| ASAk Steel CORP | Dearborn | MI | — | ◇ UNVERIFIED |
| ASAk Steel Corp/butler Works | Butler | PA | — | ◇ UNVERIFIED |
| ATAk Tube LLC | Columbus | IN | — | ◇ UNVERIFIED |
| AMAlabama Metal Industries CORP | Birmingham | AL | — | ◇ UNVERIFIED |
| ACAlaska Company INC | Stroudsburg | PA | — | ◇ UNVERIFIED |
| AFAlaska Frontier Fabrication LLC | Palmer | AK | — | ◇ UNVERIFIED |
| AFAlcast Foundry INC | Redondo Beach | CA | — | ◇ UNVERIFIED |
| ASAllan Schaffer | Livermore | CA | — | ◇ UNVERIFIED |
| ABAll Bending and Tubular Products LLC | Grand Rapids | MI | — | ◇ UNVERIFIED |
| ALAllegheny Ludlum CORP | Houston | PA | — | ◇ UNVERIFIED |
| ALAllegheny Ludlum Steel Strip Plant | Wallingford | CT | — | ◇ UNVERIFIED |
| ATAlliance Tubular Holding LLC | Darlington | PA | — | ◇ UNVERIFIED |
| ATAlliance Tubular Holdings LLC | Dixmoor | IL | — | ◇ UNVERIFIED |
| ATAllied Tube and Conduit | Merrillville | IN | — | ◇ UNVERIFIED |
| ATAllied Tube & Conduit CORP | Morrisville | PA | — | ◇ UNVERIFIED |
| ATAllied Tube & Conduit Corp/norcom | Philadelphia | PA | — | ◇ UNVERIFIED |
| AWAllpoints Warehousing Equipment Company | Tampa | FL | — | ◇ UNVERIFIED |
| AMAlpha Mechanical Services INC | Louisville | KY | — | ◇ UNVERIFIED |
| AEAmco Engineering CO | Schiller Park | IL | — | ◇ UNVERIFIED |
| AIAmega Industries | Longview | TX | — | ◇ UNVERIFIED |
| AHAmerican Highway Products, LTD | Bolivar | OH | — | ◇ UNVERIFIED |
| ASAmerican Spiral Weld Pipe | Flint | MI | — | ◇ UNVERIFIED |
| ASAmerican Stainless & Alloy Products | Darlington | SC | — | ◇ UNVERIFIED |
| ASAmerican Stainless Tubing, INC. | Troutman | NC | — | ◇ UNVERIFIED |
| ASAmerican Stair CORP | Romeoville | IL | — | ◇ UNVERIFIED |
| ASAmerican Steel Fab | Pevely | MO | — | ◇ UNVERIFIED |
| ASAmerican Steel Solutions, LLC | Spring | TX | — | ◇ UNVERIFIED |
| AMAmeriti Manufacturing Company | Detroit | MI | — | ◇ UNVERIFIED |
| ATAmg Titanium Llc/551 Northgate Cir | New Castle | PA | — | ◇ UNVERIFIED |
| AVAmg Vanadium LLC | Zanesville | OH | — | ◇ UNVERIFIED |
| ACAm/ns Calvert LLC | Calvert | AL | — | ◇ UNVERIFIED |
| ACAm/ns Calvert LLC | Calvert | AL | — | ◇ UNVERIFIED |
| AUAngstrom USA LLC | Taylor | MI | — | ◇ UNVERIFIED |
| AAperam | Sterling Heights | MI | — | ◇ UNVERIFIED |
| ASAperam Stainless Services & Solutions | Sterling Heights | MI | — | ◇ UNVERIFIED |
| APApex Powder Coating LLC | Taylor | MI | — | ◇ UNVERIFIED |
 Api Heat Transfer INC. | Montgomery | AL | — | ◇ UNVERIFIED |
| ABAran Bagher | Santa Ana | CA | — | ◇ UNVERIFIED |
| AArcelormittal | Cleveland | OH | — | ◇ UNVERIFIED |
| ACArcelormittal Calvert, LLC | Calvert | AL | — | ◇ UNVERIFIED |
| AMArcelor Mittal/indiana Harbor Long Carbon | East Chicago | IN | — | ◇ UNVERIFIED |
| ACArcerlormittal Cleveland LLC | Cleveland | OH | — | ◇ UNVERIFIED |
| AUArmor Up, LLC | Tulsa | OK | — | ◇ UNVERIFIED |
 Arnold Magnetic Technologies | Marengo | IL | — | ◇ UNVERIFIED |
| ABAti Billerica Operations | Billerica | MA | — | ◇ UNVERIFIED |
| ABAti Bozeman INC | Bozeman | MT | — | ◇ UNVERIFIED |
| AFAti Flowform Products, LLC | Billerica | MA | — | ◇ UNVERIFIED |
| ASAtlantic Steel, INC | Longwood | FL | — | ◇ UNVERIFIED |
| AMAtwood Metals LLC | Bethel | MN | — | ◇ UNVERIFIED |
| AIAuburn Industries A&A Inc | Auburn Hills | MI | — | ◇ UNVERIFIED |
| APAul Pipe Tube & Steel INC | Vernon | CA | — | ◇ UNVERIFIED |
| ABAutomotive Body Parts, INC. | Cartersville | GA | — | ◇ UNVERIFIED |
| APAxis Pipe and Tube Bryan Facility | Bryan | TX | — | ◇ UNVERIFIED |
| BMBarbay Machine Works | Beaumont | TX | — | ◇ UNVERIFIED |
| BOBar-Fab of Florida, Inc | Clearwater | FL | — | ◇ UNVERIFIED |
| BSBarker Steel Construction, INC. | Tucson | AZ | — | ◇ UNVERIFIED |
| BBBarrett Buisness Services INC | Gardena | CA | — | ◇ UNVERIFIED |
| BPBarr Properties, LLC | Madison | IN | — | ◇ UNVERIFIED |
| BSBayou Steel Mill Plant - Laplace Steel Mill | Laplace | LA | — | ◇ UNVERIFIED |
| BBB & B Pipe & Tool Company | Long Beach | CA | — | ◇ UNVERIFIED |
| BWBdm Warren Steel Operations, LLC (0278000463) | Warren | OH | — | ◇ UNVERIFIED |
| BFBeaver Falls Machine Shop | Beaver Falls | PA | — | ◇ UNVERIFIED |
| BFBeaver Falls Tubular Prodllc/beaver Falls Plt | Beaver Falls | PA | — | ◇ UNVERIFIED |
| BMBehrens Manufacturing LLC | Winona | MN | — | ◇ UNVERIFIED |
| BFBenicia Fabrication and Machines, INC. | Benicia | CA | — | ◇ UNVERIFIED |
| BMBenzie Manufacturing LLC | Frankfort | MI | — | ◇ UNVERIFIED |
| BSBerg Spiral Pipe Corporation | Mobile | AL | — | ◇ UNVERIFIED |
| BEBerry Enterprise of Ms, INC | Perkinston | MS | — | ◇ UNVERIFIED |
| BABest American Welding & Steel | Westbury | NY | — | ◇ UNVERIFIED |
| BSBirmingham Steel CORP | Bourbonnais | IL | — | ◇ UNVERIFIED |
| BDBlack Diamond Welding INC | Roosevelt | UT | — | ◇ UNVERIFIED |
| BCBlackhawk Cutting Services, Inc. | Beloit | WI | — | ◇ UNVERIFIED |
| BIBlastech, INC. | Gary | IN | — | ◇ UNVERIFIED |
| BFBlue Fabrication INC | Delta | CO | — | ◇ UNVERIFIED |
| BPBlue Patriot Fab | Omaha | NE | — | ◇ UNVERIFIED |
| BPBlytheville Plate Works | Blytheville | AR | — | ◇ UNVERIFIED |
 Boldmark Steel Industry, LLC | Baltimore | MD | — | ◇ UNVERIFIED |
| BTBoomerang Tube LLC | Chesterfield | MO | — | ◇ UNVERIFIED |
| BSBostic Steel, INC. | Miami | FL | — | ◇ UNVERIFIED |
| BSBradford Steel Co., INC. | East Freetown | MA | — | ◇ UNVERIFIED |
| BFBranson Family Holdings LLC | Rapid City | SD | — | ◇ UNVERIFIED |
| BFBrendle Fire Equipment, INC. | Montgomery | AL | — | ◇ UNVERIFIED |
| BCBrittany Catania | San Bernardino | CA | — | ◇ UNVERIFIED |
| BEBromley Excavating | Centralia | IL | — | ◇ UNVERIFIED |
| BIBronson Investments, Inc. | White City | OR | — | ◇ UNVERIFIED |
| BIBronson Investments, Inc. | White City | OR | — | ◇ UNVERIFIED |
| BIBrothers Ironworks Co, Sarkis Tatarian | Burbank | CA | — | ◇ UNVERIFIED |
| BHBrown Hawk LLC | Medina | MN | — | ◇ UNVERIFIED |
| BLBruggrovanco LLC | Joliet | IL | — | ◇ UNVERIFIED |
| BEBrunton Enterprises Inc,plas Tal Mfg CO | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| BSB & S Iron Works LLC | Bronx | NY | — | ◇ UNVERIFIED |
| BMBull Moose Tube CO | Chicago Heights | IL | — | ◇ UNVERIFIED |
| BMBull Moose Tube Company Expansion | Elkhart | IN | — | ◇ UNVERIFIED |
| BCBury Companies, Inc. | Rogers | MN | — | ◇ UNVERIFIED |
| CACaledonian Alloys | Huntington | WV | — | ◇ UNVERIFIED |
| CPCalifornia Pipe Fabricators | Dixon | CA | — | ◇ UNVERIFIED |
| CPCalifornia Pipe Recycling, INC. | Bakersfield | CA | — | ◇ UNVERIFIED |
| CSCalifornia Steel Industries INC | Fontana | CA | — | ◇ UNVERIFIED |
| CMCamelot Metals | Blaine | MN | — | ◇ UNVERIFIED |
| CSCanam Steel Corporation | Buckeye | AZ | — | ◇ UNVERIFIED |
