plastic materials
metal materials
Made in the USA
quality control in plastic parts fabrication

Quality Control

metal material properties

Material Properties

plastic fabricating equipment

Our Equipment

collaboration - contract manufacturing

Design Collaboration

vision, mission, values

The Dielectric Manufacturing Knowledge Base Knowledge Base

plastic, metal knowledge base

Learn about material properties of plastics and metals, get answers to frequently asked questions and read case studies in the Dielectric Manufacturing Knowledge Base. Whatever your custom component needs are, the experts at Dielectric Manufacturing near Milwaukee, Wisconsin, share their extensive materials knowledge to ensure your plastic parts and non-ferrous metal parts are optimally designed for manufacturability. Learn about thermoplastics, thermoset plastics, non-ferrous metals and ferrous metals.

See the Dielectric Manufacturing Knowledge Base.

We’re Hiring – Join Our Winning Team

Looking for a great place to work where you can build a future at a growth-oriented company? We’re that place. Click below to learn more about working for Dielectric Manufacturing – a company large enough to offer opportunity for advancement but small enough that your contributions will make a difference. We have contract manufacturing facilities just northwest of Milwaukee, Wisconsin; in Waupaca, Wisconsin; and in Lake Mills, Iowa.

One-Stop Shop – for 55 Years!

Wisconsin Plastic and Metal Component Contract Manufacturing

Dielectric Manufacturing is a single-source, Wisconsin contract manufacturer of custom, precision plastic and metal parts and assemblies fabricated from thermoplastics, thermosets, and non-ferrous metals. Based on 55 years of experience in fabrication and machining of precision components, our unparalleled materials knowledge lets us be the most reliable partner and offer the best solutions for manufacturers, including Fortune 500 companies. We have contract manufacturing operations in metro Milwaukee, Wisconsin; central Wisconsin (for ferrous metals); and northeastern Iowa. For Wisconsin plastic fabrication or non-ferrous metal machining, choose Dielectric Manufacturing.


design collaboration

We collaborate with customers to ensure parts are optimally designed for manufacturability.


plastic and metal parts machining

Whether it’s plastic or metal, we have the expertise and equipment to meet your needs for precision components.


plastic component assembly

We not only machine and fabricate metal and plastic parts, we also offer expert assembly of components.


inventory management

We’ll tailor an inventory program to ensure you’re parts are produced cost-effectively, and are always available.