Plastics Manufacturing Companies in Wisconsin

Wisconsin has approximately 8,500 manufacturing establishments and 470,000 manufacturing employees. Wisconsin is a manufacturing powerhouse, with Milwaukee as a major industrial center, extensive metal fabrication and food processing, and iconic manufacturers like Harley-Davidson and Oshkosh Corporation.

Wisconsin is one of the leading states for plastics manufacturing. Plastics manufacturing encompasses companies that convert plastic resins into finished products through injection molding, extrusion, blow molding, thermoforming, and rotational molding processes. The US plastics industry includes over 15,000 manufacturing establishments producing everything from automotive parts and medical devices to consumer products and packaging.

Custom Injection Molders: Companies operating injection molding presses from 20 to 6,000+ tons for automotive, medical, consumer, and industrial parts.

Extrusion Operations: Manufacturers producing plastic pipe, tubing, profiles, film, and sheet through continuous extrusion processes.

Blow Molders: Companies producing hollow plastic containers, bottles, tanks, and ducts through blow molding processes.

Thermoformers: Manufacturers forming plastic sheet into trays, clamshells, panels, and enclosures using vacuum and pressure forming.

Compounders & Recyclers: Companies blending resin formulations and processing recycled plastics into pellets for molding operations.

Major industrial centers in Wisconsin include Milwaukee, Madison, Green Bay, Racine, Oshkosh, and Appleton. These cities have concentrations of manufacturers across sectors including metal fabrication, food processing manufacturing, and agricultural equipment manufacturing.