| 1 | Goldenrod Welding | | USA |
| 2 | Scot Industries | | USA |
| 3 | Ransome Co. | | USA |
| 4 | Warsaw Engineering & Fabricating Inc. | | USA |
| 5 | Imperial Systems Inc. | | USA |
| 6 | Wisconsin Metal Tech | | USA |
| 7 | Rockwell Industries International Corp. | | USA |
| 8 | Merit Brass Co. | | USA |
| 9 | NLMK Indiana | | USA |
| 10 | Storms Welding & Mfg Inc. | | USA |
| 11 | Miller Plastic Products Inc. | | USA |
| 12 | Titanium Fabrication Corp. Phoenix Group | | USA |
| 13 | Atlas Tube Inc. | | USA |
| 14 | Webco | | USA |
| 15 | American Friction Welding Inc. | | USA |
| 16 | Simtech Process Systems | | USA |
| 17 | Jay & Kay Mfg. LLC | | USA |
| 18 | K & K Enterprises Inc. | | USA |
| 19 | Corrosion Materials | | USA |
| 20 | U.S. Steel Corp. | | USA |
| 21 | AZCO Steel Company A Division of Bushwick Metals LLC | | USA |
| 22 | Federal Steel Supply Inc. | | USA |
| 23 | A & B Process Systems | | USA |
| 24 | American Tank & Fabricating Co. | | USA |
| 25 | Welspun Global Trade LLC USA | | USA |
| 26 | Stainless Structurals LLC | | USA |
| 27 | Bridgeport Steel | | USA |
| 28 | JM Eagle | | USA |
| 29 | Petromaterials USA Inc. | | USA |
| 30 | Mammoth Carbon Products | | USA |
| 31 | Stainless Shapes Inc. | | USA |
| 32 | Town & Country Plastics Inc. | | USA |
| 33 | Wheatland Tube Co. | | USA |
| 34 | Specialty Steel Supply Co. Inc. | | USA |
| 35 | United Pipe Nipple Company | | USA |
| 36 | Heat Exchange Applied Technology Inc. | | USA |
| 37 | Nippon Steel Corp. | | USA |
| 38 | Hyundai Steel America Inc. | | USA |
| 39 | Aviva Metals Inc. | | USA |
| 40 | Piping Systems Inc. | | USA |
| 41 | Maruichi Leavitt Pipe & Tube LLC | | USA |
| 42 | LAI East/Laser Applications Inc. Div. of LAI International Inc. | | USA |
| 43 | Anderson & Dahlen Inc. | | USA |
| 44 | U. S. Steel Tubular Products | | USA |
| 45 | Island Fitting | | USA |
| 46 | Arntzen Pipe | | USA |
| 47 | Pena-Plas Co. | | USA |
| 48 | Cust-O-Bend | | USA |
| 49 | Stainless Specialties Inc. | | USA |
| 50 | Cooney Brothers Inc. | | USA |
| 51 | Valiant Steel | | USA |
| 52 | J & D Tube Benders Inc. | | USA |
| 53 | Midwest Control Products Corp. | | USA |
| 54 | Douglas Barwick Inc. | | USA |
| 55 | PDM Steel Service Centers Inc. | | USA |
| 56 | Duraflex Inc. Metal Bellows | | USA |
| 57 | Tex-Fin Inc. | | USA |
| 58 | AK Tube LLC | | USA |
| 59 | H-P Products Inc. | | USA |
| 60 | Bushwick Metals LLC | | USA |
| 61 | All-Fab Corporation | | USA |
| 62 | Aquatherm | | USA |
| 63 | Boyce Industries Inc. | | USA |
| 64 | Steel Forgings Inc. | | USA |
| 65 | Industrial Supply & Rental | | USA |
| 66 | JFE Steel America Inc. | | USA |
| 67 | Sterling Pipe & Tube Inc. | | USA |
| 68 | MRC Global | | USA |
| 69 | Materiel Industriel Ltee | | USA |
| 70 | Quality Pipe Products Inc. | | USA |
| 71 | Manning Enterprises | | USA |
| 72 | A Metal Source LLC | | USA |
| 73 | Specialty Metals Inc. | | USA |
| 74 | Berg Steel Pipe Corp. | | USA |
| 75 | American Spiralweld Pipe Co. LLC | | USA |
| 76 | West Coast Pipe Linings Inc | | USA |
| 77 | Interstate Metals | | USA |
| 78 | Kickham Boiler Inc. | | USA |
| 79 | Sharon Tube Co. | | USA |
| 80 | Stainless Piping Specialists | | USA |
| 81 | Jindal Saw Limited | | USA |
| 82 | American Cast Iron Pipe Co. (ACIPCO) | | USA |
| 83 | Swepco Tube | | USA |
| 84 | OPS Sales Company | | USA |
| 85 | Brismet | | USA |
| 86 | ICSE | | USA |
| 87 | The Hart Companies | | USA |
| 88 | Eastmond A. L. & Sons Inc. | | USA |
| 89 | Chicago Tube & Iron Co. | | USA |
| 90 | Searing Industries | | USA |
| 91 | Ratnamani Inc. | | USA |
| 92 | Henderson Barwick Inc | | USA |
| 93 | Scot Hone Corp. | | USA |
| 94 | Ajax Metal Products Inc. | | USA |
| 95 | Marcegaglia Spa | | USA |
| 96 | Cameo Fabricators Inc. | | USA |
| 97 | Minnotte Manufacturing Corp. | | USA |
| 98 | Arden Corp. | | USA |
| 99 | Yarrs Corp. | | USA |
| 100 | Prudential Steel Ltd. | | USA |
| 101 | Jen-D-Sons Fabricators | | USA |
| 102 | Naylor Pipe Co. | | USA |
| 103 | American Piping Products Inc. | | USA |
| 104 | Emco Industrial Plastics Inc. | | USA |
| 105 | Infra-Metals Co. | | USA |
| 106 | California Metal & Supply Inc. | | USA |
| 107 | Penn Stainless Products Inc. | | USA |
| 108 | Eagle Stainless Tube & Fabrication Inc. | | USA |
| 109 | Woolf Aircraft Products Inc. | | USA |
| 110 | Morris Coupling Co. | | USA |
| 111 | Hofmann Industries Inc. | | USA |
| 112 | A-1 Alloys | | USA |
| 113 | Valmont Tubing | | USA |
| 114 | Fin Tube Products Inc. | | USA |
| 115 | Chicago Metal Rolled Products Co. | | USA |
| 116 | Bull Moose Tube Co. | | USA |
| 117 | Reliable Source Inc. | | USA |
| 118 | Precision Welding & Fabrication | | USA |
| 119 | Honeyville Metal | | USA |
| 120 | Aero Industries | | USA |
| 121 | Fay Industries | | USA |
| 122 | Mega Steel & Tube | | USA |
| 123 | Mueller Streamline Co. | | USA |
| 124 | Omni Steel Supply | | USA |
| 125 | Southeast Texas Industries Inc. | | USA |
| 126 | AGRU America Inc. | | USA |
