Listed Plastics Companies in Washington

Results are ordered alphabetically. Inclusion is based on the matching process or industry recorded on each published profile.

ALTEK Inc

📍 Liberty Lake, WA Est. 1976
Specialties: Precision Injection MoldingAerospace ComponentsMedical Devices

ALTEK is a family-owned thermoplastic injection mold custom manufacturer operating from a 145,000 square foot state-of-the-art facility in Liberty Lak...

H&H Molds, Inc.

📍 Spokane Valley, WA Est. 1952
Specialties: Precision Injection MoldingMold Making

H&H Molds, Inc. stands as the Pacific Northwest region leading plastic injection molding company, strategically located in Spokane Valley, Washington....

Kaso Plastics

📍 Vancouver, WA Est. 1962
Specialties: Injection MoldingEngineering ServicesCustom Plastics

With over 60 years of experience, Kaso Plastics operates a 65,000 square foot ISO 9001:2015 certified facility serving the greater Northwest. They pro...

Molded Dimensions Group

📍 Fife, WA Est. 2003
Specialties: Custom Plastic PartsInsert MoldingOvermolding

Molded Dimensions Group operates a 42,000 square foot plastic injection molding facility in Fife, Washington, where all plastic injection, clean room,...

Piller Aimmco Plastics

📍 Washougal, WA
Specialties: Injection MoldingToolingManufacturing Services

Piller Aimmco operates a 55,000 square foot manufacturing facility with 45 molding presses and three shifts providing 24/7 production capability. They...

Plastics Northwest, Inc.

📍 Vancouver, WA Est. 1990
Specialties: Custom Plastic DesignInjection Molded Plastics

Plastics Northwest, Inc. operates as a premier custom injection molding manufacturer serving Vancouver, Washington and the broader Pacific Northwest r...

Rex Plastics

📍 Vancouver, WA Est. 1971
Specialties: Injection MoldingPlastic ComponentsCustom Plastics

Rex Plastics is a second-generation, family-owned full-service plastic injection molding contract manufacturer with over 50 years of experience. They ...

SEA-LECT Plastics

📍 Everett, WA Est. 1995
Specialties: Custom Injection MoldingPlastic Components

SEA-LECT Plastics is an ISO 9001:2015 certified plastic injection molding provider with over 36 years of experience operating from a 36,000 square foo...

Finding great providers for Plastics in Washington

What to Look For

  • Quality Certifications: Verify ISO 9001, AS9100, IATF 16949, and industry-specific certifications
  • Production Capabilities: Ensure they have the equipment and capacity for your volume requirements
  • Materials Expertise: Match their material processing capabilities to your specifications
  • Track Record: Review quality metrics, customer testimonials, and years of industry experience

Questions to Ask

  • What are your lead times and production capacity?
  • Do you provide quality control documentation and testing?
  • What tolerances and specifications can you meet?
  • Can you handle prototype and small batch production?
  • What are your minimum order quantities and pricing structures?

Need Help Finding Plastics in Washington?

Our directory makes it easy to research listed manufacturing companies.