Seiler Plastics

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Seiler Plastics Seiler Plastics manufactures custom plastic extrusions such as plastic sheet, plastic profiles, & plastic tubing.

Additionally, we are now able to offer injection molding. Since 1971, Seiler Plastics Corporation has established itself as one of the leading plastic extrusion companies in the United States. We take great pride in our ability to innovate and continually meet our customer's design challenges while providing the highest quality products. Our seasoned engineering and manufacturing teams are experienced in the design and production of all types of plastic profiles, tubes, sheet products, and injection molding parts using a variety of materials.

Customized HDPE Sheets with textured finish. Call Seiler Plastics for custom sheets, tubes, profiles, and injection mol...
10/02/2026

Customized HDPE Sheets with textured finish. Call Seiler Plastics for custom sheets, tubes, profiles, and injection molded parts.

At , our technical team will help you choose the correct material for your custom plastic profile extrusion, U-channel,...
02/23/2026

At , our technical team will help you choose the correct material for your custom plastic profile extrusion, U-channel, and trim application. Our team has years of experience and will examine the application to determine the best and most cost-effective solution to meet your plastic profile needs.👍✅
Contact us!📲💻
📍 Located in St. Louis, MO
📞 Call us: 888-673-4537
🌐 Learn more: www.seilerpc.com

Since 1971, Seiler Plastics Corporation in 📍 has established itself as one of the leading custom plastic extrusion and ...
02/16/2026

Since 1971, Seiler Plastics Corporation in 📍 has established itself as one of the leading custom plastic extrusion and custom injection mold companies in the United States. 🇺🇸
Contact us today! 💻📲
📞 Call us: 888-673-4537
🌐 Learn more: www.seilerpc.com

As a leading manufacturer of custom plastic extrusions for more than ✨50 years✨, Seiler Plastics Corporation is able to ...
02/09/2026

As a leading manufacturer of custom plastic extrusions for more than ✨50 years✨, Seiler Plastics Corporation is able to deliver superior quality parts within the required time frames🕛
Contact us today! ✉️📲

Give us a call at 📞(314) 815-3030, or you can check us out online at 🌐www.seilerpc.com

WE ARE THE BEST!✨ Call Seiler Plastics today to get the materials you need!Give us a call at 📞(314) 815-3030, or you can...
02/02/2026

WE ARE THE BEST!✨ Call Seiler Plastics today to get the materials you need!

Give us a call at 📞(314) 815-3030, or you can check us out online at 🌐www.seilerpc.com
You'll find us located in📍 St. Louis, MO Check us out today!

Plastic Profile Extrusion Materials! Call today and Seiler Plastics will help you get the correct materials needed! ☎️👍✅...
01/26/2026

Plastic Profile Extrusion Materials! Call today and Seiler Plastics will help you get the correct materials needed! ☎️👍✅
Give us a call at 📞(314) 815-3030, or you can check us out online at 🌐www.seilerpc.com

Don't just take our word for it, see what our customers have to say!🗣💬✅Give us a call at 📞(314) 815-3030, or you can che...
01/19/2026

Don't just take our word for it, see what our customers have to say!🗣💬✅

Give us a call at 📞(314) 815-3030, or you can check us out online at 🌐www.seilerpc.com

Do you need some plastic tubing❓🏢 Seiler Plastics can make it happen!Give us a call at (📞314) 815-3030, or you can chec...
01/12/2026

Do you need some plastic tubing❓🏢 Seiler Plastics can make it happen!
Give us a call at (📞314) 815-3030, or you can check us out online at 🌐www.seilerpc.com

🎉✨ From all of us at Seiler Plastics, we want to wish you a very Happy New Year! 🥳💙 Thank you for trusting us with your ...
01/01/2026

🎉✨ From all of us at Seiler Plastics, we want to wish you a very Happy New Year! 🥳💙 Thank you for trusting us with your custom plastic manufacturing needs—we’re proud to serve St. Louis and the surrounding areas with quality, innovation, and care. Here’s to new opportunities and continued success in 2026! 🙌

📞 314-815-3030 / 888-673-4537
🌐 www.seilerpc.com

Happy Holidays from all of us at Seiler Plastics! 🎄✨ We're grateful for the opportunity to serve our amazing customers a...
12/25/2025

Happy Holidays from all of us at Seiler Plastics! 🎄✨ We're grateful for the opportunity to serve our amazing customers and community throughout the year. Wishing you a season full of joy, warmth, and good cheer! ❤️

We love ❤️ our 📍STL family!!!
📞 Give us a call at 888-673-4537
🌐 www.seilerpc.com

🎁🌟🎅

Address

St. Louis, MO

Opening Hours

Monday 8:30am - 5pm
Tuesday 8:30am - 5pm
Wednesday 8:30am - 5pm
Thursday 8:30am - 5pm
Friday 8:30am - 3pm

Telephone

+13148153030

Website

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