At Principal Manufacturing Corporation, we support OEMs across a wide range of demanding industries, from high-volume automotive programs to specialized industrial applications. Our vertically integrated model combines precision fine blanking, custom metal parts stamping, plastic injection overmolding, and value-added secondary operations under one roof, giving manufacturers greater control over quality, cost, and lead time.

With decades of experience and industry-specific insight, our team understands the unique challenges each market presents. We work closely with your engineers to deliver components that meet tight tolerances, accelerate speed to market, and perform in the field.

We are IATF 16949:2016 and ISO 14001:2015 certified and maintain ITAR compliance to support projects with advanced quality and regulatory requirements.

Explore Our Industry Capabilities

Automotive

Built for high volumes and tight timelines, our automotive metal stamping and fine blanking services support critical applications like latching systems, seating components, brake systems, and closure assemblies.

Appliance

From structural brackets to soft-touch controls, we supply precision parts that meet both performance and aesthetic standards for today’s appliance OEMs.

HVAC

Our team produces complex stamped and machined components for heating, ventilation, and air conditioning systems, designed to withstand variable environments and continuous use.

Industrial

We support a wide range of industrial equipment manufacturers with engineered components built for durability, precision, and consistent performance in rugged operating conditions.

Hand Tools

Strength, safety, and repeatability matter in every hand tool application. We deliver stamped, machined, and overmolded components designed to meet demanding ergonomic and functional requirements.

Why Leading OEMs
Choose Principal

  • Custom metal stampings and fine blanking for high-precision components
  • CNC machining and automated assembly for integrated part production
  • Tooling design and build in-house for rapid iteration and cost control
  • Full-service custom metal stamping supplier with short-run and high-volume capability
  • Certified quality systems and advanced inspection technologies

Looking for a reliable custom metal stamping company for your next project?

Get in touch with our engineering team.