| 1 | Keating Steel Fabricators Inc. | | USA |
| 2 | Precision Pipe & Vessel LLC. | | USA |
| 3 | Rocky Mountain Steel Mills | | USA |
| 4 | Giant Plumbing & Heating Supply Co. | | USA |
| 5 | Nabson-Tubecraft Corp. | | USA |
| 6 | Texas Steel Culvert Co. | | USA |
| 7 | Fast Fabricators Inc. | | USA |
| 8 | Triten Corp. Canada Ltd. | | USA |
| 9 | Central Illinois Steel Co. | | USA |
| 10 | Georgia Tubular Products | | USA |
| 11 | Century Industrial Supply Inc. | | USA |
| 12 | Singleton Industrial Fabricators | | USA |
| 13 | Southland Pipe & Supply Inc. | | USA |
| 14 | Jen-D-Sons Fabricators | | USA |
| 15 | Nusco Mfg. Ltd. | | USA |
| 16 | Anaheim Welding & Fabrication Inc. | | USA |
| 17 | Canadian Phoenix Steel Products - Div. of 1045761 Ontario Ltd. | | USA |
| 18 | Reliable Source Inc. | | USA |
| 19 | Contech Engineered Solutions LLC | | USA |
| 20 | Admiral Steel | | USA |
| 21 | Precision Welding & Fabrication | | USA |
| 22 | Honeyville Metal | | USA |
| 23 | Aero Industries | | USA |
| 24 | Nordfab Ducting | | USA |
| 25 | Process Control Corp. | | USA |
| 26 | SAE Manufacturing Specialties Corp | | USA |
| 27 | MetalTek International | | USA |
| 28 | Metal Cutting Corp. | | USA |
| 29 | Franklin Sheet Metal | | USA |
| 30 | J. McGinley Co. | | USA |
| 31 | The Tin Knockers Industrial | | USA |
| 32 | MISUMI USA | | USA |
| 33 | Rudy and Associates | | USA |
| 34 | Eric'sons Dura Trench | | USA |
| 35 | Precision Metals and Engineering LLC | | USA |
| 36 | Micromold Products Inc. | | USA |
| 37 | Viega LLC | | USA |
| 38 | Manly Steel | | USA |
| 39 | Mueller Streamline Co. | | USA |
| 40 | Walter Long Manufacturing Co. Inc. | | USA |
| 41 | Omni Steel Supply | | USA |
| 42 | Schorr Metals Inc. | | USA |
| 43 | ProVent LLC | | USA |
| 44 | Flexpipe | | USA |
| 45 | Hub Capp | | USA |
| 46 | Cargill Inc. | | USA |
| 47 | Creform Corp. | | USA |
| 48 | Kee Safety Inc. | | USA |
| 49 | Southeast Texas Industries Inc. | | USA |
| 50 | Energy Steel & Supply Co. | | USA |
| 51 | Grant Steel | | USA |
| 52 | Lube USA | | USA |
| 53 | ALRO Products International | | USA |
| 54 | Coremark Metals | | USA |
| 55 | Vita Needle Co. | | USA |
| 56 | Soufer Group | | USA |
| 57 | Scot Industries | | USA |
| 58 | RJB Wholesale Inc | | USA |
| 59 | Coltwell Industries | | USA |
| 60 | Dass Steel | | USA |
| 61 | Materiel Industriel Ltee | | USA |
| 62 | Kottler Metal Products Inc. | | USA |
| 63 | Unity Tube | | USA |
| 64 | Service Components Inc. | | USA |
| 65 | Sterling Pipe & Tube Inc. | | USA |
| 66 | Mill Metals | | USA |
| 67 | PDM Steel Service Centers Inc. | | USA |
| 68 | JSW Steel | | USA |
| 69 | MRC Global | | USA |
| 70 | Bushwick Metals LLC | | USA |
| 71 | RhinoxUSA | | USA |
| 72 | Haitima Corp. | | USA |
| 73 | TANDEMLOC Inc. | | USA |
| 74 | Diversified Air Systems | | USA |
| 75 | DC Duct & Sheet Metal | | USA |
| 76 | Wisconsin Metal Tech | | USA |
