Top 6 Plastic Extrusion Manufacturers in Wisconsin 2026

Flair USA

Appleton, Wisconsin

Founded in 1992 in Appleton, Wisconsin, Flair Packaging (operating as Flair USA) is a privately held, family-owned manufacturer of flexible packaging. The company began as a market-driven operation focused on customer-focused innovation and has grown into a vertically integrated supplier with facilities across North America and Asia.

Allied Plastics LLC

Twin Lakes, Wisconsin

Allied Plastics LLC is based in Twin Lakes, Wisconsin. The company specializes in heavy-gauge vacuum thermoforming and custom sheet extrusion, operating 20-plus thermoforming machines capable of producing parts up to 8 feet by 14 feet by 60 inches in thicknesses from 0.060 to 0.55 inches.

Intek Plastics

Eau Claire, Wisconsin

Intek Plastics operates from Eau Claire, Wisconsin. The company provides full-spectrum plastic manufacturing, including precision injection molding, multi-material and co-extrusion, plastic prototyping via 3D printing and cast urethane molding, and in-house tooling.

Midwest Precision Molding

Lake Geneva, Wisconsin

The company has provided plastic injection molding services for over 40 years, with CEO Larry Austin the business since at least 2016 when he acquired Tri-Tec Corp. in nearby Darien and expanded the Plasti-Coil building.

Parker Plastics Inc, headquartered in Pleasant Prairie, Wisconsin, was founded in 1989. The company operates four manufacturing facilities in Pleasant Prairie, Wisconsin; Sand Springs, Oklahoma; Hagerstown, Maryland; and North Las Vegas, Nevada.

Spectrum Plastics Group, a DuPont business, operates its flagship packaging manufacturing facility in Pleasant Prairie, Wisconsin. The 161,000-square-foot site runs 35 extrusion lines around the clock and holds an ISO Class 7 cleanroom.