Principal Manufacturing Corporation is a full-service manufacturer of engineered solutions for the automotive, industrial, and OEM sectors. From concept to completion, we deliver high-performance metal and plastic components with exacting precision, helping our customers accelerate timelines without compromising quality.
For more than 40 years, Principal has remained a family-owned and operated company with an uncommon level of accessibility and commitment. Our 2% turnover rate reflects a culture built on consistency, technical depth, and long-term collaboration. Operating from our 170,000 sq. ft. facility in Broadview, IL, we support clients across North America and around the globe.
Our in-house capabilities are designed to streamline production and reduce cost at every stage. With fine blanking up to 700 tons, metal stamping up to 700 tons, and plastic injection overmolding, we cover a wide range of production needs. Supporting services – including CNC machining, automated assembly, grinding, drilling, and more – enable tight control over quality and lead time.
IATF 16949:2016 and ISO 14001:2015
From tool design to final assembly
Short runs or high-volume scaling
State-of-the-art measurement equipment and process oversight
We’re ready to move when you are.
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