| LGLeach & Garner CO | North Attleboro | MA | — | ◇ UNVERIFIED |
| LILeveltek International L.L.C. | Burgettstown | PA | — | ◇ UNVERIFIED |
| LSLexington Steel CORP | Bedford Park | IL | — | ◇ UNVERIFIED |
| LMLiberty Mfg INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| LCLiska Constructors Dba Aeroforming | Paramount | CA | — | ◇ UNVERIFIED |
| LTLitesteel Technologies | Troutville | VA | — | ◇ UNVERIFIED |
| LSLitton Sys INC Kester Solder | Anaheim | CA | — | ◇ UNVERIFIED |
| LOLive Oak Metal Works & Supply, LLC | Florence | SC | — | ◇ 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 |
| MIMacristy Industries, INC. | New Britain | CT | — | ◇ UNVERIFIED |
| MGMaggi Gutierrez | Compton | CA | — | ◇ UNVERIFIED |
| MMMagic Metals, INC | Palmer | AK | — | ◇ UNVERIFIED |
 Magnetic Metals Corporation | Camden | NJ | — | ◇ UNVERIFIED |
| MPMairec Precious Metals | Spartanburg | SC | — | ◇ UNVERIFIED |
| MSMajestic Steel Usa, INC. | Grand Prairie | TX | — | ◇ UNVERIFIED |
| MMMan-sea Metal, INC. | Mount Zion | IL | — | ◇ UNVERIFIED |
| MAMapes and Sprowl Steel, LTD. | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| MPMarshall Plant | Scottsville | TX | — | ◇ UNVERIFIED |
| MMMaster Machine & Repair Corporation | Bedford Park | IL | — | ◇ 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 |
| MIMcr Industries LLC | Morristown | TN | — | ◇ UNVERIFIED |
| MCMemry Corporation | Menlo Park | CA | — | ◇ UNVERIFIED |
 Metal Culverts INC M & M Highway Materials Div | Columbia | MO | — | ◇ UNVERIFIED |
| MEMetalor Electrotechnics USA Corp/plt 5 | Delmont | PA | — | ◇ UNVERIFIED |
| MRMetal Resource INC. | Hinsdale | IL | — | ◇ UNVERIFIED |
| MSMetal Sales Manufacturing Corporation | Otsego | MN | — | ◇ UNVERIFIED |
| MMMetroplex Metal Fabrication | Mesquite | TX | — | ◇ UNVERIFIED |
| MVMiami Valley Steel Service, INC. | Piqua | OH | — | ◇ UNVERIFIED |
| MCMichels & CO Furniture Mfg | Lynwood | CA | — | ◇ UNVERIFIED |
| MSMichigan Steel Industries INC Dba Michigan Steel Strapping | Taylor | MI | — | ◇ UNVERIFIED |
| MIMid-state Industries Operating, INC. | Arcola | IL | — | ◇ UNVERIFIED |
| MMMillerbernd Manufacturing Company | Winsted | MN | — | ◇ UNVERIFIED |
| MMMinteq/specialty Minerals INC | North Canaan | CT | — | ◇ UNVERIFIED |
| MMMission Metals | Rialto | CA | — | ◇ UNVERIFIED |
| MMMk Metalfoils USA INC | Duncan | SC | — | ◇ UNVERIFIED |
| MTMonski Tool* | Elmhurst | IL | — | ◇ UNVERIFIED |
| MSMounsey Steel Products | Erie | MI | — | ◇ UNVERIFIED |
| MIMubea INC | Florence | KY | — | ◇ UNVERIFIED |
| MIMubea INC. | Florence | KY | — | ◇ UNVERIFIED |
| NCNamasco Corporation | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| NMNational Material CO | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| NMNational Material Processing | East Chicago | IN | — | ◇ UNVERIFIED |
| NPNational Processing Company | Chicago | IL | — | ◇ UNVERIFIED |
| NSNational Steel Fabricators | Rice Lake | WI | — | ◇ UNVERIFIED |
| NRNatl Roll Co/vertical Seal CO | Pleasantville | PA | — | ◇ UNVERIFIED |
| NSNaval Support Activity | Mechanicsburg | PA | — | ◇ UNVERIFIED |
