| RERite Engineering & Manufacturing CORP | Commerce | CA | — | ◇ UNVERIFIED |
| RPRite-hite Products Corporation | Memphis | TN | — | ◇ UNVERIFIED |
| RCRiver City Metal Fabrication, LLC | Baton Rouge | LA | — | ◇ UNVERIFIED |
| RKR K Fabrication | Anaheim | CA | — | ◇ UNVERIFIED |
| RWRLC Welding & Fabrication, LLC | Louisville | KY | — | ◇ UNVERIFIED |
| RVR&n Ventures, INC | Houston | TX | — | ◇ UNVERIFIED |
| RFRobertson Fabrication, INC | Greenwood | MS | — | ◇ UNVERIFIED |
| RTRocore Thermal Systems LLC | Burkesville | KY | — | ◇ UNVERIFIED |
| RARotary Airlock LLC | Rock Falls | IL | — | ◇ UNVERIFIED |
| RMRoura Material Handling INC | Holly Springs | MS | — | ◇ UNVERIFIED |
 Roy E Hanson Jr Mfg CO | Los Angeles | CA | — | ◇ UNVERIFIED |
| RPRudco Products INC. | Vineland | NJ | — | ◇ UNVERIFIED |
| RMRyan Manufacturing, INC. | East Palatka | FL | — | ◇ UNVERIFIED |
| SPSamuel Plate Processing Johnstown LLC | Johnstown | PA | — | ◇ UNVERIFIED |
| SLSan Luis Garbage | San Luis Obispo | CA | — | ◇ UNVERIFIED |
| SBS Bravo Systems INC | Commerce | CA | — | ◇ UNVERIFIED |
| SISeestra, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| SESellers Engineering Company | Danville | KY | — | ◇ UNVERIFIED |
| SPSen-dure Products INC | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| SWServall Welding And Fabrication Inc | Greenville | NC | — | ◇ UNVERIFIED |
| SWService Welding and Machine | Louisville | KY | — | ◇ UNVERIFIED |
| SASfc Adams INC. | Buffalo | NY | — | ◇ UNVERIFIED |
| SPSheet Pile LLC | Holderness | NH | — | ◇ UNVERIFIED |
| SSShelby Steel Vincent Incorporated | Vincent | AL | — | ◇ UNVERIFIED |
| SPSoutheastern Plateworks | Birmingham | AL | — | ◇ UNVERIFIED |
| SBSouthern Boiler & Tank Works, Incorporat | Memphis | TN | — | ◇ UNVERIFIED |
| SESouthern Erectors INC | Pensacola | FL | — | ◇ UNVERIFIED |
| SMSouthern Machinery CORP | Lakeland | FL | — | ◇ UNVERIFIED |
| SGSouth Gate Engineering LLC | Chino | CA | — | ◇ UNVERIFIED |
| SSSouthwestern Supply & Machine Works* | Saint Joseph | MO | — | ◇ UNVERIFIED |
| SSpincraft | Billerica | MA | — | ◇ UNVERIFIED |
| SLSpire, LLC | Troy | VA | — | ◇ UNVERIFIED |
| SWSsab Wear Solutions LLC | Birmingham | AL | — | ◇ UNVERIFIED |
| SFStainless Fabricators, INC. | Belle Chasse | LA | — | ◇ UNVERIFIED |
| SMStar Manufacturing,llc | Orange | CA | — | ◇ UNVERIFIED |
| SFState Fabricators | Livonia | MI | — | ◇ UNVERIFIED |
| SFState Fabricators, INC. | Farmingtn Hls | MI | — | ◇ UNVERIFIED |
| SISteelworks INC | Trenton | MI | — | ◇ UNVERIFIED |
| SMSteffes Metal Products, LLC - Grand Forks West | Grand Forks | ND | — | ◇ UNVERIFIED |
| SMStellar Mold & Tool, INC. | Galesville | WI | — | ◇ UNVERIFIED |
| SWStevens Welding and Fabrication LLC | Eveleth | MN | — | ◇ UNVERIFIED |
| SZSteve Zappetini & Son INC | San Rafael | CA | — | ◇ UNVERIFIED |
| SLSt Lucie County International Airport | Fort Pierce | FL | — | ◇ UNVERIFIED |
| SRStoney Ridge Fabricators | Palmerton | PA | — | ◇ UNVERIFIED |
| SWStruthers Wells Corp/warren | Warren | PA | — | ◇ UNVERIFIED |
| SBStupp Bros INC | Richardsville | KY | — | ◇ UNVERIFIED |
| SBStyle By Design Properties, LLC | Beckley | WV | — | ◇ UNVERIFIED |
| SSSudden Services Inc, Distribution and Operations Center | Philadelphia | MS | — | ◇ UNVERIFIED |
| SSSulphur Sheet Metal & Fabrication, INC. | Sulphur | LA | — | ◇ UNVERIFIED |
