| IWInsteel Wire Products Company | Summerville | SC | — | ◇ UNVERIFIED |
| IWInsteel Wire Products Company-sanderson | Sanderson | FL | — | ◇ UNVERIFIED |
| IWInsteel Wire Products INC. | Sanderson | FL | — | ◇ UNVERIFIED |
| ISInterstate Steel CO | Des Plaines | IL | — | ◇ UNVERIFIED |
| ISIntertrade Steel Corporation | Cedar Rapids | IA | — | ◇ UNVERIFIED |
| IKIpsco Koppel Tubulars Llc/koppel Plt | Koppel | PA | — | ◇ UNVERIFIED |
| ICIps/stanwood Corporation | South Milwaukee | WI | — | ◇ UNVERIFIED |
| IEIronton Enterprises LLC | West Paducah | KY | — | ◇ UNVERIFIED |
| ILIronunits LLC - Toledo Hbi (0448011992) | Toledo | OH | — | ◇ UNVERIFIED |
| IDItw Drawform | Holland | MI | — | ◇ UNVERIFIED |
| ISIw & S INC | River Rouge | MI | — | ◇ UNVERIFIED |
| JCJackson Clip CO. | Mazie | OK | — | ◇ UNVERIFIED |
| JCJavier Chavez Valencia | Waterford | CA | — | ◇ UNVERIFIED |
| JLJd501, LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| JIJ&d Industrial Services INC | Pasadena | MD | — | ◇ UNVERIFIED |
| JGJ&E Grill Mfg., LLC | New Holland | PA | — | ◇ UNVERIFIED |
| JSJemsteel Sales, LLC | Streetsboro | OH | — | ◇ UNVERIFIED |
| JIJernberg Industries INC | Chicago | IL | — | ◇ UNVERIFIED |
| JEJesus Ernesto Velasquez & Rosa Maria Velasquez, Indivdually and Jointly | San Marcos | CA | — | ◇ UNVERIFIED |
| JAJewel Acquisition LLC | Louisville | OH | — | ◇ UNVERIFIED |
| JCJewell Coke Company | Oakwood | VA | — | ◇ UNVERIFIED |
| JPJms Processing INC | Blytheville | AR | — | ◇ UNVERIFIED |
| JPJms Property Improvements | Armorel | AR | — | ◇ UNVERIFIED |
| JIJMZ Investments, LLC | Fontana | CA | — | ◇ UNVERIFIED |
| JIJohnston International Corporation Dba Plasties | Tustin | CA | — | ◇ UNVERIFIED |
| JPJoliet Public Scrap Metal Recycling Yard | Joliet | IL | — | ◇ UNVERIFIED |
| JSJsw Steel Holding (usa), INC. | Baytown | TX | — | ◇ UNVERIFIED |
| JSJsw Steel USA Ohio, INC. | Mingo Junction | OH | — | ◇ UNVERIFIED |
| KSKane Steel INC. | Pottsville | PA | — | ◇ UNVERIFIED |
| KSKatelman Steel Fabrication INC | Council Bluffs | IA | — | ◇ UNVERIFIED |
| KTKazmier Tooling Inc., | Chicago | IL | — | ◇ UNVERIFIED |
| KBK & B Steel | Clarksville | TX | — | ◇ UNVERIFIED |
| KSKB Steel & Building Products | Anaheim | CA | — | ◇ UNVERIFIED |
| KMKC Metal Worx, LLC | Kansas City | MO | — | ◇ UNVERIFIED |
| KSKdr Steel | Rialto | CA | — | ◇ UNVERIFIED |
| KRKentucky Roll Forming, LLC | Louisville | KY | — | ◇ UNVERIFIED |
| KPKenwal Pickling, LLC | Dearborn | MI | — | ◇ UNVERIFIED |
| KBKeystone Bar Products INC | Chicago Heights | IL | — | ◇ UNVERIFIED |
| KFKeystone Fasteners INC | Springdale | AR | — | ◇ UNVERIFIED |
| KSKgel Steel, INC | Riverside | CA | — | ◇ UNVERIFIED |
| KSKgs Steel, INC. | Nashville | TN | — | ◇ UNVERIFIED |
| KSKing Steel Corporation | Norfolk | NE | — | ◇ UNVERIFIED |
| KMKloeckner Metals | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| KMKloeckner Metals Corporation | Fontana | CA | — | ◇ UNVERIFIED |
| KMKloeckner Metals, INC | Tulare | CA | — | ◇ UNVERIFIED |
| KCKloppenberg & CO | Sheridan | CO | — | ◇ UNVERIFIED |
| KSKnightsbridge Steel LLC | Hialeah | FL | — | ◇ UNVERIFIED |
| KNK. N. M. Industries, INC. | Harwood Heights | IL | — | ◇ UNVERIFIED |
| KIK.n.m. Industries, INC. Dba Lexco Cable | Norridge | IL | — | ◇ UNVERIFIED |
| KWKokoku Wire Industries Corporation | South Bend | IN | — | ◇ UNVERIFIED |
