| 1 | Lifetime Tool & Building Products | | USA |
| 2 | Asc Industries Inc. | | USA |
| 3 | S & S Truck Parts Inc. | | USA |
| 4 | Shafer’s Classic Reproductions Inc. | | USA |
| 5 | PPE Engineering LLC | | USA |
| 6 | Stanley Muffler Inc. | | USA |
| 7 | Donaldson Company Inc. | | USA |
| 8 | Tubular Industries | | USA |
| 9 | Piping Technology & Products Inc. | | USA |
| 10 | Ajax Metal Products Inc. | | USA |
| 11 | Faurecia Exhaust Systems Inc. | | USA |
| 12 | Fatsco | | USA |
| 13 | Hedman South JR Mfg. | | USA |
| 14 | Maxx Fab | | USA |
| 15 | Century Industrial Supply Inc. | | USA |
| 16 | Star Tube Bending | | USA |
| 17 | Cenflex | | USA |
| 18 | Woolf Aircraft Products Inc. | | USA |
| 19 | Asahi/America Inc. | | USA |
| 20 | Valmont Tubing | | USA |
| 21 | Nordfab Ducting | | USA |
| 22 | Marstan Inc. | | USA |
| 23 | Diversified Air Systems | | USA |
| 24 | Schebler Chimney Systems | | USA |
| 25 | Tmax | | USA |
| 26 | Tenneco Inc. | | USA |
| 27 | Walsh & Albert Co. | | USA |
| 28 | Arntzen Corp. | | USA |
| 29 | DC Duct & Sheet Metal | | USA |
| 30 | J & D Tube Benders Inc. | | USA |
| 31 | Wesdon Industries | | USA |
| 32 | The Schebler Co. | | USA |
| 33 | MAK Enterprises Inc. | | USA |
| 34 | Precision Hose & Expansion Joints | | USA |
| 35 | Palladino Metal Fabrication Inc. | | USA |
| 36 | Fab-Tech Inc. | | USA |
| 37 | AP Exhaust Technologies Inc. | | USA |
| 38 | Racing Industries Inc. | | USA |
| 39 | Ultraflo Systems Inc | | USA |
| 40 | Johnson Tube Co. A Div. Of Johnson International Industries Inc. | | USA |
| 41 | Ultrafit Manufacturing Inc. | | USA |