| LILockhart Ind INC | Paramount | CA | — | ◇ UNVERIFIED |
| LMLockheed Martin | Akron | OH | — | ◇ UNVERIFIED |
| LMLockheed Martin Space Operations | Bay Saint Louis | MS | — | ◇ UNVERIFIED |
| LPLodi Pattern & Mfg CO | Lodi | CA | — | ◇ UNVERIFIED |
| LFLoflin Fabrication LLC | Denton | NC | — | ◇ UNVERIFIED |
| LCLogan Corporation INC | Salyersville | KY | — | ◇ UNVERIFIED |
| LMLogic Metals Technology | Garland | TX | — | ◇ UNVERIFIED |
| LTLonestar Tooling Solutions | San Antonio | TX | — | ◇ UNVERIFIED |
| LALoral Aeronutronic | Newport Beach | CA | — | ◇ UNVERIFIED |
| LCLoren Cook Co-barnes St Plant | Springfield | MO | — | ◇ UNVERIFIED |
| LPLoren Products | Lawrence | MA | — | ◇ UNVERIFIED |
| LMLoughberry Manufacturing Corporation | Saratoga Springs | NY | — | ◇ UNVERIFIED |
| LBLouisiana Burner | Pineville | LA | — | ◇ UNVERIFIED |
| LPLouis Padnos Iron & Metal CO | Grand Rapids | MI | — | ◇ UNVERIFIED |
| LALouvers and Equipment Manufacturing, Inc., Dba Lemi | Owasso | OK | — | ◇ UNVERIFIED |
| LLLovely Landing Properties LLC | Price | UT | — | ◇ UNVERIFIED |
| LOLozier Oil Company, INC. | East Peoria | IL | — | ◇ UNVERIFIED |
| LML.p. Machine & Tool Service Company LLC | Indian Mills | NJ | — | ◇ UNVERIFIED |
| LILTD Industries | Lewistown | IL | — | ◇ UNVERIFIED |
| LELt Enterprises of Ohio | North Canton | OH | — | ◇ UNVERIFIED |
| LELucky Enterprises Cargo INC | Stockton | CA | — | ◇ UNVERIFIED |
| LGLucky Gate CO | Platteville | CO | — | ◇ UNVERIFIED |
| LWLudlow Wwt | Ludlow, Town of | MA | — | ◇ UNVERIFIED |
| LWLudlow Wwtp | Ludlow | MA | — | ◇ UNVERIFIED |
| LMLueck Metal Recycling, LLC | Watertown | WI | — | ◇ UNVERIFIED |
| LILufkin Industries, INC Foundry Division | Lufkin | TX | — | ◇ UNVERIFIED |
| LALuis Alonso Delgadillo Chavez | Paramount | CA | — | ◇ UNVERIFIED |
| LTLujan Transport | Oxnard | CA | — | ◇ UNVERIFIED |
| LSLundeen Steel Fabrication INC | Sandy | OR | — | ◇ UNVERIFIED |
| LILund International/realtruck | Howe | IN | — | ◇ UNVERIFIED |
 Lund Manufacturing LLC Dba Lund Dock & Lift | Royalton | MN | — | ◇ UNVERIFIED |
| LILur INC Dba Lumar Metals | Pomona | CA | — | ◇ UNVERIFIED |
| LSLuxury Sink Products CORP | Anaheim | CA | — | ◇ UNVERIFIED |
| LLLyn-mor LLC | Tullahoma | TN | — | ◇ UNVERIFIED |
| LTLyons Tool and Machine INC. | Lyons | GA | — | ◇ UNVERIFIED |
| MMM2 Modern Metal, LLC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| MRMaas Radiator Shop INC | Bloomington | IL | — | ◇ UNVERIFIED |
| MAMacadam Aluminum & Bronze CO | Portland | OR | — | ◇ UNVERIFIED |
| MCMachine Craft San Diego | San Diego | CA | — | ◇ UNVERIFIED |
| MMMachinery Manufacturer LLC | San Bernardino | CA | — | ◇ UNVERIFIED |
| MTMachine Tool Masters, INC. | Pensacola | FL | — | ◇ UNVERIFIED |
| MCMachining Concepts, Inc. | Cambridge | MN | — | ◇ UNVERIFIED |
| MGMachinists Group Corporation | Gilroy | CA | — | ◇ UNVERIFIED |
| MIMachinists INC | Seattle | WA | — | ◇ UNVERIFIED |
 Mac Industries | Fontana | CA | — | ◇ UNVERIFIED |
| MRMAC RAK, Inc. | Moberly | MO | — | ◇ UNVERIFIED |
| MMMadar Metal Fabricating LLC | Lansing | MI | — | ◇ UNVERIFIED |
| MHMad House Customs LLC | Denver | NC | — | ◇ UNVERIFIED |
| MMMadison Manufacturing Inc. | Bremen | IN | — | ◇ UNVERIFIED |
