| BSBoeing Space Center Kent | Kent | WA | — | ◇ UNVERIFIED |
| BLBoeing-st. Louis | Saint Louis | MO | — | ◇ UNVERIFIED |
| BSBoeing Svs INC | Seattle | WA | — | ◇ UNVERIFIED |
| BVBoeing - Victorville | Victorville | CA | — | ◇ UNVERIFIED |
| BRBombardier Red Oak | Red Oak | TX | — | ◇ UNVERIFIED |
 Boone Aerospace, Inc. | Santa Clarita | CA | — | ◇ UNVERIFIED |
| BLBpi-westminster, Llc(owner)/arcadis (op) | Denver | CO | — | ◇ UNVERIFIED |
 Brenner Aerostructures Llc/bensalem Twp | Bensalem | PA | — | ◇ UNVERIFIED |
| BLBrentech, LLC | Gilbert | AZ | — | ◇ UNVERIFIED |
| BWBristol Watch Company, LLC | San Antonio | TX | — | ◇ UNVERIFIED |
| BIBritten-norman, INC. | Coral Gables | FL | — | ◇ UNVERIFIED |
| BEBrookfield Engineering Laboratories INC | Middleborough | MA | — | ◇ UNVERIFIED |
| BABrookley Aeroplex | Mobile | AL | — | ◇ UNVERIFIED |
| BTBrower Timing Systems LLC | Draper | UT | — | ◇ UNVERIFIED |
| BABurl's Aircraft LLC | Chugiak | AK | — | ◇ UNVERIFIED |
| CACable Airport | Upland | CA | — | ◇ UNVERIFIED |
| CDCal Dynamics CORP | Los Angeles | CA | — | ◇ UNVERIFIED |
| CLCalico Laboratories | South San Francisco | CA | — | ◇ UNVERIFIED |
| CLCalico Life Sciences LLC | Novato | CA | — | ◇ UNVERIFIED |
| CTCameron Technologies | Odessa | TX | — | ◇ UNVERIFIED |
| CACapital Aviation | Bethany | OK | — | ◇ UNVERIFIED |
| CACaps-certified Aircraft Painting Service | