| ASAdvantage Sintered Metals INC | Battle Creek | MI | — | ◇ UNVERIFIED |
| ACAlaska Company INC | Bloomsburg | PA | — | ◇ UNVERIFIED |
| AMAlco Metals | Bloomfield, Township of | PA | — | ◇ UNVERIFIED |
| ALAllegheny Ludlum Cor/washington Flatroll | Washington | PA | — | ◇ UNVERIFIED |
| ALAllegheny Ludlum LLC | Louisville | OH | — | ◇ UNVERIFIED |
| ALAllegheny Ludlum, LLC | Bridgeview | IL | — | ◇ UNVERIFIED |
| ALAllegheny Ludlum Llc/bagdad | Leechburg | PA | — | ◇ UNVERIFIED |
| ALAllegheny Ludlum Steel Strip Plant | Wallingford | CT | — | ◇ UNVERIFIED |
| ASAll Star Sheet Metal | Tyler | TX | — | ◇ UNVERIFIED |
| AMAmerican Metal Group (amg) | Childersburg | AL | — | ◇ UNVERIFIED |
| APAmerican Processing LLC | Cleveland | OH | — | ◇ UNVERIFIED |
| AUAmerican Utility Processing, LLC | Akron | OH | — | ◇ UNVERIFIED |
| AMAmeri-precision Metals Inc/canonsburg Fac | Canonsburg | PA | — | ◇ UNVERIFIED |
| APA&m Powder | Los Angeles | CA | — | ◇ UNVERIFIED |
| AFAndy's Fabrication | Terrell | TX | — | ◇ UNVERIFIED |
| AIArcelormittal Indiana Harbor - Safety Dept | East Chicago | IN | — | ◇ UNVERIFIED |
| AMArcelor Mittal Steel | Conshohocken | PA | — | ◇ UNVERIFIED |
| AMArc Mechanical Contractors INC | Bradford | VT | — | ◇ UNVERIFIED |
| AMArlington Metals CORP | Sawyer | MI | — | ◇ UNVERIFIED |
 Arnold Magnetic Technologies | Marengo | IL | — | ◇ UNVERIFIED |
| AIASRD Industries, LLC and Allied Steel Rule Dies Inc | Indianapolis | IN | — | ◇ UNVERIFIED |
| AAAssa Abloy Service Centers, Inc., | Birmingham | AL | — | ◇ UNVERIFIED |
| ASAthens Steel | Athens | TX | — | ◇ UNVERIFIED |
| ASAtkore Steel Components | Coconut Creek | FL | — | ◇ UNVERIFIED |
| ATAtlas Tube, INC. - Blytheville Plant | Blytheville | AR | — | ◇ UNVERIFIED |
| BMBarclay Machine, INC. | Salem | OH | — | ◇ UNVERIFIED |
| BHBaron Hr | Pittsburg | CA | — | ◇ UNVERIFIED |
| BPBar Processing CORP - Monroe | Monroe | MI | — | ◇ UNVERIFIED |
| BRBay Rivers Industrial | Toano | VA | — | ◇ UNVERIFIED |
| BPBaytown Plate Division | Baytown | TX | — | ◇ UNVERIFIED |
| BCBeaver Creek Cabinets, LLC | Holton | MI | — | ◇ UNVERIFIED |
| BCBender Ccp INC | Corona | CA | — | ◇ UNVERIFIED |
| BMBenzie Manufacturing LLC | Frankfort | MI | — | ◇ UNVERIFIED |
| BSBerg Spiral Pipe Corporation | Mobile | AL | — | ◇ UNVERIFIED |
| BSBigbee Steel & Tank CO | Manheim | PA | — | ◇ UNVERIFIED |
| BSB.K. Stainless, Inc | Miami | FL | — | ◇ UNVERIFIED |
| BCBlue Collar Products by Design LLC | San Antonio | TX | — | ◇ UNVERIFIED |
| BRBlue Ridge Metals Corporation | Fletcher | NC | — | ◇ UNVERIFIED |
| BRBolsinger Rebar INC | Cascade | IA | — | ◇ UNVERIFIED |
| BKBoone Kenton Machine, LLC | Erlanger | KY | — | ◇ UNVERIFIED |
| BMBralco Metals | Garland | TX | — | ◇ UNVERIFIED |
| BSBrodhead Steel Prod | South San Francisco | CA | — | ◇ UNVERIFIED |
| BRBrooklyn Rebar LLC | Brooklyn | NY | — | ◇ UNVERIFIED |
| BSBudd Site | Philadelphia | PA | — | ◇ UNVERIFIED |
| CSCalbody Steel Forming LLC | Benicia | CA | — | ◇ UNVERIFIED |
| CECaliber Elements, LLC | Homosassa | FL | — | ◇ UNVERIFIED |
| CECalifornia Electric Steel | Angels Camp | CA | — | ◇ UNVERIFIED |
| CECalifornia Expanded Metal Products Company | Pittsburg | CA | — | ◇ UNVERIFIED |
| CSCalstrip Steel CORP | Los Angeles | CA | — | ◇ UNVERIFIED |
| CSCalstrip Steel Corporation | Mira Loma | CA | — | ◇ UNVERIFIED |
