Listed Plastics Companies in New Hampshire

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

Advantage Plastic Products

📍 Concord, NH Est. 1997
Specialties: Custom Injection MoldingElectronic EnclosuresIndustrial ComponentsLab Ware

Precision plastic injection molding company serving industrial, electronic, laboratory, environmental, and consumer markets. ISO 9001 certified with 2...

Granite State Plastics

📍 Hudson, NH Est. 1969
Specialties: Precision Injection MoldingMulti-Cavity MoldsPackaging ServicesAssembly Operations

Full-service precision plastic injection molding company with over 50 years of experience. Operates from 50,000 sq ft facility with 31 machines from 4...

Poly-Ject Inc

📍 Amherst, NH Est. 1982
Specialties: Custom Injection MoldingRapid PrototypingMold DesignMold Manufacturing

Full-service design, rapid prototyping, mold making, and plastic injection molding company established in 1982. Manufacturing facility utilizes state-...

Specialties: Large Part MoldingComplex Molded ProductsStructural FoamGas Assist Molding

ISO 9001:2015 registered facility specializing in medium to large, complex injection molded products. Features 220-1,574 ton injection molding presses...

Finding great providers for Plastics in New Hampshire

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 New Hampshire?

Our directory makes it easy to research listed manufacturing companies.