Plastic Belt Manufacturers
| Cap Corp (Houston, TX) |
| Cardinal Rubber Co (Barberton, OH) |
| Carisle Guard House (Bowdon, GA) |
| Carlisle Power Transmission (Miamisburg, OH) |
| Carr Hose & Rubber Inc (Decatur, AL) |
| Chardon Rubber Co (Chardon, OH)
Contract Manufacturer |
| Cherokee Rubber Co (Flanders, NJ) |
| Chiorino Inc (Newark, DE) |
| Christen & Laudon Lp (Tucker, GA) |
| Cincast (Cincinnati, OH) |
| Cleating Resources (Portland, OR) |
| Coastcraft Rubber Co (Torrance, CA) |
| Coe & Brown Co (Hamden, CT) |
| Colmar Belting Co Inc (Boston, MA) |
| Colorite Plastics (Woodway, TX) |
| Columbia Rubber Mills (Clackamas, OR) |
| Continental Casing (Lafayette, LA) |
| Cool Flow Inc (Houston, TX) |
| Cooper-Standard Automotive (Mount Sterling, KY) |
| Corvette Rubber Co (Lake City, MI) |
| Cosmoflex Inc (Hannibal, MO) |
| Couse & Bolten Belting Hose (Newark, NJ) |
| Cullen Tubb Co (Dallas, TX) |
| Custom Conveyors & Fabrication (North Oxford, MA) |
| D C Herring Co Inc (Asbury Park, NJ) |