| SFSunbelt Fabricator | Steele | AL | — | ◇ UNVERIFIED |
| SFSuperior Fabrication, INC | Elk City | OK | — | ◇ UNVERIFIED |
| SFSuperior Fabrication, INC. | Ada | OK | — | ◇ UNVERIFIED |
| SFSuperior Fabricators INC | Baldwin | LA | — | ◇ UNVERIFIED |
| SPSupremo Products, LLC | Adamsburg | PA | — | ◇ UNVERIFIED |
| TITab Index Inc | Raleigh | NC | — | ◇ UNVERIFIED |
| TFTaylor Forge Engineered Systems INC | Greeley | KS | — | ◇ UNVERIFIED |
 Taylor Machine Works Inc, Plant Number 3 | Louisville | MS | — | ◇ UNVERIFIED |
| TMTda Mechanical, INC. | Columbus | GA | — | ◇ UNVERIFIED |
| TITec-fab, INC. | Campbellsville | KY | — | ◇ UNVERIFIED |
| TSTemtco Steel Div Taylor Group | Tacoma | WA | — | ◇ UNVERIFIED |
| TSTemtco Steel LLC | York | PA | — | ◇ UNVERIFIED |
| TSTemtco Steel - Pennsylvania Div | Phoenixville | PA | — | ◇ UNVERIFIED |
| THTen Hoeve Brothers LLC | Meriden | CT | — | ◇ UNVERIFIED |
| TMThe Metal Company, LLC | Sparks | NV | — | ◇ UNVERIFIED |
| TRThe Rack Boss INC | Glen Burnie | MD | — | ◇ UNVERIFIED |
| TEThermal Engineering International | Sapulpa | OK | — | ◇ UNVERIFIED |
 Thompson Fabricating LLC | Tarrant | AL | — | ◇ UNVERIFIED |
| TMThorne Manufacturing LLC | Wausau | WI | — | ◇ UNVERIFIED |
| TRThree Rivers Crane, INC. | Oakdale | PA | — | ◇ UNVERIFIED |
| TGThrive Geneva Acquisition LLC | Muskegon | MI | — | ◇ UNVERIFIED |
| TCTitan Contracting & Leasing Company INC | Robards | KY | — | ◇ UNVERIFIED |
| TFTjr Fabrication LLC | Marion | IN | — | ◇ UNVERIFIED |
| TATobul Accumulator INC | Bamberg | SC | — | ◇ UNVERIFIED |
| TATobul Accumulator INC | Bamberg | SC | — | ◇ UNVERIFIED |
| TMToms Metals Enterprises, LLC | Blackfoot | ID | — | ◇ UNVERIFIED |
| TITorwel Industries | Worcester | MA | — | ◇ UNVERIFIED |
| TMTotal Metal Resource, INC. | Brooklyn | NY | — | ◇ UNVERIFIED |
| TTranter | Houston | TX | — | ◇ UNVERIFIED |
| TITranter Incorporated | Edgefield | SC | — | ◇ UNVERIFIED |
| TETrend Electronics INC | Gallatin | TN | — | ◇ UNVERIFIED |
| TRTri-boro Rack & Storage Products, LLC | Farmville | VA | — | ◇ UNVERIFIED |
| TMTri Map International, INC. | Stockton | CA | — | ◇ UNVERIFIED |
| TCTrinity Containers LLC / Plt 27 | Tulsa | OK | — | ◇ UNVERIFIED |
| TITrinity Inds INC Plant 04 | Rocky Mount | NC | — | ◇ UNVERIFIED |
| TTTrinity Tank Car INC Plt 194 | Longview | TX | — | ◇ UNVERIFIED |
| TTT&t Towers, INC. | Kahului | HI | — | ◇ UNVERIFIED |
| TETurner Equipment Company, INC. | Goldsboro | NC | — | ◇ UNVERIFIED |
| UUnknown | Topeka | KS | — | ◇ UNVERIFIED |
| USU. S. Boiler & Tube Company, INC. | Fort Payne | AL | — | ◇ UNVERIFIED |
| UCU.s. Chutes Corporation | Bantam | CT | — | ◇ UNVERIFIED |
| UDU.s. Dol Osha | Chambersburg | PA | — | ◇ UNVERIFIED |
| UDUS Duct, INC. | Kernersville | NC | — | ◇ UNVERIFIED |
| UMUS Mat Systems LLC | Mcminnville | OR | — | ◇ UNVERIFIED |
| UOUtility Optimization Group LLC | Moss Point | MS | — | ◇ UNVERIFIED |
| UOUtility Optimization Group LLC | Pascagoula | MS | — | ◇ UNVERIFIED |
| VIVan Industries INC | Birdsboro | PA | — | ◇ UNVERIFIED |
| VMVernier Metal Fabricating, Inc. | Seymour | CT | — | ◇ UNVERIFIED |
| VHV & H Fabrication and Repairs, INC. | Jeanerette | LA | — | ◇ UNVERIFIED |
| VFVons Fuel Center #2344 | Escondido | CA | — | ◇ UNVERIFIED |
| WNWa317938011 - Naimor INC | Redmond | WA | — | ◇ UNVERIFIED |
