| | Flowserve Corp (Burr Ridge, IL) Mechanical seals, bellows & heat exchangers | |
| | Freudenberg-NOK (Shelbyville, IN) Rubber manufacturer; boots & bellows | |
| | Gardan Manufacturing Co (New Castle, PA) Industrial bellows; protective & canvas covers & neoprene boots | |
| | Meriam Instrument (Cleveland, OH) Manometers, flow meters, tank gauges, differential bellows, indicators, switches & measurement devices | |
| | PerkinElmer Belfab Products (Daytona Beach, FL) Precision seals & bellows | |
| | Protect-Hema Inc (Rockford, IL) Machine covers & bellows | |
| | Waukesha Rubber Co Inc (Waukesha, WI) Custom molded mechanical rubber goods: rubber to metal bonding, bumpers, boots, bellows, diaphragms, gaskets, grommets, molded rubber, rubber specialties, vibration dampers, bonded rubber mounts | |
| | Beldam Crossley Ltd. (Bolton, United Kingdom) | |
| | Dandong Colossus Group Co.,Ltd (Shanghai, China) | |
| | V.K. Rubplast (I) Pvt. Ltd. (Gurgaon(Haryana), India) | |
| | Bellows and Covers (Mumbai, India) | |
| | DingTen Industrial Inc., (San Chang, Taiwan) | |
| | Seymour-Sheridan, Incorporated (Monroe, CT) | |
| | Mini-Flex Corp. (Ventura, CA) | |
| | Silver-Oflux (Pune-12, India) | |
