Custom Plastic Extruder & Manufacturer - Customer Plastic Materials | Preferred Plastics

Your Preferred Manufacturer of Custom Extruded Products

Preferred Plastics – an industry-leading custom plastic extruder – is ready to extrude a custom plastic product that meets your exact requirements and the highest quality standards. We have over 40 years of experience meeting the needs of our industrial and consumer clients providing custom plastic materials including extruded profiles, seals, gaskets, window components, weather strips, and machine guards.

We have extensive experience with many industries, including the automotive, construction, marine, processing, medical device, and household appliance industries. We work with a wide range of thermoplastic materials and custom compounds, and can manufacture parts with custom configurations, including metal on the inside, cloth on the outside, multi-colored profiles, dual durometers, and textured surfaces.

Our promise to you is to extrude your custom extruded part to meet your specifications and the highest quality standards – supported by amazing customer service from your first call through delivery. We are proud of our reputation for delivering on that promise, and the fact that most of our clients become repeat clients and partners. Call today to see how we can partner with you.


In 2019, Preferred Plastics was named by Plastics News as the Top Mover in its 2019 Ranking of Pipe, Profile, and Tubing Extruders.

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Customer Testimonials

"Our #1 vendor out of hundreds! Never any problems or complaints!!"

Customer in Commercial Construction

"You all go above and beyond with your service. We couldn't ask for a better partner! Thank you."

Customer in Recreational Vehicle Market

"Your service is exceptional. I can say the same for your people."

Customer in Transportation Market

"Best vendor I have. I look forward to working with your staff to improve our processes together. I am happy to have such a fantastic vendor/partner as PPI!!! Thank you."

Customer in Commercial Construction Market

"Our product looks great, and as always, is made by a fantastic partner, we’re thankful for your support and efforts.”

Customer in Residential Remodeling Market

"Top notch vendor to work with. Everyone is willing to jump in to help. Quick response time to questions or concerns. Very satisfied with our relationship.”

Customer in Vending Market

“You are my best and easiest vendor to work with. Tiffany makes everything easy for me. You are responsive and couldn’t be more helpful.”

Building and Construction Customer

“Everything is always great with Preferred.”

Rail Transit Customer

“I wish I had constructive criticism. There is nothing better you can do. You are top notch suppliers.”

Building and Construction Customer

“Awesome company to work with. Keep up the great work.”

Interior Office System Customer

“We never have issues with Preferred. John and Jason are awesome to work with.”

Musical Instrument Manufacturer

“It has been a great experience working with Preferred. Placing orders, packaging, shipping, invoicing all excellent. It was great to have you engineer our product, very easy to work with.”

Lumber Industry Customer

“What a wonderful company/team you have to work with. Truly appreciate and greatly value our partnership!”

Recreational Vehicle Customer

“You guys are outstanding partners, please keep up the great quality, communication, and overall service. Thank you!”

Building and Construction Customer

Plainwell, MI

800 E Bridge St
Plainwell, MI 49080

(269) 685-5873

Louisville, KY

8301 Cane Run Rd
Louisville, KY 40258

(502) 935-3070