| 1 | Tube Methods Inc. | | USA |
| 2 | Advanced Centrifugals Ltd. | | USA |
| 3 | ICSE | | USA |
| 4 | Conley Corp. | | USA |
| 5 | KO Supply LLC | | USA |
| 6 | Magnetizer Industrial Technologies Inc | | USA |
| 7 | Environ Products Inc. | | USA |
| 8 | Metal Works Corp. | | USA |
| 9 | Precision Welding & Fabrication | | USA |
| 10 | MetalTek International | | USA |
| 11 | PEP A Ryan Herco Flow Solutions Company | | USA |
| 12 | Global Metals | | USA |
| 13 | Victrex USA Inc. | | USA |
| 14 | Southeast Texas Industries Inc. | | USA |
| 15 | Future Pipe Industries | | USA |
| 16 | MRC Global | | USA |
| 17 | Island Fitting | | USA |
| 18 | Perma-Pipe Inc. | | USA |
| 19 | Basic Equipment | | USA |
| 20 | Federal Steel Supply Inc. | | USA |
| 21 | P.A. Inc. | | USA |
| 22 | Farmer’s Marine Copper Works Inc. | | USA |
| 23 | United Pipe Nipple Company | | USA |
| 24 | Industrial Supply & Rental | | USA |
| 25 | Starcon International Inc. | | USA |
| 26 | Piping Systems Inc. | | USA |
| 27 | Mannesmann DMV Stainless | | USA |
| 28 | Cust-O-Bend | | USA |
| 29 | Mammoth Carbon Products | | USA |
| 30 | U.S. Industrial Piping Inc. | | USA |
| 31 | GreenMount Corp. | | USA |
| 32 | Dritherm International Inc. | | USA |