| NHNeotiss Hpt INC (formerly Vallourec Heat Exchanger Tubes; Formerly Valtimet, INC | Morristown | TN | — | ◇ UNVERIFIED |
| NCNewark Carting INC | Newark | NJ | — | ◇ UNVERIFIED |
| NPNew Process Steel - Nps | Alsip | IL | — | ◇ UNVERIFIED |
| NYNew York Solder Co., INC. | Bronx | NY | — | ◇ UNVERIFIED |
| NMNexans Magnet Wire INC | La Grange | KY | — | ◇ UNVERIFIED |
| NMNgk Metals CORP | Reading | PA | — | ◇ UNVERIFIED |
| NLNiagara Lasalle Corporation | Chattanooga | TN | — | ◇ UNVERIFIED |
| NLNiagara Lasalle Corporation | Hammond | IN | — | ◇ UNVERIFIED |
| NENickel Electric Inc. | Wallkill | NY | — | ◇ UNVERIFIED |
| NBNielsen & Bainbridge, LLC. | Bridgeview | IL | — | ◇ UNVERIFIED |
| NANorth American Stainless | Ghent | KY | — | ◇ UNVERIFIED |
| NCNorth Coast Steel LLC | Willoughby | OH | — | ◇ UNVERIFIED |
| NENorthern Empire, LLC | Walker | MN | — | ◇ UNVERIFIED |
| NTNss Technologies, INC. | Tyler | TX | — | ◇ UNVERIFIED |
 Nucor Steel Memphis INC | Memphis | TN | — | ◇ UNVERIFIED |
| OSOld School Services | Henderson | TX | — | ◇ UNVERIFIED |
| OSOlympic Steel INC | Detroit | MI | — | ◇ UNVERIFIED |
| OMOmco Midwest Roll Forming | Pierceton | IN | — | ◇ UNVERIFIED |
| OMO'neal Manufacturing Services | Ambridge | PA | — | ◇ UNVERIFIED |
| OSOregon Steel Mills-fontana Div | Fontana | CA | — | ◇ UNVERIFIED |
| OSOsram Sylvania - Closed | Waldoboro | ME | — | ◇ UNVERIFIED |
| OSOutokumpu Stainless | Richburg | SC | — | ◇ UNVERIFIED |
| OSOwens Steel Fabricators, INC. | Dallas | GA | — | ◇ UNVERIFIED |
| PSPacific Steel Group | Bloomington | CA | — | ◇ UNVERIFIED |
| PGPanther Global Technologies | Wixom | MI | — | ◇ UNVERIFIED |
| PMPanther Machine INC | Wixom | MI | — | ◇ UNVERIFIED |
| PMParamount Metals & Supply CO | Paramount | CA | — | ◇ UNVERIFIED |
| PIPaughco, INC | Mound House | NV | — | ◇ UNVERIFIED |
| PFPenny Fabrication | Johnstown | OH | — | ◇ UNVERIFIED |
| PCPerryman Co/frackville | Frackville | PA | — | ◇ UNVERIFIED |
| PWPioneer Welding, LLC | Sauk Rapids | MN | — | ◇ UNVERIFIED |
| PFPittsburgh Flatroll Company | Pittsburgh | PA | — | ◇ UNVERIFIED |
| PKP Kay Metal INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| PSPkm Steel Service - Salina (s Ave C) | Salina | KS | — | ◇ UNVERIFIED |
| PSPowers Solar Frames, LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| PSPowers Steel & Wire Products INC | Phoenix | AZ | — | ◇ UNVERIFIED |
| PKPpc Kinne Road | East Syracuse | NY | — | ◇ UNVERIFIED |
| PSPrecision Specialty Metals INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| PRProfessional Refinishing Org | La Puente | CA | — | ◇ UNVERIFIED |
| PIProfiles INC | Palmer | MA | — | ◇ UNVERIFIED |
| PFPrototype Fabricators Co. | Cleveland | OH | — | ◇ UNVERIFIED |
| PMPsc Metals, INC. | Koppel | PA | — | ◇ UNVERIFIED |
| QAQuailty Automotive | Westminster | CA | — | ◇ UNVERIFIED |
 Quality Aluminum Forge INC | Long Beach | CA | — | ◇ UNVERIFIED |
| QEQuality Engineered Steels, LLC Dba Wv Cold Drawn | Point Pleasant | WV | — | ◇ UNVERIFIED |
 Quality Metal Works | Plant City | FL | — | ◇ UNVERIFIED |
| RGRaiden Group Site Development | Atwood | KS | — | ◇ UNVERIFIED |
| RMRead Manufacturing Co., INC. | Holbrook | NY | — | ◇ UNVERIFIED |
