| KKp-martin | Fort Bragg | NC | — | ◇ UNVERIFIED |
| KIKratos Industries, LLC | Arvada | CO | — | ◇ UNVERIFIED |
| KIKruzo Instruments, LLC | Cleveland | OH | — | ◇ UNVERIFIED |
| LCLacorte Companies INC. | Troy | NY | — | ◇ UNVERIFIED |
| LELakeland Electrical Motor Services, INC. | Comstock Park | MI | — | ◇ UNVERIFIED |
| LMLanda Mobile Systems | Tulsa | OK | — | ◇ UNVERIFIED |
| LWLangford Welding & Fabrication | Roberta | GA | — | ◇ UNVERIFIED |
| LCLas Cruces OC LLC | Placentia | CA | — | ◇ UNVERIFIED |
| LELaskow Enterprises INC Dba Lei Products | Madisonville | KY | — | ◇ UNVERIFIED |
| LHLBI Holdings, LLC | Ironwood | MI | — | ◇ UNVERIFIED |
| LLLectraheat, LTD | Lebanon | OH | — | ◇ UNVERIFIED |
| LLectrolyst | Wilmington | DE | — | ◇ UNVERIFIED |
| LILee Iron & Metal CO INC | Sanford | NC | — | ◇ UNVERIFIED |
| LTLegacy Teledata Services, LLC | Denver | CO | — | ◇ UNVERIFIED |
| LWLegendary Welding Services, LLC | Carlsbad | NM | — | ◇ UNVERIFIED |
| LWLeggs Welding INC | Bickmore | WV | — | ◇ UNVERIFIED |
| LHLevel Home INC | Redwood City | CA | — | ◇ UNVERIFIED |
| LMLeviton Mfg Pacific Electricord CO | Gardena | CA | — | ◇ UNVERIFIED |
| LWLimitless Welding Service LLC | Saint Joseph | MN | — | ◇ UNVERIFIED |
| LELincoln Electric Automation - Churubusco | Churubusco | IN | — | ◇ UNVERIFIED |
| LBLindsey Business Properties, LLC | Azusa | CA | — | ◇ UNVERIFIED |
| LIL.J. Industries, Inc. | Sioux Falls | SD | — | ◇ UNVERIFIED |
| LJL J Industries INC | Sioux Falls | SD | — | ◇ UNVERIFIED |
| LILK Industries Products LLC | Houston | TX | — | ◇ UNVERIFIED |
 Lockheed Martin Global Training & Logist | Orlando | FL | — | ◇ UNVERIFIED |
| LSLocknetics Security Eng | Forestville | CT | — | ◇ UNVERIFIED |
| LCLog City Welding | Dundee | NY | — | ◇ UNVERIFIED |
| LLLogico, LLC | San Diego | CA | — | ◇ UNVERIFIED |
| LSLone Star Instrumentation & Electric CORP. | Hobbs | NM | — | ◇ UNVERIFIED |
| LLLongrange LLC | Franklin | NH | — | ◇ UNVERIFIED |
| LCLoose Cannon Industries , LLC | Kyle | TX | — | ◇ UNVERIFIED |
| LPLos Portales Iron Works | El Paso | TX | — | ◇ UNVERIFIED |
 L&r Manufacturing Company | Kearny | NJ | — | ◇ UNVERIFIED |
| LFLrw Fabricators a Lake Road Welding Co., INC | Wichita Falls | TX | — | ◇ UNVERIFIED |
| LEL&s Electric, INC. | Rothschild | WI | — | ◇ UNVERIFIED |
| LILtj Industrial Services LLC | Rifle | CO | — | ◇ UNVERIFIED |
| LTLucent Technologies Nassau Metals | Staten Island | NY | — | ◇ UNVERIFIED |
| LCLudonja Construction Company, INC. | Fairfax | SC | — | ◇ UNVERIFIED |
| LKLutron Ketra | Austin | TX | — | ◇ UNVERIFIED |
| MIMacair INC | Commerce Township | MI | — | ◇ UNVERIFIED |
| MPMaclean Power Systems, Limited Partnership | Pelham | AL | — | ◇ UNVERIFIED |
| MIMacromatic Industrial Controls, INC. | Waukesha | WI | — | ◇ UNVERIFIED |
| MLMacrovey LLC | Cumming | GA | — | ◇ UNVERIFIED |
| MEMadison Electric INC | College Point | NY | — | ◇ UNVERIFIED |
| MFMagik Flame LLC | La Vergne | TN | — | ◇ UNVERIFIED |
| MIMagneco/matrel, INC. | Gadsden | AL | — | ◇ UNVERIFIED |
| MIMagnequench International, INC. | Anderson | IN | — | ◇ UNVERIFIED |
| MEMain Electric Supply | Chatsworth | CA | — | ◇ UNVERIFIED |
| MIMako Industries INC | Anaheim | CA | — | ◇ UNVERIFIED |
