AI Rankings · Energy, Oil & Gas

ChatGPT's shortlist: oilfield service companies, market by market

Oilfield service companies provide the equipment, crews and expertise behind drilling and production: well services, hydraulic fracturing, water handling, pipeline and site construction.

6markets live
144ChatGPT answers read
3 Oct 2026latest snapshot

Across markets

Named in the most markets

  1. Halliburtontop 20 in 4 of 6 · #1 in 2
  2. SLBtop 20 in 4 of 6
  3. Weatherfordtop 20 in 4 of 6
  4. Baker Hughestop 20 in 3 of 6 · #1 in 1
  5. Deep Well Servicestop 20 in 3 of 6 · #1 in 1
  6. NOVtop 20 in 3 of 6
  7. Key Energy Servicestop 20 in 3 of 6
  8. ProFractop 20 in 3 of 6
  9. Victory well servicingtop 20 in 2 of 6 · #1 in 1
  10. Patterson-UTItop 20 in 2 of 6

Nationwide

Snapshot 3 Oct 2026 · 24 answers · 29 named

United States

  1. Halliburton83%
  2. SLB71%
  3. Baker Hughes67%

Leaders: Halliburton, SLB

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By state

Snapshot 3 Oct 2026 · 24 answers · 60 named

California

  1. MMI Services92%
  2. Excalibur Well Services83%
  3. TRB Oilfield Services75%

Leader: MMI Services

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Snapshot 3 Oct 2026 · 24 answers · 74 named

Pennsylvania

  1. Deep Well Services75%
  2. Calfrac Well Services63%
  3. Gas Field Specialists58%

Leader: Deep Well Services

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Snapshot 3 Oct 2026 · 24 answers · 70 named

Texas

  1. Halliburton63%
  2. Patterson-UTI63%
  3. SLB54%

Leader: Halliburton

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By city

Snapshot 3 Oct 2026 · 24 answers · 70 named

Houston

  1. Baker Hughes79%
  2. SLB71%
  3. Halliburton71%

No Leader yet

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Snapshot 3 Oct 2026 · 24 answers · 79 named

Midland–Odessa

  1. Victory well servicing63%
  2. J&W Services & Equipment63%
  3. Wheeler Drilling & Water Well Service63%

No Leader yet

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