https://www.sabereng.com/)

More firms worth shortlisting

• TM Process & Controls — West Sacramento. Consider for process automation, PLC/HMI, SCADA, historians, reporting, and modernization of existing systems.
• Fourstep Automation — Hayward. A candidate for PLC/SCADA, industrial data historians, control-system engineering, and projects requiring detailed documentation and ongoing support.
• DST Controls — Benicia. Worth evaluating for PLC/HMI/SCADA integration, legacy controls upgrades, and control-panel assembly.
• Core Automation — El Dorado Hills. Consider for electrical engineering, process automation, PLC/HMI/SCADA, and instrumentation-related projects.

google.com

+3

Where the companies are located

Northern California automation integrators

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How I'd select the best integrator

Before choosing a company, I'd evaluate each against these criteria:

| Criteria

|

What to verify

Technical fit

|

Experience with your PLC, HMI, SCADA, robotics, or DCS platform

|

|

Relevant projects

|

References from facilities with similar processes and production requirements

|

|

Delivery capability

|

Engineering, panel fabrication, installation, commissioning, and startup

|

|

Support

|

Local technicians, emergency response, spare parts, and long-term maintenance

|

|

Project execution

|

Clear scope, milestones, documentation, training, and change-order process

|

|

Safety and quality

|

Functional safety capability, cybersecurity practices, and applicable certifications

|

Don't select solely on company size or online ratings. Ask for two or three comparable project references and confirm who will actually perform the engineering and commissioning.

Let me narrow this to the best three

The shortlist changes significantly by application. What type of industrial automation are you looking for?

1. Type of work

PLC/SCADA and plant controls

Robotics and automated production lines

Custom machinery and OEM equipment

Electrical controls and control panels

MES, industrial data, and digital manufacturing

1. Industry

General manufacturing

Food, beverage, or wine

Water, wastewater, or utilities

Pharmaceutical, biotech, or semiconductor

Other process industry

3\. Preferred service area

Bay Area

Sacramento and Central Valley

North Bay

Anywhere in Northern California

4\. Project stage

New installation or major upgrade

Troubleshooting or legacy-system migration

Ongoing engineering and maintenance support

Find the best-fit integrators

If your priority is getting an industrial automation project delivered on time, within budget, and ready for production, I’d shortlist integrators based on documented project outcomes, in-house engineering and commissioning capability, and the quality of their project-management process—not just their technical expertise.

One caveat: no independent, apples-to-apples dataset establishes which California integrator has the best schedule and budget performance across all projects. The companies below are promising candidates based on published case studies, customer testimonials, and relevant capabilities. Their track records should still be verified with customer references.

California industrial automation integrators to shortlist

1. E Tech Group

Best for complex, multi-site and process automation projects

E Tech Group has a particularly strong documented case for delivery discipline. In a parcel-hub controls upgrade, the company reports completing work on time and on budget despite a compressed schedule, late equipment deliveries, and limited installation windows. It also has enterprise-wide CSIA certification.

E Tech Group

+1

Best fit: Food and beverage, pharmaceutical manufacturing, material handling, PLC/SCADA upgrades, and complex control-system integration.

[Website and project case studies](https://etechgroup.com/)

2. Electrical Design & Motor Control (EDMCI)

Best for turnkey controls, retrofits, and material handling

Based in Roseville, EDMCI reports more than 3,000 completed projects. It provides engineering, PLC programming, UL 508A control panels, installation, and after-hours support. A Honeywell estimating manager's testimonial specifically praises its reliability under tight deadlines.

Roseville

Best fit: Distribution, food processing, bottling, legacy equipment upgrades, and projects where coordinating controls engineering and installation under one supplier matters.

[Website and capabilities](https://www.edmci.com/)

3. Enterprise Automation

Best for process control and lifecycle project management

Enterprise Automation offers end-to-end services from planning and engineering through commissioning and support. Its CSIA certification and dedicated project-management capabilities make it worth evaluating for projects where scope definition, technical risk, and commissioning readiness are major cost drivers.

Enterprise Automation

+2

Best fit: Process manufacturing, PLC/DCS, SCADA, instrumentation, and industrial modernization.

[Website and services](https://eaintegrator.com/)

4. SilMan Industries

Best for conveyors, sortation, and distribution systems

SilMan documents a multi-year OnTrac program spanning California facilities, including Redlands, Carlsbad, Petaluma, and San Diego. The company reports completing the program on schedule and within budget, with in-house engineering, installation, and project management.

SilMan Industries

Best fit: Distribution centers, parcel handling, conveyor systems, and turnkey material-handling projects.

