| 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 |
