| | R & B Wagner Inc. (Milwaukee, WI) | |
| | Redman Mfg. Co. (Ferndale, MI) | |
| | Rockwell Industries International Corp. (Manhasset, NY) Manufacturer | |
| | Salem Steel (Passaic, NJ) Distributor | |
| | Sharpe Products (New Berlin, WI) | |
| | St. Louis Pipe & Supply (Chesterfield, MO) Distributor | |
| | Stainless & Alloy Piping, Inc. (Marietta, GA) Manufacturer | |
| | Stainless Specialties, Inc. (Houston, TX) Distributor | |
| | Superior Tube Company, Inc. (Collegeville, PA) Manufacturer | |
| | Suraj Stainless Ltd. (Ahmedabad, Gujarat, India) Manufacturer, Distributor | |
| | Tube Methods Inc. (Bridgeport, PA) Manufacturer | |
| | Wagner Companies, The (Milwaukee, WI) | |
| | Apurvi Industries (Ahmedabad, India) Manufacturer | |
| | CHANDAN STEEL INDUSTRIES (MUMBAI, IN) Manufacturer | |
| | ABT Inc (Pittsburgh, PA) Manufacturer | |
