US Factory Map

Plastic injection molding companies in Washington

Washington has 59 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 Fife, Tacoma and Washougal. That is 2% of the 3,730 such facilities nationwide, and Washington ranks #21 of 49 states.

Product
Plastic injection molding companies
Facilities
59
State rank
#21
NAICS
326121, 326122, 326199
Revised
November 1, 2026

Facilities in Washington

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
Aquatic CoYelmAll Other Plastics Product Manufacturing
Attbar IncRidgefieldUnlaminated Plastics Profile Shape Manufacturing
Fiber Tech IndustriesSpokaneAll Other Plastics Product Manufacturing
Mcclarin Plastics, LLCWapatoAll Other Plastics Product Manufacturing
Ershigs, Inc.BellinghamPlastics Pipe and Pipe Fitting Manufacturing
Excelsior Packaging Group IncVancouverAll Other Plastics Product Manufacturing
Applied Finishing IncMukilteoAll Other Plastics Product Manufacturing
Composite Aquatic InnovationsArlingtonAll Other Plastics Product Manufacturing
Jensen PrecastSheltonAll Other Plastics Product Manufacturing
Mikron IndustriesKentUnlaminated Plastics Profile Shape Manufacturing
Milgard Manufacturing Inc FiberglassFifeAll Other Plastics Product Manufacturing
Advanced Drainage SystemsTumwaterPlastics Pipe and Pipe Fitting Manufacturing
Associated Materials LLCFifeAll Other Plastics Product Manufacturing
Chinook Industrial ParkUnion GapAll Other Plastics Product Manufacturing
Global Metals And ErectorsTacomaAll Other Plastics Product Manufacturing
Melcher Mfg Co IncSpokaneAll Other Plastics Product Manufacturing
Milgard Manufacturing Inc Tacoma PultrusionTacomaAll Other Plastics Product Manufacturing
Milgard Mfg Vinyl Extrusion M And MFifeUnlaminated Plastics Profile Shape Manufacturing
Cresline Northwest LLCChehalisPlastics Pipe and Pipe Fitting Manufacturing
Hayes Cabinets IncWoodlandAll Other Plastics Product Manufacturing
Jm EagleSunnysidePlastics Pipe and Pipe Fitting Manufacturing
Kwik Lok CorpYakimaAll Other Plastics Product Manufacturing
Mcconkey And Co IncSumnerAll Other Plastics Product Manufacturing
Mohawk Northern Plastics IncAuburnAll Other Plastics Product Manufacturing
Piller Aimmco Grant StWashougalAll Other Plastics Product Manufacturing
Bovar PlasticRidgefieldAll Other Plastics Product Manufacturing
Customer Support Svcs And PlasticsEverettAll Other Plastics Product Manufacturing
Ferguson Industrial PlasticsWashougalPlastics Pipe and Pipe Fitting Manufacturing
Filtrona ExtrusionTacomaUnlaminated Plastics Profile Shape Manufacturing
Macro Plastics WashingtonUnion GapAll Other Plastics Product Manufacturing
Mw Manufacturers Inc. D/B/A Ply Gem Pacific WindowsAuburnAll Other Plastics Product Manufacturing
NorwescoWashougalAll Other Plastics Product Manufacturing
Specified Fittings IncBellinghamPlastics Pipe and Pipe Fitting Manufacturing
Western ContainerFifeAll Other Plastics Product Manufacturing
A & B Plastics Inc YakimaYakimaUnlaminated Plastics Profile Shape Manufacturing
Advanced Drainage Systems IncWashougalPlastics Pipe and Pipe Fitting Manufacturing
Aim Aerospace 1517 BuildingAuburnAll Other Plastics Product Manufacturing
Alside Windows NwBothellAll Other Plastics Product Manufacturing
Attbar Inc VancouverVancouverAll Other Plastics Product Manufacturing
ChemgrateWoodinvilleAll Other Plastics Product 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

  • Fife: 5
  • Tacoma: 5
  • Washougal: 5
  • Spokane: 4
  • Bellingham: 3
  • Vancouver: 3

By product code

  • All Other Plastics Product Manufacturing (NAICS 326199): 28 of those shown
  • Plastics Pipe and Pipe Fitting Manufacturing (NAICS 326122): 7 of those shown
  • Unlaminated Plastics Profile Shape Manufacturing (NAICS 326121): 5 of those shown

All plastics and rubber manufacturing in Washington: 86 facilities and Census job counts.