| MWManey Wire and Cable, INC. | Ontario | CA | — | ◇ UNVERIFIED |
| MWMaps Welding | Baytown | TX | — | ◇ UNVERIFIED |
| MWMariott Welding, INC | Bakersfield | CA | — | ◇ UNVERIFIED |
| MSMarket Street Realty, LLC | Green Bay | WI | — | ◇ UNVERIFIED |
| MIMarr Ironworks, INC. | Bakersfield | CA | — | ◇ UNVERIFIED |
| MFMarsh Family Trust | Moorpark | CA | — | ◇ UNVERIFIED |
| MPMartek Power, INC. | Torrance | CA | — | ◇ UNVERIFIED |
| MBMarthon Blanchard Dba R & M Welding | Coats | NC | — | ◇ UNVERIFIED |
| MMMartin's Mobile Welding LLC | Stevenson | WA | — | ◇ UNVERIFIED |
| MWMason-Dixon Welding LLC | Hanover | PA | — | ◇ UNVERIFIED |
| MBMaterion Brush INC | Union Twp | NJ | — | ◇ UNVERIFIED |
 Matrix Industries | Menlo Park | CA | — | ◇ UNVERIFIED |
| MIMatsushita Industrial Equipment CO (miec | Elmhurst | IL | — | ◇ UNVERIFIED |
| MWMatthews Welding L.L.C. | Athens | PA | — | ◇ UNVERIFIED |
| MWMaverick Welding, LLC | Eagle Pass | TX | — | ◇ UNVERIFIED |
| MPMax Pittman Welding | Canton | GA | — | ◇ UNVERIFIED |
| MYMax Yely Welding, CORP | Miami | FL | — | ◇ UNVERIFIED |
| MPMBVD Properties, LLC | Broadview | IL | — | ◇ UNVERIFIED |
| MTMcCarthy Tax Preparation LLC | Berkeley | CA | — | ◇ UNVERIFIED |
| MRMckenzie Repair, INC. | Saint Paul | MN | — | ◇ UNVERIFIED |
| MRMc Rea CORP | Westland | MI | — | ◇ UNVERIFIED |
| MEMepco Electra | Morristown Town | NJ | — | ◇ UNVERIFIED |
| MSMerlin Solar Technologies, INC | Fresno | CA | — | ◇ UNVERIFIED |
| MMMetal Management Alabama INC | Birmingham | AL | — | ◇ UNVERIFIED |
| MAMicro Arc Welding INC | Worcester | MA | — | ◇ UNVERIFIED |
| MMicrotek | San Diego | CA | — | ◇ UNVERIFIED |
| MIMictron INC | Sarasota | FL | — | ◇ UNVERIFIED |
| MHMidwest Harness and Cable | Greenville | WI | — | ◇ UNVERIFIED |
| MIMidwest Ironworks, LLC | Horace | ND | — | ◇ UNVERIFIED |
| MSMidwest Stainless Technologies, LLC | Menomonie | WI | — | ◇ UNVERIFIED |
| MWMier Welding & Fabrication INC | Thornton | CO | — | ◇ UNVERIFIED |
| MWMilan Welding & Fabrication LLC | Merritt Island | FL | — | ◇ UNVERIFIED |
| MIMilark Industries, INC. | Mansfield | OH | — | ◇ UNVERIFIED |
| MMMilk Motorsports Fabrication LLC | Zanesville | OH | — | ◇ UNVERIFIED |
| MMMills Mobile Welding Service LLC | Harmony | NC | — | ◇ UNVERIFIED |
| MSMillwright Services | Fort Morgan | CO | — | ◇ UNVERIFIED |
| MMMil-Spec Magnetics, Inc. | Albuquerque | NM | — | ◇ UNVERIFIED |
| MCMission Critical Electronics LLC | Costa Mesa | CA | — | ◇ UNVERIFIED |
| MSMj System, LLC | Opelika | AL | — | ◇ UNVERIFIED |
| MWMk Welding & Builds LLC | Fort Collins | CO | — | ◇ UNVERIFIED |
| MTMNSTAR Technologies, Inc. | Grand Rapids | MN | — | ◇ UNVERIFIED |
| MIMono-systems, INC. | Buffalo | NY | — | ◇ UNVERIFIED |
| MWMontemayor Welding | Dawn | TX | — | ◇ UNVERIFIED |
| MDMoore Dry Kiln Company of Ore* | Memphis | TN | — | ◇ UNVERIFIED |
| MIMoto-electric, INC. | Norwalk | OH | — | ◇ UNVERIFIED |
| MSMS Sedco Inc. | Indianapolis | IN | — | ◇ UNVERIFIED |
| MRM-tec Robotic Welding | Washington | PA | — | ◇ UNVERIFIED |
| MSM.t. Steel Fabricators INC. | New York | NY | — | ◇ UNVERIFIED |
| MEMulti-fineline Electronix INC | Anaheim | CA | — | ◇ UNVERIFIED |
| MPMulti Products Company, Inc. | Racine | WI | — | ◇ UNVERIFIED |
| MLMuon LLC | Golden | CO | — | ◇ UNVERIFIED |
