Connecting You to Precision Manufacturing Since 1972

Custom Plastic Manufacturing

Thermoforming, Injection Molding, and Sheet Metal Fabrication—Expertly Sourced to Bring Your Parts to Life

About Mike Harms and Associates

Founded in 1972, MHA is a family-owned manufacturing company with over 50 years of experience connecting clients to trusted suppliers for plastic and metal parts. We specialize in sourcing high-quality components through our core partners

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Our Manufacturing Capabilities

Thermoforming

Thermoforming delivers durable, lightweight plastic parts with speed and precision. From simple trays to complex enclosures, it’s a cost-effective solution for high-quality, custom components.

Pressure Forming & Twin Sheet

Pressure forming delivers sharp detail and a high-end finish for plastic parts that need to look as good as they perform. Twin sheet thermoforming creates strong, hollow plastic parts by fusing two sheets into one seamless structure.

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Injection Molding

Injection molding delivers high-volume plastic parts with exceptional precision and repeatability. It’s the go-to solution for complex, detailed components that demand consistency, speed, and strength.

Precision Metal Fabrication

Precision metal fabrication delivers high-accuracy components for industries like aerospace, medical, electronics, and industrial equipment—where strength, reliability, and exact tolerances are essential.

Define Your Project

We begin by learning about your part requirements—materials, tolerances, volume, and end-use—so we can recommend the best manufacturing approach.

Source & Prototype

We connect you with the right supplier from our trusted network and coordinate prototyping to ensure your design is ready for production.

Produce & Deliver

We stay involved throughout the production process to ensure quality and consistency, and we remain your long-term partner for future needs and ongoing support.