40+ years of Plastics Manufacturing

Thermoforming & Vacuum Forming Plastics Company

Specializing in the design and manufacturing of custom thermoformed plastic products using both vacuum forming and pressure forming. Serving Oregon, Washington and beyond.

Thermoforming Plastics Manufacturing Company

Since 1982, Willamette Plastics has been designing and producing high quality, custom vacuum formed plastics and pressure formed plastics for a variety of industries.

Willamette Plastics is open for walk-in customers again, please see our Remnant List.
Remnant Sales open M-F 8:00am – 2:00pm (PST)

Experienced · Fast & Flexible · Exceptional Quality


Fast & Flexible

Exceptional Quality

Vacuum Formed Plastics »

A fast and cost-effective way to produce plastic parts and offers great value for a wide range of products.

Pressure Formed Plastics »

Pressure forming is a thermoforming technique for parts requiring higher precision and detail, with more control.

Rapid Prototyping »

Willamette Plastics can make an MDF or tooling board tool and form first articles in only a few days.

Design Services »

Willamette Plastics can help design parts for better manufacturability and cost. We use Solidworks and Surfcam.

Our Experienced Team is Committed to Exceptional Quality & Standards