AI Rankings · Manufacturing & Industrial

ChatGPT's shortlist: injection molding companies, market by market

Injection molding companies make plastic parts for other manufacturers: mold design and tooling, production molding, insert molding and secondary operations.

5markets live
120ChatGPT answers read
30 Oct 2026latest snapshot

Across markets

Named in the most markets

  1. Texas Injection Moldingtop 20 in 2 of 5 · #1 in 2
  2. Chemplasttop 20 in 2 of 5
  3. Integrated Molding Solutionstop 20 in 2 of 5
  4. RMC Plasticstop 20 in 2 of 5
  5. Techstar Moldingtop 20 in 2 of 5
  6. C&J Industriestop 20 in 1 of 5 · #1 in 1
  7. Westec Plasticstop 20 in 1 of 5 · #1 in 1
  8. Thunderbird Molding Illinoistop 20 in 1 of 5 · #1 in 1
  9. A&M Plasticstop 20 in 1 of 5
  10. EMDtop 20 in 1 of 5

By state

Snapshot 23 Oct 2026 · 24 answers · 33 named

California

  1. Westec Plastics58%
  2. Universal Plastic Mold UPM54%
  3. UPM54%

No Leader yet

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Snapshot 23 Oct 2026 · 24 answers · 36 named

Illinois

  1. Thunderbird Molding Illinois46%
  2. Matrix Plastic Products46%
  3. Wise Plastics42%

No Leader yet

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Snapshot 23 Oct 2026 · 24 answers · 29 named

Pennsylvania

  1. C&J Industries63%
  2. Crescent Industries54%
  3. Plastikos50%

Leader: Plastikos

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Snapshot 30 Oct 2026 · 24 answers · 20 named

Texas

  1. Texas Injection Molding75%
  2. Chemplast75%
  3. Metro Custom Plastics46%

Leader: Texas Injection Molding

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By city

Snapshot 25 Sep 2026 · 24 answers · 21 named

Houston

  1. Texas Injection Molding100%
  2. Chemplast100%
  3. Integrated Molding Solutions100%

Leader: Texas Injection Molding

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