| MIMadruga Iron Works, INC. | Tracy | CA | — | ◇ UNVERIFIED |
| MIMaf Industries | Traver | CA | — | ◇ UNVERIFIED |
| MDMagalee Designs, LLC | Eugene | OR | — | ◇ UNVERIFIED |
| MRMagical Rubbish | Moses Lake | WA | — | ◇ UNVERIFIED |
| MCMagic Cleaners | Portland | OR | — | ◇ UNVERIFIED |
| MCMagna Composites L.l.c. | Newton | NC | — | ◇ UNVERIFIED |
| MIMagna International | Muncie | IN | — | ◇ UNVERIFIED |
| MMagnaloy | Alpena | MI | — | ◇ UNVERIFIED |
| MSMagnetic Sales & Manufacturing CO. INC | Tucson | AZ | — | ◇ UNVERIFIED |
| MSMagnetic Specialties INC | Clackamas | OR | — | ◇ UNVERIFIED |
| MMMagnum Magnetics | Caldwell | OH | — | ◇ UNVERIFIED |
| MSMagnum Steel Works, Inc | Mount Vernon | IL | — | ◇ UNVERIFIED |
| MIMaine Ind Tire Llc/red Lion | Red Lion | PA | — | ◇ UNVERIFIED |
| MLMainline LLC | Shelby Gap | KY | — | ◇ UNVERIFIED |
| MSMain St. Machine & Repair LLC | Saint Paul | OR | — | ◇ UNVERIFIED |
| MCMaintainer CORP of Ky INC | Hopkinsville | KY | — | ◇ UNVERIFIED |
| MCMajX CNC | Tempe | AZ | — | ◇ UNVERIFIED |
| MIMallin Industries, LLC | Fairfield | AL | — | ◇ UNVERIFIED |
| MFMalm Fireplaces INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
| MMalo | Tulsa | OK | — | ◇ UNVERIFIED |
| MSMangels Sheet Metal, INC | Alexandria | LA | — | ◇ UNVERIFIED |
| MSManheim Specialty Machine, Incorporated | Manheim | PA | — | ◇ UNVERIFIED |
| MMManitou Manufacturing Company | White Bear Lake | MN | — | ◇ UNVERIFIED |
| MDMann Distribution LLC | Warwick | RI | — | ◇ UNVERIFIED |
| MEManning Equipment Company | Louisville | KY | — | ◇ UNVERIFIED |
| MAMansell and Associates, LLC | Tuscumbia | AL | — | ◇ UNVERIFIED |
| MEMape Engineering INC. | Colton | CA | — | ◇ UNVERIFIED |
| MPMapleton Properties LLC | Spanish Fork | UT | — | ◇ UNVERIFIED |
| MOMap of Easton, INC. | Granger | IN | — | ◇ UNVERIFIED |
| MEMarathon Equipment Company | Yerington | NV | — | ◇ UNVERIFIED |
| MIMarathon Industries INC | Santa Clarita | CA | — | ◇ UNVERIFIED |
| MIMarathon Industries INC | Palmdale | CA | — | ◇ UNVERIFIED |
| MIMarathon Industries INC | Saugus | CA | — | ◇ UNVERIFIED |
| MPMarch Performance INC | Naples | FL | — | ◇ UNVERIFIED |
| MAMarcums Auto Sales | Irvine | KY | — | ◇ UNVERIFIED |
| MMMarietta Magnetics LLC | Marietta | OH | — | ◇ UNVERIFIED |
| MSMarking Specialists/Polymer Technologies | Buffalo Grove | IL | — | ◇ UNVERIFIED |
 Markins Enterprise, LLC | Apache Junction | AZ | — | ◇ UNVERIFIED |
| MPMark Peiser Manufacturing, Inc. | Tavares | FL | — | ◇ UNVERIFIED |
| MVMark Vii Equipment Incorporated | Arvada | CO | — | ◇ UNVERIFIED |
| MIMaro International Corporation | Tulsa | OK | — | ◇ UNVERIFIED |
| MLMarrick, LLC | Chesapeake | VA | — | ◇ UNVERIFIED |
| MEMarro's Equipment & Trucks INC. | Waterloo | NY | — | ◇ UNVERIFIED |
| MPMar-tech Precision, LLC | Hackettstown | NJ | — | ◇ UNVERIFIED |
| MDMartell Design and Fabrication LLC | Saco | ME | — | ◇ UNVERIFIED |
| MMartin | San Diego | CA | — | ◇ UNVERIFIED |
| MEMartin Enterprises | Kennedale | TX | — | ◇ UNVERIFIED |
| MEMartin Enterprises | Nuevo | CA | — | ◇ UNVERIFIED |
| MMMartin Metal Fabricators INC | Salem | OR | — | ◇ UNVERIFIED |
| MMMartin Metalwork LLC | Berea | KY | — | ◇ UNVERIFIED |
| MHMartinrea Hopkinsville LLC | Hopkinsville | KY | — | ◇ UNVERIFIED |
