| 1 | TAD Pipe Canada Ltd. | | USA |
| 2 | Danplas Pipe Systems | | USA |
| 3 | Columbia/MBF | | USA |
| 4 | Marcegaglia Spa | | USA |
| 5 | JI Plastics Co. Inc. | | USA |
| 6 | Rustbusters | | USA |
| 7 | ABB C-E Services Inc. | | USA |
| 8 | Centennial Concrete Pipe | | USA |
| 9 | Southeastern Fiber Glass Products | | USA |
| 10 | Kelolite | | USA |
| 11 | Ameron International | | USA |
| 12 | Canadian Tube Tooling | | USA |
| 13 | Platinum Grover Int. Inc. | | USA |
| 14 | Perma-Pipe/Ricwil | | USA |
| 15 | Walbert Plastics Inc. | | USA |
| 16 | Bee Fiberglass Inc. | | USA |
| 17 | Fiberglass Fabricators Inc. | | USA |
| 18 | Pacific Poly-Pipe Products | | USA |
| 19 | Polymer Pipe Technology | | USA |
| 20 | John Gandy Corporation (Jgc) | | USA |
| 21 | Triple-S-Tubing Supply Ltd | | USA |
| 22 | Industrial Pipe & Plastics Inc. | | USA |
| 23 | Gulf Coast Equipment | | USA |
| 24 | WS Hampshire Inc. | | USA |
| 25 | Precisioneering Ltd. | | USA |
| 26 | Rudy and Associates | | USA |
| 27 | J. McGinley Co. | | USA |
| 28 | RapidAir Compressed Air Products | | USA |
| 29 | Mega Mex | | USA |
| 30 | New England Plastics Corp. | | USA |
| 31 | Micromold Products Inc. | | USA |
| 32 | The Briggs Company | | USA |
| 33 | Saint-Gobain Life Sciences | | USA |
| 34 | Westlake Pipe & Fittings | | USA |
| 35 | IPEX | | USA |
| 36 | Cash Acme | | USA |
| 37 | Global Metals | | USA |
| 38 | Mueller Streamline Co. | | USA |
| 39 | Festo Corp. | | USA |
| 40 | AGRU America Inc. | | USA |
| 41 | Future Pipe Industries | | USA |
| 42 | Victrex USA Inc. | | USA |
| 43 | Ceramic Technology Inc. | | USA |
| 44 | Energy Steel & Supply Co. | | USA |
| 45 | Available Plastics Inc. | | USA |
| 46 | Vita Needle Co. | | USA |
| 47 | Corrosion Products Inc. | | USA |
| 48 | Arthur Rubber Co. Inc. | | USA |
| 49 | Stainless Specialties Inc. | | USA |
| 50 | Fab-Tech Inc. | | USA |
| 51 | CK Composites LLC. | | USA |
| 52 | GreenMount Corp. | | USA |
| 53 | Pipeline Plastics | | USA |
| 54 | Hobas Pipe USA | | USA |
| 55 | Coltwell Industries | | USA |
| 56 | SharkBite a Brand of Reliance Worldwide Corporation | | USA |
| 57 | Rolled Alloys | | USA |
| 58 | Flexible Valve Corp. | | USA |
| 59 | Aquatherm | | USA |
| 60 | DBJ Corporation | | USA |
| 61 | Merit Brass Co. | | USA |
| 62 | Cooney Brothers Inc. | | USA |
| 63 | MesoCoat Inc. | | USA |
| 64 | Litek Composites Corp | | USA |
| 65 | Spiratex Co. | | USA |
| 66 | Argos Corp. | | USA |
| 67 | Town & Country Plastics Inc. | | USA |
| 68 | Shaw Stainless & Alloy | | USA |
| 69 | Uponor Inc. | | USA |
| 70 | Creative Urethanes Inc. | | USA |
| 71 | Niche Fluoropolymer Products | | USA |
| 72 | Scheele Engineering Corp. - SECOR | | USA |
| 73 | Industrial Plastic Systems | | USA |
| 74 | Mannesmann DMV Stainless | | USA |
| 75 | Micro-Fab Inc. | | USA |
| 76 | Satterlund Supply Co. | | USA |
| 77 | MAK Enterprises Inc. | | USA |
| 78 | Composites USA | | USA |
| 79 | PCM Co. (Plastics Consulting & Mfg. Co.) | | USA |
| 80 | PureFlex Inc | | USA |
| 81 | MRC Global | | USA |
| 82 | National Basic Sensor | | USA |
| 83 | Perma-Pipe Inc. | | USA |
| 84 | Industrial Plastic Products Inc. | | USA |
| 85 | Amalga Composites Inc. | | USA |
| 86 | Sewickley Construction Products Inc. | | USA |
| 87 | RhinoxUSA | | USA |
| 88 | Georg Fischer LLC | | USA |
| 89 | Edlon Inc. | | USA |
| 90 | Tube Methods Inc. | | USA |
| 91 | Corrosion Materials | | USA |
| 92 | Valiant Steel | | USA |
| 93 | Simtech Process Systems | | USA |
| 94 | Federal Steel Supply Inc. | | USA |
| 95 | Commercial Resins | | USA |
| 96 | Titanium Fabrication Corp. Phoenix Group | | USA |
| 97 | Cust-O-Bend | | USA |
| 98 | FlexSteel Pipeline Technologies Inc. | | USA |
| 99 | Stainless Shapes Inc. | | USA |
| 100 | Dritherm International Inc. | | USA |
| 101 | Eagle Alloys Corp. | | USA |
