US Factory Map

Plastic injection molding companies in Texas

Texas has 233 plastic injection molders in EPA records, facilities that list codes for plastic parts and products made by molding, including injection-molded components. The most are in Houston, Dallas and Fort Worth. That is 6% of the 3,730 such facilities nationwide, and Texas ranks #4 of 49 states.

Product
Plastic injection molding companies
Facilities
233
State rank
#4
NAICS
326121, 326122, 326199
Revised
November 1, 2026

Facilities in Texas

These are active facilities in EPA's ECHO database that list a code for plastic parts and products made by molding, including injection-molded components. The 40 shown first are the ones with the most EPA program records, which usually means the larger sites.

FacilityCityWhat EPA lists
Dartco of Texas Waxahachie SiteWaxahachieUnlaminated Plastics Profile Shape Manufacturing
AquaticLancasterAll Other Plastics Product Manufacturing
Chem PrufBrownsvilleAll Other Plastics Product Manufacturing
Bfi Southwest LandfillCanyonAll Other Plastics Product Manufacturing
Dolco PackagingDallasAll Other Plastics Product Manufacturing
Ecs FacilityBeltonAll Other Plastics Product Manufacturing
Fibergrate Composite Structures IncorporatedStephenvilleUnlaminated Plastics Profile Shape Manufacturing
Giddings Main PlantGiddingsAll Other Plastics Product Manufacturing
Hobas Pipe USAHoustonPlastics Pipe and Pipe Fitting Manufacturing
Iowa Park PlantIowa ParkUnlaminated Plastics Profile Shape Manufacturing
Mansfield Plumbing ProductsHendersonAll Other Plastics Product Manufacturing
National Oilwell VarcoBeltonAll Other Plastics Product Manufacturing
Nov Fiber Glass Systems BurkburnettBurkburnettPlastics Pipe and Pipe Fitting Manufacturing
Pactiv CorpCorsicanaAll Other Plastics Product Manufacturing
Royal Baths Mfg Burns St FacilityRichland HillsUnlaminated Plastics Profile Shape Manufacturing
Sawyer Oilfield Brownwood FacilityBrownwoodAll Other Plastics Product Manufacturing
Silsbee Plastics PlantSilsbeeUnlaminated Plastics Profile Shape Manufacturing
Temple NorthTempleUnlaminated Plastics Profile Shape Manufacturing
Xerxes Corp Seguin PlantSeguinUnlaminated Plastics Profile Shape Manufacturing
Andrews PlantAndrewsUnlaminated Plastics Profile Shape Manufacturing
Clarke Products Waco FacilityWacoUnlaminated Plastics Profile Shape Manufacturing
Diamond Fiberglass FabricatorsVictoriaAll Other Plastics Product Manufacturing
Fiberglass Truck PartsGainesvilleUnlaminated Plastics Profile Shape Manufacturing
L F Manufacturing QfrpGiddingsAll Other Plastics Product Manufacturing
Leisure Pools And Spas Manufacturing North AmericaNew BraunfelsUnlaminated Plastics Profile Shape Manufacturing
Lonestar Fiberglass New BraunfelsNew BraunfelsUnlaminated Plastics Profile Shape Manufacturing
Market Street PlantKarnes CityPlastics Pipe and Pipe Fitting Manufacturing
MartechMidlothianAll Other Plastics Product Manufacturing
Plastic PartsGainesvilleAll Other Plastics Product Manufacturing
Red EwaldKarnes CityUnlaminated Plastics Profile Shape Manufacturing
Royal Baths ManufacturingHoustonAll Other Plastics Product Manufacturing
Teijin Automotive Technologies TexasSeguinAll Other Plastics Product Manufacturing
United Fiberglass IncAmarilloUnlaminated Plastics Profile Shape Manufacturing
W & W Fiberglass TankPampaAll Other Plastics Product Manufacturing
Waco Composites PlantWacoUnlaminated Plastics Profile Shape Manufacturing
Clock SpringHoustonUnlaminated Plastics Profile Shape Manufacturing
Permian Fiberglass FacilityOdessaPlastics Pipe and Pipe Fitting Manufacturing
Reynolds Temple PlantTempleAll Other Plastics Product Manufacturing
Royal Baths Buschong Road FacilityHoustonAll Other Plastics Product Manufacturing
Stanton PlantStantonUnlaminated Plastics Profile Shape Manufacturing

Industry codes are reported by facilities to EPA programs and are not checked here. A few listings may be repair shops, distributors or recyclers. How these records work.

Where they are

  • Houston: 37
  • Dallas: 14
  • Fort Worth: 11
  • Grand Prairie: 8
  • El Paso: 8
  • Waco: 7

By product code

  • All Other Plastics Product Manufacturing (NAICS 326199): 19 of those shown
  • Unlaminated Plastics Profile Shape Manufacturing (NAICS 326121): 17 of those shown
  • Plastics Pipe and Pipe Fitting Manufacturing (NAICS 326122): 4 of those shown

All plastics and rubber manufacturing in Texas: 354 facilities and Census job counts.