Plastics producer with operations in custom sheet and rollstock, color and specialty compounds, and molded and profile products. Features products, investor relations, news, and employment. ( NYSE: SEH )Spartech Corporation | Plastic Sheet, Compounds, & Engineered Products Spartech Corporation - Innovative Solutions in Plastic Search : About Spartech Divisions Products Spartech Green News Investor Relations Contact Us Custom Sheet & Rollstock Spartech Plastics Spartech Packaging Spartech Polycast Colorants & Compounds Spartech Polycom Spartech PEP Calendered & Converted Products Spartech CMD E

Seiler Plastics | Plastic Extrusions, Tubing, & Plastic Sheet Seiler Plastics Corporation About Us Contact Us Design Tips News Plastic Profiles Plastic Tubes Plastic Sheet Thermoforming Extruded plastic profiles ranging from simple U channels to precision, custom engineered extrusions are the backbone of Seiler Plastics. Extruded plastic tubes are one of our specialties at Seiler Plastics. SPC can extrude tubes from a wide range of plastic materials into many sizes. SPC possesses the ability to both extrude plastic sheet and convert it into finished products by die cutting, slitting, and rolli