| KFKornegay Fabrication,LLC | Mesa | AZ | — | ◇ UNVERIFIED |
| KOK O Steel construction Inc | North Scituate | RI | — | ◇ UNVERIFIED |
| KWKrazy Wills | Rockford | IL | — | ◇ UNVERIFIED |
| KFKuhn Fabricating Inc. | Lorain | OH | — | ◇ UNVERIFIED |
| KFKupferle Foundry Company | Saint Louis | MO | — | ◇ UNVERIFIED |
| KSKurland Steel CO | Urbana | IL | — | ◇ UNVERIFIED |
| KCKwik Cutting & Grinding | Compton | CA | — | ◇ UNVERIFIED |
| KSKyoei Steel Group | Anthony | TX | — | ◇ UNVERIFIED |
| LLLamar, LLC | Lumberton | MS | — | ◇ UNVERIFIED |
| LQLa Quinta Plant | Portland | TX | — | ◇ UNVERIFIED |
| LQLa Quinta Plant | Portland | TX | — | ◇ UNVERIFIED |
| LILarco Industries INC | San Jose | CA | — | ◇ UNVERIFIED |
| LILarry Iron Works INC. | Bronx | NY | — | ◇ UNVERIFIED |
| LMLasser Machine Shop LLC | Nogales | AZ | — | ◇ UNVERIFIED |
| LHLawson Hughes CO INC | South El Monte | CA | — | ◇ UNVERIFIED |
| LFLb Foster Company- Arp Plant | Pueblo | CO | — | ◇ UNVERIFIED |
 Leggett & Platt, Incorporated | Solon | OH | — | ◇ UNVERIFIED |
| LALeo's Automotive LLC | Littleton | CO | — | ◇ UNVERIFIED |
| LTLevy Texas Mill Services | Sinton | TX | — | ◇ UNVERIFIED |
| LSLexington Steel CORP | Bedford Park | IL | — | ◇ UNVERIFIED |
| LSLexington Steel Corporation | Los Angeles | CA | — | ◇ UNVERIFIED |
| LSLiberty Steel Georgetown | Georgetown | SC | — | ◇ UNVERIFIED |
| LSLiberty Steel Laplace, INC. | Laplace | LA | — | ◇ UNVERIFIED |
| LSLinear Shower Drains, LLC | Ponte Vedra | FL | — | ◇ UNVERIFIED |
| LCLiska Constructors Dba Aeroforming | Paramount | CA | — | ◇ UNVERIFIED |
| LTLitesteel Technologies | Troutville | VA | — | ◇ UNVERIFIED |
| LOLive Oak Metal Works & Supply, LLC | Florence | SC | — | ◇ UNVERIFIED |
| LMLockheed Martin Sippican | Marion | MA | — | ◇ UNVERIFIED |
| LRLock Ridge Tool Company INC | Upland | CA | — | ◇ UNVERIFIED |
| LELockwood Enterprise, LLC | Aitkin | MN | — | ◇ UNVERIFIED |
| LALos Angeles Pump and Valve Products | Huntington Park | CA | — | ◇ UNVERIFIED |
| LALos Angeles Pump and Valve Products, Inc. | Huntington Park | CA | — | ◇ UNVERIFIED |
| LILowell Industries INC | Portland | TN | — | ◇ UNVERIFIED |
| LWLucky Welding & Iron, Sung Chang, Dba | Los Angeles | CA | — | ◇ UNVERIFIED |
| MGMaggi Gutierrez | Compton | CA | — | ◇ UNVERIFIED |
| MMMagic Metals, INC | Palmer | AK | — | ◇ UNVERIFIED |
 Magnetic Metals Corporation | Camden | NJ | — | ◇ UNVERIFIED |
| MSMajestic Steel Usa, INC. | Grand Prairie | TX | — | ◇ UNVERIFIED |
| MMMan-sea Metal, INC. | Mount Zion | IL | — | ◇ UNVERIFIED |
| MWMansell Welding, INC. | Lk Havasu Cty | AZ | — | ◇ UNVERIFIED |
| MAMapes and Sprowl Steel, LTD. | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| MWMarcon Wire Products | North Kansas City | MO | — | ◇ UNVERIFIED |
| MAMaruichi American CORP | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| MCMaster Cutting & Engineering INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| MHMaster Halco INC | Canton | MA | — | ◇ UNVERIFIED |
| MMMaster Machine & Repair Corporation | Bedford Park | IL | — | ◇ UNVERIFIED |
| MIM-b Industries Wwtp | Rosman | NC | — | ◇ UNVERIFIED |
| MBM & B Property LLC | Brandon | MN | — | ◇ UNVERIFIED |
| MSMckinsey Steel & Supply of Florida INC. | Lauderdale Lakes | FL | — | ◇ UNVERIFIED |
| MSMclouth Steel Gibraltar Plant | Gibraltar | MI | — | ◇ UNVERIFIED |
