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Plastic Contract Manufacturing for Medical Devices
3D CAD for Designing Rotomolded Parts
Rotomolded Parts: Decoration and Finishing
Molded-In Inserts and Rotational Molding
Rotational Molding Design: Blind Holes, Through Holes, and Undercut Holes
Corner Radiuses for Rotational Molding
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About Us

Gregstrom Corporation is a custom rotational molder and heavy gauge thermoformer that adds value to your projects.

For nearly 70 years, Gregstrom Corporation has been building lasting relationships with partners in industries like yours.

As a third-generation, family-owned business, our American-owned company stakes its reputation on a commitment to quality, customer service, and continuous improvement.

Featured Projects

Heineken Draught Keg Cooler

August 10th, 2015

Refrigerated POP displays like this Heineken draught keg cooler need to be functional and attractive[...]

Plastic Chemical Feeder | Rotational Molding Services

August 10th, 2015

Chemical feeders prepare and automatically dispense the chlorine that’s used to disinfect municipal [...]

Medical Laser Assembly | Pressure Forming Services

August 9th, 2015

Medical laser assemblies need to meet multiple requirements. For this featured project, Gregstrom ap[...]

Portfolio

Plastic Chemical Feeder | Rotational Molding Services

August 10th, 2015

Chemical feeders prepare and automatically dispense the chlorine that’s used to disinfect municipal [...]

Medical Laser Assembly | Pressure Forming Services

August 9th, 2015

Medical laser assemblies need to meet multiple requirements. For this featured project, Gregstrom ap[...]

3D Printer Housing | Rotational Molding Services

August 8th, 2015

Gregstrom is a custom rotomolder with complete assembly and testing services. Our portfolio of proje[...]

Blog

Plastic Contract Manufacturing for Medical Devices

March 28th, 2018

Plastic contract manufacturing for medical devices isn’t limited to injection molding. For parts pro[...]

3D CAD for Designing Rotomolded Parts

February 28th, 2018

3D CAD has revolutionized how rotomolded parts are designed and made. 2D CAD was an improvement over[...]

Rotomolded Parts: Decoration and Finishing

January 22nd, 2018

Rotomolded parts for industrial applications are often ready-to-use after they’re removed from the m[...]

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