| 1 | Pipelife Jet Stream Inc.Pipelife Jet Stream Inc. | | USA |
| 2 | Alcore Fabricating Corp. | | USA |
| 3 | Plastic Depot | | USA |
| 4 | Peters Irrigation | | USA |
| 5 | National Well Supplies Company Inc. | | USA |
| 6 | Detroit Nipple Works Inc. | | USA |
| 7 | Juniata Concrete Co. | | USA |
| 8 | Superflex Ltd. | | USA |
| 9 | Simtech Process Systems | | USA |
| 10 | Southern Pipe Inc | | USA |
| 11 | Charlotte Pipe & Foundry Co. | | USA |
| 12 | Freelin-Wade Co. | | USA |
| 13 | Corr Tech Inc. | | USA |
| 14 | The Pipe Plug | | USA |
| 15 | Catalone Pipe & Supply | | USA |
| 16 | Industrial Plastic Products Inc. | | USA |
| 17 | ComPlex Plastics Inc. | | USA |
| 18 | Georg Fischer LLC | | USA |
| 19 | Composites USA | | USA |
| 20 | Thermoplastic Processes | | USA |
| 21 | Dakota Sourcing | | USA |
| 22 | Polar Industrial Plastics Ltd | | USA |
| 23 | Everett J. Prescott Inc. | | USA |
| 24 | Conductive Plastics Company | | USA |
| 25 | Corrosion Products Inc. | | USA |
| 26 | Wisconsin Tubing Mfg. Corp. | | USA |
| 27 | Pena-Plas Co. | | USA |
| 28 | Perma-Pipe Inc. | | USA |
| 29 | Flying 'W' Plastics Inc | | USA |
| 30 | Scandia Plastics Inc. | | USA |
| 31 | Mar-Cor Purification | | USA |
| 32 | Kroy Industries Inc. | | USA |
| 33 | Plastic Products Inc. | | USA |
| 34 | C & S Plastics | | USA |
| 35 | JM Eagle | | USA |
| 36 | FormUFit | | USA |
| 37 | C.I. Thornburg Co. Inc. | | USA |
| 38 | Glue Machinery Corp. | | USA |
| 39 | Sewickley Construction Products Inc. | | USA |
| 40 | Hanna Rubber Company | | USA |
| 41 | Argos Corp. | | USA |
| 42 | Miller Plastic Products Inc. | | USA |
| 43 | Diamond Plastics Corp. | | USA |
| 44 | Vinylplex Inc | | USA |
| 45 | Florida Strut LLC | | USA |
| 46 | Cooney Brothers Inc. | | USA |
| 47 | CDC Enterprises Inc. | | USA |
| 48 | Riverside Plastics Inc. | | USA |
| 49 | Mid-Supply Co. | | USA |
| 50 | Ultraflo Systems Inc | | USA |
| 51 | Dasco Supply | | USA |
| 52 | A & B Precast Mfg. Ltd. | | USA |
| 53 | Cantex Inc. | | USA |
| 54 | Carson's Custom Injection | | USA |
| 55 | PFS Group Inc. | | USA |
| 56 | Advanced Drainage Systems Inc. | | USA |
| 57 | Classic Essentials In Moulding Inc. | | USA |
| 58 | Plasco Welding & Fabrication Inc. | | USA |
| 59 | Vinyltech | | USA |
| 60 | Fratco / Francesville Drain Tile Corp. | | USA |
| 61 | Fernco Connectors Ltd. | | USA |
| 62 | Cresline Plastic Pipe Co. Inc. | | USA |
| 63 | Aquascape Inc. | | USA |
| 64 | Wilson Industries | | USA |
| 65 | Special Service Plastic Company Inc. | | USA |
| 66 | CertainTeed Corporation | | USA |
| 67 | Lotus Pipes & RockDrills Manufacturing Co. | | USA |
| 68 | POBCO Inc. | | USA |
| 69 | Hydroseal Canada | | USA |
| 70 | Pacific Plastics Inc. | | USA |
| 71 | Modern Precast Concrete | | USA |
| 72 | Industrias Vassalo Inc. | | USA |
| 73 | Spinnenweber Supply Co. | | USA |
| 74 | Reheau Industries Inc. | | USA |
| 75 | Les Industries Trovac Ltee | | USA |
| 76 | HI-TEC Plastics Inc. | | USA |
| 77 | Vulcan Plastics | | USA |
| 78 | Bristolpipe Corp. | | USA |
| 79 | Plastic Pipe & Supply Inc. | | USA |
| 80 | IPEX | | USA |
| 81 | Inline Plastics Inc. | | USA |
| 82 | Lincoln Plastics | | USA |
| 83 | NewAge Industries Inc. | | USA |
| 84 | Emco Industrial Plastics Inc. | | USA |
| 85 | Tamco Industries | | USA |
| 86 | Asahi/America Inc. | | USA |
| 87 | Seelye Acquisitions Inc. | | USA |
| 88 | Calpex Plastics | | USA |
| 89 | Contech Engineered Solutions LLC | | USA |
| 90 | Busada Manufacturing Corporation | | USA |
| 91 | New England Plastics Corp. | | USA |
| 92 | IPEX | | USA |
| 93 | Westlake Pipe & Fittings | | USA |
| 94 | Tie Max | | USA |
| 95 | Available Plastics Inc. | | USA |
| 96 | Circo Innovations | | USA |
| 97 | Atlantic Screen & Mfg. Inc. | | USA |
| 98 | Cal Pipe Industries | | USA |
| 99 | General Carbon Corp. | | USA |
| 100 | Grove Concrete & Supply Inc. | | USA |
| 101 | Urecon Systems Inc. | | USA |
| 102 | DC Duct & Sheet Metal | | USA |
| 103 | RJB Wholesale Inc | | USA |
| 104 | General Plastics Inc. | | USA |
