| | Lutz Sales Co Inc (Hanover Park, IL) Distributes industrial products; company is a wholesale distributor of O-rings & seals | |
| | McMasters Koss Co (Royal Oak, MI) Distributor of mechanical seals; o-rings | |
| | Sealing Solutions (Colmar, PA) Wholesale rubber seals, O-rings & industrial supplies | |
| | Sealmor Industries (Factoryville, PA) Teflon encapsulated O-rings | |
| | Tech-Syn Corp (Bloomingdale, IL) Distributes industrial equipment; company is a wholesale distributor of metal & rubber hosing, hydraulic seals & o-rings | |
| | Winco, J W Inc (New Berlin, WI) Metal & plastic hand adjusting, operating, clamping, fastening, fixturing, O-rings, seals & components; prototypes & custom mechanical parts for industrial machinery & equipment | |
| | Mech Spares Ltd. (Mumbai, India) | |
| | Hi-Tech Seals & Polymers Ltd (Sunderland, United Kingdom) | |
| | Flex Incorporated (Mentor, OH) | |
| | Sealing Specialties Inc. (Souderton, PA) | |
| | Tonywell Canada Inc. (Toronto, ON) | |
| | All Seals, Inc. (Santa Ana, CA) | |