| 102 | Chicago Pipe Bending & Coil Co. | | USA |
| 103 | Hanna Rubber Company | | USA |
| 104 | Pena-Plas Co. | | USA |
| 105 | Proco Products Inc. | | USA |
| 106 | Rockwell Industries International Corp. | | USA |
| 107 | DC Duct & Sheet Metal | | USA |
| 108 | Bushwick Metals LLC | | USA |
| 109 | JM Eagle | | USA |
| 110 | Thermacor Process L.P. | | USA |
| 111 | J & D Tube Benders Inc. | | USA |
| 112 | Erickson Metals Corp. | | USA |
| 113 | Tantaline | | USA |
| 114 | United Pipe Nipple Company | | USA |
| 115 | CBP Engineering Corp. | | USA |
| 116 | Certified Thermoplastics Co. Inc. | | USA |
| 117 | Charlotte Pipe & Foundry Co. | | USA |
| 118 | Diamond Plastics Corp. | | USA |
| 119 | Atlantic Screen & Mfg. Inc. | | USA |
| 120 | ALTAFLO | | USA |
| 121 | Brymer Industries | | USA |
| 122 | A Metal Source LLC | | USA |
| 123 | Industrial Fiberglass Specialties Inc./IFS | | USA |
| 124 | Dover/TVJ | | USA |
| 125 | Ultraflo Systems Inc | | USA |
| 126 | International Reinforced Plastics | | USA |
| 127 | C.G. Metals Inc. | | USA |
| 128 | CRP Products & MFG LTD | | USA |
| 129 | Justin Tanks LLC | | USA |
| 130 | Madewell Products Corporation | | USA |
| 131 | BRC Engineering Inc. | | USA |
| 132 | Berg Steel Pipe Corp. | | USA |
| 133 | Saint-Gobain Advanced Ceramics | | USA |
| 134 | ICSE | | USA |
| 135 | US Fusion LLC | | USA |
| 136 | Quality Pipe Products Inc. | | USA |
| 137 | Falcon Metals | | USA |
| 138 | ATI | | USA |
| 139 | Canplas Industries Ltd | | USA |
| 140 | Orion Fittings | | USA |
| 141 | R.L. Industries Inc. | | USA |
| 142 | Atlantic Tube & Steel Inc. | | USA |
| 143 | Webco | | USA |
| 144 | Channel-Track & Tube-Way Industries Inc. | | USA |
| 145 | Fusibond Piping Systems Inc. | | USA |
| 146 | Superlon Plastics Company Inc | | USA |
| 147 | ISCO Industries LLC | | USA |
| 148 | HydroThrift | | USA |
| 149 | Fibrex | | USA |
| 150 | Industrial Fiberglass Inc. | | USA |
| 151 | All Metal Sales Corp | | USA |
| 152 | Jorgenson Metal Rolling & Forming Inc. | | USA |
| 153 | Value Steel & Pipe | | USA |
| 154 | The Titanium Processing Center | | USA |
| 155 | Multichair Inc | | USA |
| 156 | Interstate Metals | | USA |
| 157 | Essve Tech Inc | | USA |
| 158 | RMB Products | | USA |
| 159 | Gajeske Inc. | | USA |
| 160 | Advanced Drainage Systems Inc. | | USA |
| 161 | Brismet | | USA |
| 162 | Osi Plastics | | USA |
| 163 | Drossbach LLC | | USA |
| 164 | Plastic Supply of PA Inc. | | USA |
| 165 | Crumpler Plastic Pipe Inc. | | USA |
| 166 | Centek Industries Inc. | | USA |
| 167 | Watertec Irrigation Ltd. | | USA |
| 168 | Balzer's Canada Inc. | | USA |
| 169 | Cspi | | USA |
| 170 | Conley Corp. | | USA |
| 171 | Insul-Tek Piping System Inc. | | USA |
| 172 | Ridalco Industries Inc. | | USA |
| 173 | Building Products Co. | | USA |
| 174 | Asahi/America Inc. | | USA |
| 175 | IPEX | | USA |
| 176 | NewAge Industries Inc. | | USA |
| 177 | Emco Industrial Plastics Inc. | | USA |
| 178 | California Metal & Supply Inc. | | USA |
| 179 | Penn Stainless Products Inc. | | USA |
| 180 | Eagle Stainless Tube & Fabrication Inc. | | USA |
| 181 | The Hollaender Mfg. Co. | | USA |
| 182 | Morris Coupling Co. | | USA |
| 183 | A-1 Alloys | | USA |
| 184 | Valmont Tubing | | USA |
| 185 | Appleton Stainless | | USA |
| 186 | MAXPRO Technologies Inc. | | USA |
| 187 | Naylor Pipe Co. | | USA |
| 188 | High Performance Alloys Inc. | | USA |
| 189 | WL Plastics Corp. | | USA |
| 190 | Bull Moose Tube Co. | | USA |
| 191 | Creative Composites Group | | USA |
| 192 | Indventech | | USA |
| 193 | Reliable Source Inc. | | USA |
| 194 | Contech Engineered Solutions LLC | | USA |
| 195 | International Tank & Pipe Co. | | USA |
| 196 | Aero Industries | | USA |
| 197 | Process Control Corp. | | USA |
| 198 | MetalTek International | | USA |