| 77 | J & D Tube Benders Inc. | | USA |
| 78 | Air Dynamics Industrial Systems Corp. | | USA |
| 79 | Merit Brass Co. | | USA |
| 80 | B G B Steel | | USA |
| 81 | Central Plains Steel Co. | | USA |
| 82 | H2K Technologies Inc. | | USA |
| 83 | U. S. Steel Tubular Products | | USA |
| 84 | DDM Pipe & Steel | | USA |
| 85 | Stainless Shapes Inc. | | USA |
| 86 | PPC Specialty Metals Inc. | | USA |
| 87 | Bridgeport Steel | | USA |
| 88 | Coastal Steel Construction Ltd. | | USA |
| 89 | Riggins Company | | USA |
| 90 | Valiant Steel | | USA |
| 91 | Berrien Metal Products Inc. | | USA |
| 92 | Federal Steel Supply Inc. | | USA |
| 93 | Arntzen Pipe | | USA |
| 94 | Quality Pipe Products Inc. | | USA |
| 95 | Wheatland Tube Co. | | USA |
| 96 | Koger Air Corporation | | USA |
| 97 | Modern Welding Co. of Kentucky Inc. | | USA |
| 98 | National Tube Supply | | USA |
| 99 | Ogeechee Steel Inc. | | USA |
| 100 | Steel Forgings Inc. | | USA |
| 101 | Alloys International Inc. | | USA |
| 102 | H-P Products Inc. | | USA |
| 103 | U.S. Industrial Piping Inc. | | USA |
| 104 | Shaw Stainless & Alloy | | USA |
| 105 | North Second Street Steel Supply | | USA |
| 106 | Dixie Weld Fab Inc. | | USA |
| 107 | Advancing Alternatives | | USA |
| 108 | Jynt Fabrication Inc. | | USA |
| 109 | Piping Systems Inc. | | USA |
| 110 | Davis Steel Services Div. of Davis Iron Works | | USA |
| 111 | Piedmont Fabrications LLC | | USA |
| 112 | isoplus Piping Systems Inc. | | USA |
| 113 | Atlas Tube Inc. | | USA |
| 114 | Perma-Pipe Inc. | | USA |
| 115 | Kahn Steel Co. | | USA |
| 116 | Holloway Co. Inc. | | USA |
| 117 | United States Brass & Copper | | USA |
| 118 | Metro Steel & Pipe Supply Inc. | | USA |
| 119 | Petromaterials USA Inc. | | USA |
| 120 | Satterlund Supply Co. | | USA |
| 121 | Walsh & Albert Co. | | USA |
| 122 | AZCO Steel Company A Division of Bushwick Metals LLC | | USA |
| 123 | Airflow Products Inc. | | USA |
| 124 | Manning Enterprises | | USA |
| 125 | Frederiks Machine & Tool Co. Inc. | | USA |
| 126 | Security Fabricators Inc. | | USA |
| 127 | Gpm Fab Supply | | USA |
| 128 | Stainless Specialties Inc. | | USA |
| 129 | Versa Fittings | | USA |
| 130 | DBJ Corporation | | USA |
| 131 | ABT Inc. | | USA |
| 132 | Langley Alloys | | USA |
| 133 | CBP Engineering Corp. | | USA |
| 134 | Sewickley Construction Products Inc. | | USA |
| 135 | Alabama Steel Supply Inc. | | USA |
| 136 | Bri-Steel | | USA |
| 137 | Crest Steel Corp. | | USA |
| 138 | Winchester Metals Inc. | | USA |
| 139 | Evraz | | USA |
| 140 | Wisconsin Steel & Tube Corporation | | USA |
| 141 | Tata Steel Minerals Canada Ltd. | | USA |
| 142 | AK Tube LLC | | USA |
| 143 | National Basic Sensor | | USA |
| 144 | Cust-O-Bend | | USA |
| 145 | Stainless Structurals LLC | | USA |
| 146 | United Pipe Nipple Company | | USA |
| 147 | American Steel And Aluminum LLC | | USA |