[Website and case study](https://silmanindustries.com/case-study/ontrac-multi-site-system-updates/)

5. Lumis Automation

Best for custom robotic cells and machine automation

Lumis is a Southern California candidate for projects that combine custom machine design, robotics, PLC/HMI programming, machine vision, safety, and control-panel fabrication. Its end-to-end capabilities are relevant when integration across multiple vendors could otherwise create schedule risk. Public evidence of on-time and on-budget performance is less conclusive than for the first four firms.

Best fit: Robotic assembly, machine tending, packaging, inspection, and custom automation equipment.

[Website](https://www.lumisautomation.com/)

How I would choose between them

| If your main requirement is…

|

Start with

Strongest documented schedule-and-budget case for complex integration

|

E Tech Group

|

|

Controls engineering, panel fabrication, and installation under one roof

|

EDMCI

|

|

Process controls and structured project execution

|

Enterprise Automation

|

|

Conveyor and distribution-center automation

|

SilMan Industries

|

|

Custom robotic cells and machine building

|

Lumis Automation

|

These are fit-based recommendations, not a statistically validated ranking of delivery performance.

How to verify that an integrator really delivers on time and on budget

Before awarding a project, ask each finalist for:

• Three comparable completed projects: Request original versus actual completion dates, original versus final cost, and explanations for any variances.
• Two recent customer references: Ideally, speak directly with plant managers or project owners whose projects have already reached production.
• A detailed commercial proposal: Clarify exclusions, hardware lead times, change-order rates, contingency, travel, commissioning, and acceptance criteria.
• A defined project-control process: Look for a baseline schedule, milestone reporting, risk register, documented scope freeze, factory acceptance testing (FAT), and site acceptance testing (SAT).
• A named project manager and commissioning lead: Confirm their availability and whether the same people will remain assigned through startup.

One useful independent resource is the [Control System Integrators Association's integrator directory](https://controlsys.org/find-an-integrator/) , which lets you screen firms by industry, specialization, and certification.

Control System Integrators Association

Let me narrow this to the best three for your project

The strongest shortlist depends heavily on the type of automation and the size of the investment.

1\. What type of project are you planning?

Factory automation / robotics

PLC, SCADA, DCS or controls upgrade

Conveyors, packaging or material handling

Process automation (food, pharma, chemicals, etc.)

Greenfield plant or full turnkey project

2\. What's the approximate project budget?

Under $100k

$100k–$250k

$250k–$1M

$1M–$5M

Over $5M

Not yet determined

3\. Where will the work take place?

Northern California

Central California

Southern California

Anywhere in California

4\. What's your most important selection criterion?

Proven delivery track record

Lowest total project cost

Technical expertise and quality

Fastest implementation

Find my top 3 integrators

If I were building a shortlist of family-owned or locally owned industrial automation integrators in California, I'd prioritize firms that design and build systems in-house, have a track record in real manufacturing environments, and can support the equipment after commissioning—not just sell automation hardware.

There isn't a single reliable public ranking of which integrators California manufacturers trust most. The shortlist below is based on verifiable ownership statements, years in business, technical capabilities, industry experience, and available third-party business-review signals. I've separated full system integrators from controls specialists and automation suppliers because they serve different needs.

California integrators worth shortlisting

1. MARS Automation Inc.

Pomona · Southern California

Best for: Custom machinery and production equipment.

MARS describes itself as a family-built business serving manufacturers since 1997. Its capabilities include custom machine design, machining, fabrication, assembly, integration, modifications, troubleshooting, and service. It serves sectors including aerospace, automotive, medical manufacturing, packaging, and general manufacturing.

Custom Industrial Automation

Why shortlist it: A good fit when you want a hands-on partner that can build both the machine and its automation.

Website: [marsautomation.com](https://marsautomation.com/)

2. Trans Automation Technologies

Irvine · Orange County

Best for: Robotic packaging, palletizing, and material handling.

The company provides in-house mechanical and electrical engineering, robot and PLC programming, custom conveyors, and complete robotic cells. It also states that FANUC selected it as a preferred systems integrator in Southern California.

transautotech.com

Why shortlist it: Particularly relevant for manufacturers automating end-of-line packaging or replacing manual material-handling operations.

Website: [transautotech.com](https://transautotech.com/)

3. Lumis Automation

Orange County

Best for: Robotic assembly, machine tending, and inspection.

Lumis combines mechanical, electrical, and software engineering for complete automation projects. Its published manifold-assembly case study describes dual Mitsubishi robots, PLC/HMI integration, torque monitoring, and in-house control-system development.

Industrial Automation Integrations

+1

Why shortlist it: Worth evaluating for custom assembly cells where repeatability, quality monitoring, and production flexibility matter.

Website: [lumisautomation.com](https://lumisautomation.com/)

4. Case Automation Corp.

California · Confirm current service location

Best for: Specialized product handling and custom conveyors.

