Plastic Tube Manufacturers
| Coda Composites Co (Winona, MN) |
| Columbia Industrial Products (Eugene, OR) |
| Dayton Technologies (Monroe, OH) |
| Filtrona Extrusion (Des Plaines, IL) |
| Filtrona Extrusion-Columbia (West Columbia, SC) |
| Harrington Industrial Plastics (Chino, CA)
Manufacturer |
| Hi-Tech Profiles (Pawcatuck, CT) |
| Holm Industries Warehouse (Scottsburg, IN) |
| Industrial Arts Supply Mail Co (Minneapolis, MN) |
| Jsa & Assoc (Pomona, CA) |
| K Jabat Inc (Dunellen, NJ) |
| Kelcourt Plastics Inc (Nogales, AZ) |
| Kentak Products Co (East Liverpool, OH) |
| Labcor Products Inc (Frederick, MD) |
| Linmedco Inc (Bernardsville, NJ) |
| Mercury Plastics Inc (Bowling Green, KY) |
| Molded Plastic Industries Inc (Holt, MI) |
| Nytef Plastics Ltd (Whittier, CA) |
| Omnichem Llc (Detroit, MI) |
| Plastics Development (Hendersonville, TN) |
| Plasti-Fab Co (Ferndale, MI) |
| Pps Plastic Pipe & Supply (San Clemente, CA) |
| Precsion Container (Salem, IL) |
| Resdel Corp (Rio Grande, NJ) |
| Semco Plastic Co Inc (Saint Louis, MO) |
