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  • We Extruded Plastic Tubing
  • We Manufacture Extruded Plastic Profiles
  • We Manufacture Plastic Sheet
  • We Manufacture Polyethylene Sheet
  • We Manufacture Custom Plastic Thermoforming

Custom Plastic Solutions For Your Unique Project

For over 40 years, Seiler Plastics Corporation has specialized in precision custom plastic extrusions. We have the experience and expertise to satisfy your most challenging design requirements while delivering quality parts in the time frame you require.

To meet the diverse needs of our customers, we utilize our in-house experts when producing custom plastic profiles, plastic tubing, plastic sheet, and thermoformed parts in a variety of materials.

Our Office

Missouri Office Headquarters
St. Louis, MO

9750 Reavis Park Drive
St. Louis, MO 63123

Phone: 314.815.3030
Fax: 314.815.3025
Toll Free: 888.673.4537

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Extruded plastic profiles

Extruded plastic profiles

Extruded plastic profiles ranging from simple U channels to precision, custom engineered extrusions are the backbone of Seiler Plastics.

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Extruded Plastic Tubes

Extruded Plastic Tubes

Extruded plastic tubes are one of our specialties. Seiler Plastics can extrude tubes from a wide range of plastic materials into many sizes.

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Plastic Sheet

Plastic
Sheet

Seiler Plastics possesses the ability to both extrude plastic sheet and convert it into finished products by die cutting, slitting, and rolling the sheet.

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Thermoforming

Thermoforming

 

Seiler Plastics utilizes both rotary and single station thermoforming machines to ensure you are provided a quality part.

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