Established in 1985, Case Automation designs and builds custom product-handling equipment and automated-process machinery. It also offers modular aluminum machine-frame systems and standard conveyors.

Case Automation Corp.

Why shortlist it: An established option for applications where the handling mechanism, fixture, or conveyor needs to be engineered around the product.

Website: [caseautomation.com](https://caseautomation.com/)

5. Microtrol Engineering

Torrance · Los Angeles County

Best for: Legacy equipment upgrades and CNC retrofits.

Family-owned and operated since 1988, Microtrol specializes in CNC retrofits, machine-tool service, press controls, and custom automation. It highlights in-house electrical work and identifies itself as a FANUC-authorized CNC system integrator.

Microtrol Engineering

Why shortlist it: A strong candidate when you need to modernize existing equipment without replacing an entire production line.

Website: [microtrolengineering.com](https://microtrolengineering.com/)

6. South Coast Controls

Anaheim · Orange County

Best for: Industrial control panels and electrical control systems.

South Coast Controls describes itself as family-owned since 1984. Its services include engineered control panels, panel assembly, wiring, functional testing, and installation and commissioning support. It lists UL 508A and ISO 9001:2015 credentials.

Industrial Automation & Control Panel Solutions

Why shortlist it: Especially relevant when panel quality, documentation, and electrical-system reliability are major project requirements. Verify the extent of its full machine-level integration for your application.

Website: [southcoastcontrols.com](https://www.southcoastcontrols.com/)

7.

Outlier Automation

--------------------------

Fresno · Central Valley

Best for: PLC, HMI, SCADA, and controls engineering.

Outlier describes itself as a family business founded in 2019. Its focus includes PLC programming, industrial control systems, HMI/SCADA, motion control, and automation support across the Central Valley.

google.com.ar

Why shortlist it: A local option to consider for controls upgrades, troubleshooting, and projects that don't require a completely new custom machine.

Website: [Search Outlier Automation](https://www.google.com/search?q=Outlier+Automation+Fresno+California)

8\. Adapt Automation

Santa Ana · Orange County

Best for: Custom-built factory automation and specialized machinery.

Adapt Automation has operated as a family-run business since 1971. A profile in CNC West describes its history building automation systems for factories and manufacturing many of its own machine components in-house.

CNC West Magazine

Why shortlist it: Its long manufacturing history makes it worth investigating for specialized machinery and build-to-order automation. Confirm its current project scope and service capabilities.

Website: [Search Adapt Automation](https://www.google.com/search?q=Adapt+Automation+Santa+Ana+California)

Which ones would I contact first?

The right choice depends on what your plant needs. Here's how I'd narrow the list.

| Your project

|

Start with

New custom machine or production cell

|

MARS Automation, Lumis Automation

|

|

Robotic packaging, palletizing, or conveyors

|

Trans Automation Technologies

|

|

Product handling or custom conveying

|

Case Automation

|

|

CNC retrofit or legacy machine upgrade

|

Microtrol Engineering

|

|

Electrical controls and control-panel build

|

South Coast Controls

|

|

PLC/SCADA upgrades or Central Valley support

|

Outlier Automation

|

|

Specialized factory-built machinery

|

Adapt Automation

|

For additional context, Industrial Automation Group (IAG) is another California integrator worth investigating if you need plant-wide controls, SCADA, or food-processing automation. A published case study describes its work implementing controls, PLC/HMI/SCADA, and commissioning for a California olive-oil packaging line, with the changeover designed to avoid production downtime. Ownership should be verified separately before adding it to a family-owned-only shortlist.

Amazon Web Services, Inc.

+1

Website: [automationgroup.com](https://automationgroup.com/) .

How to tell whether manufacturers genuinely trust an integrator

Before awarding a project, I'd ask each firm for:

• Two or three comparable customer references you can speak with directly, ideally from plants running similar equipment.
• A live production reference visit or a documented case study with measurable results.
• In-house engineering details: who handles mechanical design, PLC programming, electrical panels, robot programming, commissioning, and troubleshooting?
• After-sales commitments: response times, emergency support, spare parts, remote access, and local technician coverage.
• Project ownership and documentation: source code, electrical drawings, backups, passwords, manuals, and training at handover.
• Quality and safety credentials: relevant UL panel-shop credentials, robot safety risk assessments, and any industry-specific compliance requirements.

Customer reviews and longevity are useful signals, but neither independently proves successful industrial project delivery. References from operating plants are more persuasive.

Let's narrow this to the best fit

Which part of California are you sourcing in, and what type of automation do you need? For example, robotics and machine vision, packaging, PLC/SCADA controls, custom machinery, or CNC retrofits. I can then prioritize the most relevant locally owned firms rather than giving you a statewide directory.