Plastic Injection Molding in Michigan

High-Tonnage Capability with a Materials-First Approach

Create stronger, more reliable parts with a Michigan-based molding partner built on five decades of plastics experience.

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Plastic Injection Molding, Here in Michigan

37 presses from 165–9,000 tons
Part sizes up to 200 lbs with complex geometries, depending on materials
Specialized processes: 2-shot, co-injection, insert molding, Influx™
A2LA-certified material formation lab
Expert team with PhDs in plastics
Sustainable production through recycled and bio-based plastics

How We Do It

Engineering & materials expertise: Our in-house lab tests and validates resins, including recycled and alternative fillers.
Design & tooling: We collaborate on part design and tooling plans for cost, strength, and manufacturability.
Production & assembly: With 37 presses, alongside our value-add assembly cells, we handle large runs with precision.
Circular economy focus: With recycled resins and other sustainable materials, we close the loop wherever possible.

Put Our Press Fleet to the Test

Ready to mold your next part? Let’s build something together.

Our Service Areas

Founded in Grand Rapids and still family-led today, we continue to partner with Michigan-based businesses to advance material innovation, sustainable production, and community-focused initiatives across the state.

Detroit
Grand Rapids
Warren
Sterling Heights
Lansing
Ann Arbor
Dearborn
Livonia
Kalamazoo
Battle Creek
Saginaw
Muskegon

Why Choose Cascade Engineering?

Wide-Ranging Manufacturing Capabilities

Our Michigan-based molding operation supports projects that require materials knowledge, large-tonnage production, and high-volume reliability.

Our Triple Bottom Line: People, Planet, Profit

We build long-term partnerships, invest in our community, and look for responsible ways to reduce material waste and support a circular economy.

Woman-Owned & Michigan-Based

Founded more than 50 years ago and now led by our founder’s daughter, we bring stability, stewardship, and a forward-thinking mindset to every program.

Industries We Serve in Michigan

Automotive

High-volume molding and assembly, built for automotive production cycles.

Infrastructure

Large-format, long-life components suited for demanding infrastructure environments.

Waste Management

Reliable products for residential, commercial, and medical waste.

Materials Handling

Load-bearing, cycle-tested parts designed for high repetition and durability.

Furniture

Structural and aesthetic components produced with consistent form, fit, and finish.

Get Started with a Quote

Let’s talk through your part, your production goals, and the materials that will make it possible.

Frequently Asked Questions (FAQ)

What press sizes do you run?

We operate 37 presses from 165 to 9,000 tons, giving us the flexibility to mold everything from mid-size components to large, heavy parts.

How large a part can you mold?

Depending on the resin and geometry, we can mold parts up to approximately 200 lbs.

Do you work with recycled materials?

Yes. Our materials team frequently incorporates recycled resin, bio-based plastics, and alternative fillers to support circular economy goals without sacrificing performance.

Can Cascade help with part design?

Absolutely. We collaborate on design, tooling, and materials selection to support manufacturability and long-term production efficiency.

Do you handle assembly?

Yes. We offer value-added assembly capabilities to streamline production and reduce total manufacturing steps.