| HCHermeus Corperation | Hawthorne | CA | — | ◇ UNVERIFIED |
| HHoneywell | Irving | TX | — | ◇ UNVERIFIED |
| HAHoneywell Aerospace - Coon Rapids | Coon Rapids | MN | — | ◇ UNVERIFIED |
| HAHoneywell Aerospace - Golden Valley Operations | Golden Valley | MN | — | ◇ UNVERIFIED |
| HAHoneywell Automation & Control Products, Sensing & Control | Woonsocket | RI | — | ◇ UNVERIFIED |
| HIHoneywell International, INC. | Teterboro | NJ | — | ◇ UNVERIFIED |
| HIHoneywell International INC. (synertek) | Santa Clara | CA | — | ◇ UNVERIFIED |
| HAHouston Atlas | Kingwood | TX | — | ◇ UNVERIFIED |
| HGHunter Guages | Yarmouth Port | MA | — | ◇ UNVERIFIED |
| IMIcare Monitoring | Saint Clair Shores | MI | — | ◇ UNVERIFIED |
| IAIdd Aerospace Corporation | Redmond | WA | — | ◇ UNVERIFIED |
 Idex Health & Science | Carlsbad | CA | — | ◇ UNVERIFIED |
| IAIkonic Auto Garage Ikonic Ag LTD | North Hollywood | CA | — | ◇ UNVERIFIED |
| IIImaginant INC. | Pittsford | NY | — | ◇ UNVERIFIED |
| ISIndigo Systems Corporation | Goleta | CA | — | ◇ UNVERIFIED |
| IMInferno Manufacturing Corporation | Shreveport | LA | — | ◇ UNVERIFIED |
| IAInnova Aviation - Aircraft Maintenance | Burbank | CA | — | ◇ UNVERIFIED |
| IIInsco Instrumentation Services INC | Morovis | PR | — | ◇ UNVERIFIED |
| ICInstrument Control Systems INC | Plymouth | MN | — | ◇ UNVERIFIED |
 Intelligent Enclosures, INC. | Sandy | UT | — | ◇ UNVERIFIED |
| ITInternational Temperature Controls INC | Au Gres | MI | — | ◇ UNVERIFIED |
| ITInternational Transducer Division | Santa Barbara | CA | — | ◇ UNVERIFIED |
 Interocean Systems LLC | San Diego | CA | — | ◇ UNVERIFIED |
| ISIntrinsic Safety Equipment of Texas | Pearland | TX | — | ◇ UNVERIFIED |
| ICItt Corporation | Morgan Hill | CA | — | ◇ UNVERIFIED |
| IGItt Gilfillan | Van Nuys | CA | — | ◇ UNVERIFIED |
| JMJagid Management, LLC | Bloomfield | IA | — | ◇ UNVERIFIED |
| JBJ. Beasey LLC | Fort Thomas | KY | — | ◇ UNVERIFIED |
| KEKaiser Electroprecision | Irvine | CA | — | ◇ UNVERIFIED |
| KCKearfott Corporation | Montville Twp | NJ | — | ◇ UNVERIFIED |
| KCKearfott Corporation Motion Systems Division | Black Mountain | NC | — | ◇ UNVERIFIED |
| KGKearfott Guidance and Navigation | Little Falls | NJ | — | ◇ UNVERIFIED |
| KOKern Oil Filter Recycling LLC | Benicia | CA | — | ◇ UNVERIFIED |
| KIKetos INC | Sunnyvale | CA | — | ◇ UNVERIFIED |
| KIKetos INC. | San Jose | CA | — | ◇ UNVERIFIED |
| KKeyence | Saint Louis Park | MN | — | ◇ UNVERIFIED |
| KTKeysight Technologies INC | Rancho Santa Margarita | CA | — | ◇ UNVERIFIED |
| KGKeystone Gas Services LLC | Washington | PA | — | ◇ UNVERIFIED |
| KIKing Instrument CO | Garden Grove | CA | — | ◇ UNVERIFIED |
| KAK&l Auto Worx INC Dba Auto Revival | Rancho Cordova | CA | — | ◇ UNVERIFIED |
 Klein Marine Systems | Newburyport | MA | — | ◇ 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 |
| LDLaser Direct INC Kent | Kent | WA | — | ◇ UNVERIFIED |
| LILeidos INC | Vista | CA | — | ◇ UNVERIFIED |
| LMLh Marshall Company | Columbus | OH | — | ◇ UNVERIFIED |
| LILifecom, INC. | Huntington Beach | CA | — | ◇ UNVERIFIED |
| LMLighthouse Microwave | Wenona | IL | — | ◇ UNVERIFIED |
| LLitepoint | Albuquerque | NM | — | ◇ 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 |
| LPLmlevine Property, LLC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| LMLockheed Martin | Colorado Springs | CO | — | ◇ UNVERIFIED |
| LMLockheed Martin | Pearl Harbor | HI | — | ◇ UNVERIFIED |
| LMLockheed Martin | Hill Air Force Base | UT | — | ◇ 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 | Syracuse | NY | — | ◇ UNVERIFIED |
| LMLockheed Martin Corporation | Kings Bay | GA | — | ◇ 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 |
 Luminar Technologies, INC | Orlando | FL | — | ◇ UNVERIFIED |
| LTLuminar Technoloties, INC | Orlando | FL | — | ◇ UNVERIFIED |
| MVMachine Vision Products INC | Carlsbad | CA | — | ◇ UNVERIFIED |
| MMagcanica | San Diego | CA | — | ◇ UNVERIFIED |
| MIMagnetrol International (sub Schaub CORP | Downers Grove | IL | — | ◇ UNVERIFIED |
| MSMarket Spectrum Inc. | Charlotte | NC | — | ◇ UNVERIFIED |
| MSMarket Spectrum Inc. | Charlotte | NC | — | ◇ UNVERIFIED |
 Martin Control & Equipment Company | Glen Allen | VA | — | ◇ UNVERIFIED |
| MMMartin Marietta Laboratories | Halethorpe | MD | — | ◇ UNVERIFIED |
| MGMaster Gauge CO. | Chicago | IL | — | ◇ UNVERIFIED |
| MVMax Viz INC | Tigard | OR | — | ◇ UNVERIFIED |
| MRMCA Real Estate Investments LLC | Palmdale | CA | — | ◇ UNVERIFIED |
