| JTJf Taylor Inc, (fif Building) | Lexington Park | MD | — | ◇ UNVERIFIED |
| JMJ M Racing INC | Arcadia | CA | — | ◇ UNVERIFIED |
| JEJot Engineering, INC. | San Fernando | CA | — | ◇ UNVERIFIED |
| JJJumbo Jet Leasing INC | Sandston | VA | — | ◇ UNVERIFIED |
| KAKaiser Aircraft Industries, INC | Birmingham | AL | — | ◇ UNVERIFIED |
| KEKaiser Electroprecision | Irvine | CA | — | ◇ UNVERIFIED |
 Kaney Aerospace, Inc. | Dayton | OH | — | ◇ UNVERIFIED |
| KGKapco/ball Glide | Brea | CA | — | ◇ UNVERIFIED |
| KEKap Engineering INC | Pico Rivera | CA | — | ◇ UNVERIFIED |
| KIKarob Instrument, INC. | Ocala | FL | — | ◇ UNVERIFIED |
| KCKearfott Corporation | Montville Twp | NJ | — | ◇ UNVERIFIED |
| KCKearfott Corporation Motion Systems Division | Black Mountain | NC | — | ◇ UNVERIFIED |
| KGKearfott Guidance and Navigation | Little Falls | NJ | — | ◇ UNVERIFIED |
| KDKellstrom Defense Aerospace INC | Miramar | FL | — | ◇ UNVERIFIED |
| KAKelly Aviation Center Bldg 647 2 | San Antonio | TX | — | ◇ UNVERIFIED |
| KOKern Oil Filter Recycling LLC | Benicia | CA | — | ◇ UNVERIFIED |
| KEKeystone Engineering Company | Ontario | CA | — | ◇ UNVERIFIED |
| KGKgp Group, INC. Dba Speqtrum Aerospace | Fort Worth | TX | — | ◇ UNVERIFIED |
| KKirby | Palm Bay | FL | — | ◇ UNVERIFIED |
| KAKirkwood Aviation | Peyton | CO | — | ◇ UNVERIFIED |
| KAK&l Auto Worx INC Dba Auto Revival | Rancho Cordova | CA | — | ◇ UNVERIFIED |
 Klein Marine Systems | Newburyport | MA | — | ◇ UNVERIFIED |
| KUKratos Unmanned Aerial Systems INC | Mcclellan | CA | — | ◇ UNVERIFIED |
| KTKT Tech, Inc. | Fullerton | CA | — | ◇ 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 |
| LALang Automotive | Lake Forest | CA | — | ◇ UNVERIFIED |
| LALanic Aerospace, LLC | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| LILapeer Industries Plt 5 | Lapeer | MI | — | ◇ UNVERIFIED |
| LHLasticks Holdings, Ltd. fka Precision Components Inc | Bellport | NY | — | ◇ UNVERIFIED |
| LILearjet INC | North Hills | CA | — | ◇ UNVERIFIED |
 Lee Aerospace - 34th St (stormwater) | Wichita | KS | — | ◇ UNVERIFIED |
| LILeidos INC | Vista | CA | — | ◇ UNVERIFIED |
| LEL & E Tubing LLC | Lynnwood | WA | — | ◇ UNVERIFIED |
| LTLeya Technology LLC | Gardena | CA | — | ◇ UNVERIFIED |
| LALifeport Armor Technologies | Woodland | WA | — | ◇ UNVERIFIED |
| LILifeport Interiors | Woodland | WA | — | ◇ UNVERIFIED |
| LMLighthouse Microwave | Wenona | IL | — | ◇ UNVERIFIED |
| LBLisa Building LLC | Auburn | WA | — | ◇ 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 |
| LALmi Aerospace Cottonwood Falls, Ks | Cottonwood Falls | KS | — | ◇ UNVERIFIED |
| LALmi Aerospace INC | Auburn | WA | — | ◇ UNVERIFIED |
| LALmi Aerospace, INC (stormwater) | Wichita | KS | — | ◇ UNVERIFIED |
| LMLockheed Martin | Colorado Springs | CO | — | ◇ UNVERIFIED |
| LMLockheed Martin | Hill Air Force Base | UT | — | ◇ UNVERIFIED |
| LMLockheed Martin | Pearl Harbor | HI | — | ◇ UNVERIFIED |
| LMLockheed Martin Aeronautics CO. | Clarksburg | WV | — | ◇ UNVERIFIED |
| LMLockheed Martin Aeroparts INC | Johnstown | PA | — | ◇ 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 | Colorado Springs | CO | — | ◇ UNVERIFIED |
| LMLockheed Martin Corporation | Syracuse | NY | — | ◇ 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 Skunk Works | Helendale | CA | — | ◇ UNVERIFIED |
| LMLockheed Martin, Sof Glss | Fort Walton Beach | FL | — | ◇ UNVERIFIED |
| LMLockheed Martin Tact/archbald | Archbald | PA | — | ◇ UNVERIFIED |
 Luminar Technologies, INC | Orlando | FL | — | ◇ UNVERIFIED |
| LTLuminar Technoloties, INC | Orlando | FL | — | ◇ UNVERIFIED |
| LSLuminescent Sys INC | Lebanon | NH | — | ◇ UNVERIFIED |
| MDM9 Dev LLC | Santa Clara | CA | — | ◇ UNVERIFIED |
| MJMagna James LTD Dba Northstar Engineering | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| MAMalibu Aerospace | Blaine | MN | — | ◇ UNVERIFIED |
| MSMarket Spectrum Inc. | Charlotte | NC | — | ◇ UNVERIFIED |
| MSMarket Spectrum Inc. | Charlotte | NC | — | ◇ UNVERIFIED |
| MHMars Hill Properties 50th LLC | Seattle | WA | — | ◇ UNVERIFIED |
| MMMartin Marietta Laboratories | Halethorpe | MD | — | ◇ UNVERIFIED |
| MPMaster Power Transmission INC | Greenville | SC | — | ◇ UNVERIFIED |
 Matrix Composites INC | Rockledge | FL | — | ◇ UNVERIFIED |
| MVMax Viz INC | Tigard | OR | — | ◇ UNVERIFIED |
| MRMCA Real Estate Investments LLC | Palmdale | CA | — | ◇ UNVERIFIED |
| MPMccauley Propeller Systems, INC | Vandalia | OH | — | ◇ UNVERIFIED |
| MDMcdonnel Douglas Missle Systems | Titusville | FL | — | ◇ UNVERIFIED |
| MDMcdonnell Douglas Astronautics CO | Pueblo | CO | — | ◇ UNVERIFIED |
| MDMcdonnell Douglas Helicopter CO | Culver City | CA | — | ◇ UNVERIFIED |
