| JSJsw Steel Holding (usa), INC. | Baytown | TX | — | ◇ UNVERIFIED |
| JSJsw Steel USA Ohio, INC. | Mingo Junction | OH | — | ◇ UNVERIFIED |
| JWJ. W. Burg Machine & Tool, Inc. | Akron | NY | — | ◇ UNVERIFIED |
| JIJw Ironworks, LLC | Spokane | WA | — | ◇ UNVERIFIED |
| KSKairos Supply INC | Gardena | CA | — | ◇ UNVERIFIED |
| KBKauth Bros INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
| KPKBE Precision Products, LLC | New Baltimore | MI | — | ◇ UNVERIFIED |
| KWKBJ Welding Inc | Monroe | WA | — | ◇ UNVERIFIED |
| KMKC Metal Worx, LLC | Kansas City | MO | — | ◇ UNVERIFIED |
| KSKdr Steel | Rialto | CA | — | ◇ UNVERIFIED |
| KRKentucky Roll Forming, LLC | Louisville | KY | — | ◇ UNVERIFIED |
| KSKgel Steel, INC | Riverside | CA | — | ◇ UNVERIFIED |
| KSKgs Steel, INC. | Nashville | TN | — | ◇ UNVERIFIED |
| KRKims Roll Up INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| KMKloeckner Metals CORP. | City of Industry | CA | — | ◇ UNVERIFIED |
| KMKloeckner Metals Corporation | Bensalem | PA | — | ◇ UNVERIFIED |
| KNK. N. M. Industries, INC. | Harwood Heights | IL | — | ◇ UNVERIFIED |
| KIK.n.m. Industries, INC. Dba Lexco Cable | Norridge | IL | — | ◇ UNVERIFIED |
| KHKozba Holdings LLC | Billings | MT | — | ◇ UNVERIFIED |
| KCKwik Cutting & Grinding | Compton | CA | — | ◇ UNVERIFIED |
 Kw Steel Structures, LLC | Quincy | MA | — | ◇ UNVERIFIED |
| KSKyoei Steel Group | Anthony | TX | — | ◇ UNVERIFIED |
| LTLaguna Tubular Products Corporation | Houston | TX | — | ◇ UNVERIFIED |
 Lane Enterprises, INC. | Statesville | NC | — | ◇ UNVERIFIED |
| LILarry Iron Works INC. | Bronx | NY | — | ◇ UNVERIFIED |
| LMLasser Machine Shop LLC | Nogales | AZ | — | ◇ UNVERIFIED |
| LFLb Foster Company- Arp Plant | Pueblo | CO | — | ◇ UNVERIFIED |
| LTLeavitt Tube Co., LLC | Northbrook | IL | — | ◇ UNVERIFIED |
| LALeggett and Platt INC Dba Parthenon Metal Works | La Vergne | TN | — | ◇ UNVERIFIED |
| LCLennie Construction CORP. | New York | NY | — | ◇ UNVERIFIED |
| LALeo's Automotive LLC | Littleton | CO | — | ◇ UNVERIFIED |
| LTLevy Texas Mill Services | Sinton | TX | — | ◇ UNVERIFIED |
| LSLexington Steel Corporation | Los Angeles | CA | — | ◇ UNVERIFIED |
| LCLGV Coupling, Inc. | Shafter | CA | — | ◇ UNVERIFIED |
| LSLiberty Steel Georgetown | Georgetown | SC | — | ◇ UNVERIFIED |
| LSLiberty Steel Laplace, INC. | Laplace | LA | — | ◇ UNVERIFIED |
| LMLincoln Manufacturing | Houston | TX | — | ◇ UNVERIFIED |
| LSLinear Shower Drains, LLC | Ponte Vedra | FL | — | ◇ UNVERIFIED |
| LPLined Pipe Systems LLC | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| LILmc Industrial Contracting, INC. | Rochester | NY | — | ◇ UNVERIFIED |
| LJLock Joint Tube - Ireland Rd | South Bend | IN | — | ◇ UNVERIFIED |
| LMLoc Mfg INC | San Jose | CA | — | ◇ UNVERIFIED |
| MAMad Acres LLC | Morrison | CO | — | ◇ UNVERIFIED |
| MFMaeco Fabrication, INC. | Biloxi | MS | — | ◇ UNVERIFIED |
| MWMansell Welding, INC. | Lk Havasu Cty | AZ | — | ◇ UNVERIFIED |
| MMMantua Manufacturing Company | Stoughton | MA | — | ◇ UNVERIFIED |
| MCManufactured Component Parts, LTD | Houston | TX | — | ◇ UNVERIFIED |
| MVMarco Velasquez-medina | San Marcos | CA | — | ◇ UNVERIFIED |
| MJMario Juarez-perez | El Cajon | CA | — | ◇ UNVERIFIED |
| MAMaruichi American CORP | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| MMMaryland Metals Processing, INC. | Sparrows Point | MD | — | ◇ UNVERIFIED |
