| 1 | IPEX | | USA |
| 2 | Emco Industrial Plastics Inc. | | USA |
| 3 | Asahi/America Inc. | | USA |
| 4 | Seelye Acquisitions Inc. | | USA |
| 5 | IPEX | | USA |
| 6 | Polar Industrial Plastics Ltd | | USA |
| 7 | DBJ Corporation | | USA |
| 8 | ComPlex Plastics Inc. | | USA |
| 9 | Corr Tech Inc. | | USA |
| 10 | Georg Fischer LLC | | USA |
| 11 | Plastic Products Inc. | | USA |
| 12 | Cooney Brothers Inc. | | USA |
| 13 | Charlotte Pipe & Foundry Co. | | USA |
| 14 | Miller Plastic Products Inc. | | USA |
| 15 | Detroit Nipple Works Inc. | | USA |
| 16 | PFS Group Inc. | | USA |
| 17 | Pena-Plas Co. | | USA |
| 18 | Corrosion Products Inc. | | USA |
| 19 | CRP Products & MFG LTD | | USA |
| 20 | Mid-Supply Co. | | USA |
| 21 | Plasco Welding & Fabrication Inc. | | USA |
| 22 | Bow Plumbing Group | | USA |
| 23 | Plastic Depot | | USA |
| 24 | Plastic Pipe & Supply Inc. | | USA |
