Listed Plastics Companies in Wisconsin

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

Deluxe Plastics

📍 Clintonville, WI
Specialties: Injection MoldingCustom Plastic PartsPlastic Manufacturing

Deluxe Plastics stands as a leading full-service injection molding and engineering company based in Clintonville, Wisconsin, with over four decades of...

Dielectric Manufacturing

📍 Richfield, WI
Specialties: Contract ManufacturingThermosetsThermoplasticsMachining Services

Dielectric Manufacturing is a premier single-source contract manufacturer specializing in precision plastic and metal components, headquartered in Ric...

EVCO Plastics

📍 DeForest, WI
Specialties: Medical Device ManufacturingLarge Part MoldingPrecision Injection Molding

EVCO Plastics is a leading global manufacturer specializing in precision plastic injection molding with headquarters in DeForest, Wisconsin. Operating...

Kaysun Corporation

📍 Manitowoc, WI Est. 1947
Specialties: Injection MoldingEngineering SolutionsScientific MoldingOvermolding

Kaysun Corporation is a leading custom injection molding manufacturer based in Manitowoc, Wisconsin, specializing in complex engineering solutions for...

Midwest Precision Molding

📍 Lake Geneva, WI
Specialties: Precision Plastic PartsTight Tolerance MoldingGearsMedical Components

Midwest Precision Molding (MPM) stands as Wisconsin's premier custom plastic injection molding manufacturer, serving clients from their 60,000 square ...

New Berlin Plastics

📍 New Berlin, WI Est. 1975
Specialties: Custom Injection MoldingMedical Device ManufacturingAutomotive Components

New Berlin Plastics is a leading custom plastic injection molding manufacturer based in New Berlin, Wisconsin, specializing in precision molding solut...

Northland Plastics Inc

📍 Sheboygan, WI Est. 1953
Specialties: Plastic Profile ExtrusionThermoplastic ExtrusionsAutomotive Components

Northland Plastics Inc is a leading plastic profile extrusion manufacturer based in Sheboygan, Wisconsin, specializing in custom fabrication and engin...

Plastocon Incorporated

📍 Oconomowoc, WI Est. 1958
Specialties: Custom Injection MoldingFood Service PartsPackaging ComponentsAutomotive Parts

Plastocon Incorporated is a leading plastic injection molding company based in Oconomowoc, Wisconsin, delivering world-class molding solutions since i...

Specialties: Injection Molding

SSMP is a thermoplastic injection molder specializing in processing engineering and high performance materials in close tolerance applications. ISO 9...

Finding great providers for Plastics in Wisconsin

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?

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