| KLKamax LP | Albuquerque | NM | — | ◇ UNVERIFIED |
| KBKaydon Bearing CO | Muskegon | MI | — | ◇ UNVERIFIED |
| KCKaydon CORP Plant 12 | Sumter | SC | — | ◇ UNVERIFIED |
 Kaydon Ring & Seal INC | Baltimore | MD | — | ◇ UNVERIFIED |
| KCKearfott Corporation | Montville Twp | NJ | — | ◇ UNVERIFIED |
| KCKearfott Corporation Motion Systems Division | Black Mountain | NC | — | ◇ UNVERIFIED |
| KGKearfott Guidance and Navigation | Little Falls | NJ | — | ◇ UNVERIFIED |
| KTKelly Tool & Mfg CO INC | Alhambra | CA | — | ◇ UNVERIFIED |
| KIKendale Industries INC | Independence | OH | — | ◇ UNVERIFIED |
| KOKern Oil Filter Recycling LLC | Benicia | CA | — | ◇ UNVERIFIED |
| KEKeystone Engineering CO | Los Angeles | CA | — | ◇ UNVERIFIED |
| KKKha Kenny Products INC. | Fountain Valley | CA | — | ◇ UNVERIFIED |
| KLKinematics, LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
 Kinney Manufacturing CO | Van Nuys | CA | — | ◇ UNVERIFIED |
| KKK & K Screw Products LLC | Glendale Heights | IL | — | ◇ UNVERIFIED |
| KPKksp Precision Machining | Pleasant Prairie | WI | — | ◇ UNVERIFIED |
| KAK&l Auto Worx INC Dba Auto Revival | Rancho Cordova | CA | — | ◇ UNVERIFIED |
 Klein Marine Systems | Newburyport | MA | — | ◇ UNVERIFIED |
| KBKoyo Bearings North America LLC | Orangeburg | SC | — | ◇ UNVERIFIED |
| KIKP Industrial, Inc. | Newark | NY | — | ◇ UNVERIFIED |
| KMKsb Mechanical, INC. | Lancaster | CA | — | ◇ UNVERIFIED |
| KBK-t Bolt Manufacturing | Katy | TX | — | ◇ UNVERIFIED |
| LAL3 Aviation Products INC | Sarasota | FL | — | ◇ UNVERIFIED |
| LCL-3 Communications | Fort Drum | NY | — | ◇ UNVERIFIED |
| LCL-3 Communications Avionics System INC | Grand Rapids | MI | — | ◇ UNVERIFIED |
| LCL3 Communications, Interstate Electronic | Anaheim | CA | — | ◇ UNVERIFIED |
| LCL-3 Communications - Titan CORP Linkablt Div | Melbourne | FL | — | ◇ UNVERIFIED |
| LCL3 Communications Wescam | Healdsburg | CA | — | ◇ UNVERIFIED |
| LAL3harris - Alst | Orlando | FL | — | ◇ UNVERIFIED |
 L3harris Cincinnati Electronics Dba Sonoma Eo | Santa Rosa | CA | — | ◇ UNVERIFIED |
| LIL3harris - Interstate Electronics Corporation | Yorba Linda | CA | — | ◇ UNVERIFIED |
| LL3harris-oceanserver | Imperial Beach | CA | — | ◇ UNVERIFIED |
| LOL3harris Oceanserver INC | Fall River | MA | — | ◇ UNVERIFIED |
| LRL3harris Randtron Antenna Systems | Menlo Park | CA | — | ◇ UNVERIFIED |
| LRL3harris - Randtron Antenna Systems - Small Antenna Suite 1 | San Leandro | CA | — | ◇ UNVERIFIED |
| LTL3harris Technologies | Mount Olive | NJ | — | ◇ UNVERIFIED |
| LTL3harris Technologies INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| L3L 3 Interstate Electronics Corporation | Anaheim | CA | — | ◇ UNVERIFIED |
| LTL3 Technologies | Fort Belvoir | VA | — | ◇ UNVERIFIED |
| LTL3 Technologies Link Simulation & Training | Binghamton | NY | — | ◇ UNVERIFIED |
| LSLafox Screw Products, INC. | South Elgin | IL | — | ◇ UNVERIFIED |
| LGLamons Gasket Company | Rancho Dominguez | CA | — | ◇ UNVERIFIED |
| LALang Automotive | Lake Forest | CA | — | ◇ UNVERIFIED |
| LTL.a. Turbine | Valencia | CA | — | ◇ UNVERIFIED |
| LPLd Precision Machining INC | Cedar City | UT | — | ◇ UNVERIFIED |
| LILeidos INC | Vista | CA | — | ◇ UNVERIFIED |
| LMLighthouse Microwave | Wenona | IL | — | ◇ UNVERIFIED |
| LTLindsay Transportation Solutions | Rio Vista | CA | — | ◇ UNVERIFIED |
| LKLindstrom & King | Paterson | NJ | — | ◇ UNVERIFIED |
| LBLink-belt Bearing-rexnord Corporation | Indianapolis | IN | — | ◇ UNVERIFIED |
