Single-Source Plastic Contract Manufacturer

Wisconsin original equipment manufacturers (OEMs) and other suppliers to those companies rely on Dielectric Manufacturing for precision plastic fabrication of parts.

Wisconsin plastic fabricationSince 1955, we’ve grown from a small shop that solely focused on materials that offered dielectric insulation properties, to a major plastic and metal fabricator serving manufacturers and suppliers throughout Wisconsin and beyond.

There are numerous Wisconsin plastic fabrication companies, but we believe you will find that Dielectric Manufacturing offers the experience, expertise, design insights, attention to detail, reliability and breadth of services to position us a the preferred, single-source contract manufacturer for your needs.

We maintain an extensive inventory of a wide variety of thermoset plastic and thermoplastic materials, and can assist in determining the best plastic material for your parts – helping ensure the parts are designed and fabricated for your components of your end products.

Wisconsin Plastic Fabrication Plant

Dielectric Manufacturing’s recent construction of a new 100,000-square-foot headquarters and main manufacturing plant represents our commitment to providing the best production process for our customers’ parts. We regularly extend our capabilities by adding new equipment, or replacing existing mills, routers, lathes and other pieces with new equipment.

Our main plant is located just northwest of Milwaukee, with convenient access to U.S. Highway 41/45 – allowing us to easily serve customers throughout Wisconsin, the Midwest and beyond.

When you are looking for Wisconsin plastic fabrication, talk to the experienced experts at Dielectric Manufacturing at 800-367-9122.

We also machine metals at our Wisconsin and Lake Mills, Iowa, plants, and at our sister company Centerline Machine in central Wisconsin.

contact Dielectric Manufacturing


Need more information about plastic fabrication and assembly? Call us in metropolitan Milwaukee, Wisconsin, at 800-367-9122, or email