| 148 | Maruichi Leavitt Pipe & Tube LLC | | USA |
| 149 | Shivom Jay Steels International | | USA |
| 150 | Mammoth Carbon Products | | USA |
| 151 | Albina Co. Inc. | | USA |
| 152 | AutoVac Industrial Vacuum & Air Systems | | USA |
| 153 | Durrett Sheppard Steel Co. | | USA |
| 154 | Nello Corporation | | USA |
| 155 | Aero Specialties Material Corp. | | USA |
| 156 | Industrial Supply & Rental | | USA |
| 157 | NUCAP Energy | | USA |
| 158 | Hyundai Steel America Inc. | | USA |
| 159 | Imperial Manufacturing Group | | USA |
| 160 | Sargent Pipe | | USA |
| 161 | Cooney Brothers Inc. | | USA |
| 162 | R 3 Steel | | USA |
| 163 | Checkfluid Inc. | | USA |
| 164 | Calpipe Industries - Calbrite | | USA |
| 165 | Island Fitting | | USA |
| 166 | J.L. Hartman Stainless LLC | | USA |
| 167 | Extreme Marine Products Inc. | | USA |
| 168 | Specialty Steel Supply Co. Inc. | | USA |
| 169 | JFE Steel America Inc. | | USA |
| 170 | Nivert Metal Supply Inc. | | USA |
| 171 | SouthCo Metals LLC | | USA |
| 172 | Scion Steel | | USA |
| 173 | Freedom Metals Inc. | | USA |
| 174 | Atkore International | | USA |
| 175 | Boyce Industries Inc. | | USA |
| 176 | U.S. Steel Corp. | | USA |
| 177 | AKM Inc. | | USA |
| 178 | Factory Steel & Metal Supply | | USA |
| 179 | Webco | | USA |
| 180 | Ultraflo Systems Inc | | USA |
| 181 | Raughley Pipe & Tube Inc. | | USA |
| 182 | A Metal Source LLC | | USA |
| 183 | Deck Yard | | USA |
| 184 | High Steel Service Center LLC | | USA |
| 185 | The Pipe Yard | | USA |
| 186 | Hort Mfg. (1986) Ltd. | | USA |
| 187 | Ready Pipe & Steel LLC | | USA |
| 188 | TPCO Enterprise Inc. | | USA |
| 189 | Capital City Machine Shop Inc. | | USA |
| 190 | Piping Technology & Products Inc. | | USA |
| 191 | Bemidji Steel Company | | USA |
| 192 | Bull Moose Tube Co. | | USA |
| 193 | American Cast Iron Pipe Co. (ACIPCO) | | USA |
| 194 | Viking Group Inc. | | USA |
| 195 | American Spiralweld Pipe Co. LLC | | USA |
| 196 | Black Diamond Pipe & Tube Inc. | | USA |
| 197 | Technical Machine Sales Inc. | | USA |
| 198 | Brismet | | USA |
| 199 | Turner Industries | | USA |
| 200 | Dura-Bar | | USA |
| 201 | West Coast Pipe Linings Inc | | USA |
| 202 | Cooper Supply | | USA |
| 203 | Saint-Gobain ADFORS | | USA |
| 204 | Metal-Pac Mfg. Ltd. | | USA |
| 205 | Berg Steel Pipe Corp. | | USA |
| 206 | Robwel Constructors Limited Partnership | | USA |
| 207 | Searing Industries | | USA |
| 208 | St. Regis Culvert | | USA |
| 209 | Steel Resource | | USA |
| 210 | De Jong Iron Works Inc. | | USA |
| 211 | TSC Drill Pipe | | USA |
| 212 | Essve Tech Inc | | USA |
| 213 | Huge L Steel Inc. | | USA |
| 214 | Advanced Drainage Systems Inc. | | USA |
| 215 | Cherokee Culvert Company Inc. | | USA |
| 216 | Detroit Tubing Mill Inc. | | USA |
| 217 | A & H Metals | | USA |
| 218 | American Steel Pipe Div. American Cast Iron Pipe Co. | | USA |
| 219 | Youngstown Tube Company | | USA |