| LGLinn Gear Company | Lebanon | OR | — | ◇ UNVERIFIED |
| LALitton Advanced Systems INC | San Jose | CA | — | ◇ UNVERIFIED |
| LALitton Advanced Systems INC | San Jose | CA | — | ◇ UNVERIFIED |
| LGLitton Guidance and Control Sy | Northridge | CA | — | ◇ UNVERIFIED |
| LGLitton Guidance & Control Sys | Woodland Hills | CA | — | ◇ UNVERIFIED |
| LMLitton Marine Systems | Charlottesville | VA | — | ◇ UNVERIFIED |
| LSLitton Sys INC Guidance & Control Sys | Goleta | CA | — | ◇ UNVERIFIED |
| LML & M Manufacturing Company, INC. | New Hartford | CT | — | ◇ UNVERIFIED |
| LMLockheed Martin | Pearl Harbor | HI | — | ◇ UNVERIFIED |
| LMLockheed Martin | Hill Air Force Base | UT | — | ◇ UNVERIFIED |
| LMLockheed Martin | Colorado Springs | CO | — | ◇ UNVERIFIED |
| LMLockheed Martin at East Coast Repair and Fabrication | Newport News | VA | — | ◇ UNVERIFIED |
| LMLockheed Martin at Nassco Norfolk | Norfolk | VA | — | ◇ UNVERIFIED |
| LMLockheed Martin at Nbsd | San Diego | CA | — | ◇ UNVERIFIED |
| LMLockheed Martin Corporation | Kings Bay | GA | — | ◇ UNVERIFIED |
| LMLockheed Martin Corporation | Syracuse | NY | — | ◇ UNVERIFIED |
| LMLockheed Martin Corporation | Colorado Springs | CO | — | ◇ UNVERIFIED |
| LMLockheed Martin Laser and Sensor Systems Bothell | Bothell | WA | — | ◇ UNVERIFIED |
| LMLockheed Martin Mission Systems and Training | Riviera Beach | FL | — | ◇ UNVERIFIED |
| LMLockheed Martin Rms at Norfolk Naval Station | Norfolk | VA | — | ◇ UNVERIFIED |
| LMLockheed Martin - Sb Focalplane | Goleta | CA | — | ◇ UNVERIFIED |
| LMLockheed Martin, Sof Glss | Fort Walton Beach | FL | — | ◇ UNVERIFIED |
| LMLockheed Martin Tact/archbald | Archbald | PA | — | ◇ UNVERIFIED |
| LTLocknut Technology INC. | Addison | IL | — | ◇ UNVERIFIED |
| LCLogicraft Corporation | Buffalo Grove | IL | — | ◇ UNVERIFIED |
| LILok-mor, INC. | Mansfield | TX | — | ◇ UNVERIFIED |
 Luminar Technologies, INC | Orlando | FL | — | ◇ UNVERIFIED |
| LTLuminar Technoloties, INC | Orlando | FL | — | ◇ UNVERIFIED |
| MMachfinish | Palmdale | CA | — | ◇ UNVERIFIED |
| MCMaclean-fogg Component Solutions | Chesterfield | MI | — | ◇ UNVERIFIED |
| MSMaclean Saegertown Llc/saegertown | Saegertown | PA | — | ◇ UNVERIFIED |
| MVMadden Ventures, INC. | Mundelein | IL | — | ◇ UNVERIFIED |
| MAMaflhy Auto LLC | Pompano Beach | FL | — | ◇ UNVERIFIED |
| MSMagnus Screw Products | Chicago | IL | — | ◇ UNVERIFIED |
| MMMar-bro Manufacturing, INC. | Phoenix | AZ | — | ◇ UNVERIFIED |
| MSMarket Spectrum Inc. | Charlotte | NC | — | ◇ UNVERIFIED |
| MSMarket Spectrum Inc. | Charlotte | NC | — | ◇ UNVERIFIED |
| MCMartin Conveyor Division | Mansfield | TX | — | ◇ UNVERIFIED |
| MMMartin Machine Works, INC. | Decaturville | TN | — | ◇ UNVERIFIED |
| MMMartin Marietta Laboratories | Halethorpe | MD | — | ◇ UNVERIFIED |
| MDMasterline Design & Mfg INC | Harrison Township | MI | — | ◇ UNVERIFIED |
| MPMaster Power Transmission | Columbus | IN | — | ◇ UNVERIFIED |
| MVMax Viz INC | Tigard | OR | — | ◇ UNVERIFIED |
| MRMCA Real Estate Investments LLC | Palmdale | CA | — | ◇ UNVERIFIED |
| MPMcdaniel Products, INC. | Mansfield | OH | — | ◇ UNVERIFIED |
| MDMcdonnell Douglas Helicopter CO | Culver City | CA | — | ◇ UNVERIFIED |
| MMMcgill Manufacturing Company | Valparaiso | IN | — | ◇ UNVERIFIED |
| MDMeggitt (san Diego), INC. | San Diego | CA | — | ◇ UNVERIFIED |
| MLMerlin Labs INC. | North Kingstown | RI | — | ◇ UNVERIFIED |
| MMMetal Marine Pilot INC | Fircrest | WA | — | ◇ UNVERIFIED |