| MCMaster Cutting & Engineering INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| MCMaverick C-p INC Dba Republic Conduit | Pleasure Ridge Park | KY | — | ◇ UNVERIFIED |
| MHMCM Holdings LLC | Minnesota City | MN | — | ◇ UNVERIFIED |
| MFMercedes Fabricating, INC. | Chicago Heights | IL | — | ◇ UNVERIFIED |
| MTMetalcraft Tool & Die INC. | Ixonia | WI | — | ◇ UNVERIFIED |
| MIMetal-matic INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| MPMetal Partners Rebar, LLC | Chicago | IL | — | ◇ UNVERIFIED |
| MPMetal Powder Prod/st Marys | Saint Marys | PA | — | ◇ UNVERIFIED |
| MTMetal Tech Products, INC | Detroit | MI | — | ◇ UNVERIFIED |
| MSMetro Steel and Pipe Supply, INC | Leesburg | FL | — | ◇ UNVERIFIED |
| MSMetro Steel & Pipe Supply, INC. | Tavares | FL | — | ◇ UNVERIFIED |
| MIMetzgermoore, INC. | Atlanta | GA | — | ◇ UNVERIFIED |
| MMMichael Miraula | North Hollywood | CA | — | ◇ UNVERIFIED |
| MMMicron Manufacturing Inc. | LaGrange | OH | — | ◇ UNVERIFIED |
| MCMid-south Control Line | Houston | TX | — | ◇ UNVERIFIED |
| MIMidwest Industrial Contract Services LLC | Youngstown | OH | — | ◇ UNVERIFIED |
| MIMidwest Industrial Contract Services, LLC | Girard | OH | — | ◇ UNVERIFIED |
| MIMiranda Iron Works Inc. | Lake Elsinore | CA | — | ◇ UNVERIFIED |
| MEMirin Enterprises LLC | Seagoville | TX | — | ◇ UNVERIFIED |
| MSMiss Steel LLC | Mechanicville | NY | — | ◇ UNVERIFIED |
| MSMiss Steel LLC | Clifton Park | NY | — | ◇ UNVERIFIED |
| MCMiw Corporation | Fall River | MA | — | ◇ UNVERIFIED |
| MIMK Industries, LLC | Seattle | WA | — | ◇ UNVERIFIED |
| MSMlp Steel, LLC | Everson | PA | — | ◇ UNVERIFIED |
| MIM&m International | South Plainfield | NJ | — | ◇ UNVERIFIED |
| MMM & M Precision LLC | Lockport | NY | — | ◇ UNVERIFIED |
| MMM & M Sheet Metal & Steel Fabricators | Williamsport | PA | — | ◇ UNVERIFIED |
| MIMola Iron Works | Jersey City | NJ | — | ◇ UNVERIFIED |
| MIMtm Industrial | Oceanside | CA | — | ◇ UNVERIFIED |
| MEMvi Engineering & Manufacturing INC | Ontario | CA | — | ◇ UNVERIFIED |
| MAMzg Associates Ii LLC | Chicago Heights | IL | — | ◇ UNVERIFIED |
| NPNamco Precision Corp | Seattle | WA | — | ◇ UNVERIFIED |
| NRNapa Redevelopment Partners, LLC | Napa | CA | — | ◇ UNVERIFIED |
| NMNational Material Processing, LLC | Chicago | IL | — | ◇ UNVERIFIED |
| NPNational Processing Company | Chicago | IL | — | ◇ UNVERIFIED |
| NANew Age Design & Tool, Inc. | Lagrange | OH | — | ◇ UNVERIFIED |
| NANorth American Container Corporation | Newnan | GA | — | ◇ UNVERIFIED |
| NANorth American Stainless | Ghent | KY | — | ◇ UNVERIFIED |
| NINorthrock Industries, Inc. | Bohemia | NY | — | ◇ UNVERIFIED |
| NSNorth South Machinery INC. | La Mirada | CA | — | ◇ UNVERIFIED |
| NSNorth Star Steel Arizona | Golden Valley | AZ | — | ◇ UNVERIFIED |
| NPNorthwest Pipe Company, LLC | Tracy | CA | — | ◇ UNVERIFIED |
| NPNorthwest Pipe-houston | Houston | TX | — | ◇ UNVERIFIED |
| NSNorthwest Short Line, LLC | Hamilton | MT | — | ◇ UNVERIFIED |
| NTNov Tubescope | Odessa | TX | — | ◇ UNVERIFIED |
| NCNucor Castrip Arkansas, LLC | Blytheville | AR | — | ◇ UNVERIFIED |
| NCNucor Corporation Steel Mill | Plymouth | UT | — | ◇ UNVERIFIED |
| NDNucor Dc Warehouse | Birmingham | AL | — | ◇ UNVERIFIED |
| NSNucor Steel Longview | Longview | TX | — | ◇ UNVERIFIED |