| 220 | Paragon Industries Inc. | | USA |
| 221 | Insul-Tek Piping System Inc. | | USA |
| 222 | B. E. Atlas Company | | USA |
| 223 | Bull Moose Tube Co. | | USA |
| 224 | Royal Metal Industries | | USA |
| 225 | American Extruded Products | | USA |
| 226 | L&L Industries Inc. | | USA |
| 227 | Maruichi American Corporation | | USA |
| 228 | Tube Fabricators | | USA |
| 229 | Pipe Industries | | USA |
| 230 | T&T Legacy Metals LLC | | USA |
| 231 | Prairie Steel Products | | USA |
| 232 | Ideal Shield | | USA |
| 233 | Cement Lining Company Inc. | | USA |
| 234 | CUMIC | | USA |
| 235 | Nardei Fabricators Ltd. | | USA |
| 236 | Southland Tube Inc. | | USA |
| 237 | Naylor Steel Inc. | | USA |
| 238 | ICSE | | USA |
| 239 | Rovanco Piping Systems Inc | | USA |
| 240 | Sharon Tube Co. | | USA |
| 241 | Francer Industries Inc. | | USA |
| 242 | Bartow Steel Inc. | | USA |
| 243 | Amimac Fabrication Inc. | | USA |
| 244 | Medallion Pipe Supply | | USA |
| 245 | East Coast Welding & Construction Co. Inc. | | USA |
| 246 | Tubular Industries | | USA |
| 247 | Jorgenson Metal Rolling & Forming Inc. | | USA |
| 248 | DSI Metals Inc. | | USA |
| 249 | Cardinal Steel Supply | | USA |
| 250 | ICO Permian | | USA |
| 251 | Iron Horse Pipe & Steel | | USA |
| 252 | Griffin Steel Products Inc. | | USA |
| 253 | Accord Pipe Fabricators Co. Inc. | | USA |
| 254 | Spartan Steel | | USA |
| 255 | New Liskeard Sheet Metal Works Ltd. | | USA |
| 256 | Imperial Pipe | | USA |
| 257 | Wilderness Steel Fabricators LLC | | USA |
| 258 | Prudential Steel Ltd. | | USA |
| 259 | J & J Metal Products Co. | | USA |
| 260 | Uribe Steel | | USA |
| 261 | Campbell J. D. Inc. | | USA |
| 262 | Evraz Camrose Works | | USA |
| 263 | Tweed Steel Works Eastern Ltd. | | USA |
| 264 | Scot Hone Corp. | | USA |
| 265 | Canada Pipe Co. Ltd. | | USA |
| 266 | Dominion Steel Ltd. | | USA |
| 267 | Grant Prideco | | USA |
| 268 | Naylor Pipe Co. | | USA |
| 269 | American Piping Products Inc. | | USA |
| 270 | Valmont Tubing | | USA |
| 271 | Bull Moose Tube Co. | | USA |
| 272 | Morris Coupling Co. | | USA |
| 273 | Mega Steel & Tube | | USA |
| 274 | Millard Manufacturing Corp. MMS | | USA |
| 275 | Infra-Metals Co. | | USA |
| 276 | California Metal & Supply Inc. | | USA |
| 277 | Xylem Inc. | | USA |
| 278 | Eagle Stainless Tube & Fabrication Inc. | | USA |
| 279 | Hofmann Industries Inc. | | USA |
| 280 | A-1 Alloys | | USA |
| 281 | Paramount Roll & Forming Inc. | | USA |
| 282 | Suncor Stainless Inc. | | USA |
| 283 | Gibson Stainless & Specialty Inc. | | USA |
| 284 | World Wide Metric Inc. | | USA |
| 285 | Helander | | USA |
| 286 | MAXPRO Technologies Inc. | | USA |
| 287 | Appleton Stainless | | USA |
| 288 | ROSS Mixers | | USA |
| 289 | Fin Tube Products Inc. | | USA |
| 290 | Chicago Metal Rolled Products Co. | | USA |
| 291 | High Temperature Systems Inc. | | USA |
| 292 | Indventech | | USA |
