Principal Manufacturing Corporation is a certified engineering solutions provider for automotive, industrial, and OEM sectors, offering in-house tooling and services that reduce cost and accelerate time-to-market. The company specializes in fineblanking up to 700 tons, conventional stamping up to 400 tons, and plastic injection molding, complemented by secondary operations such as automated assembly, CNC machining, deburring, drilling, and more, supported by decades of operation since 1996 from Broadview, IL.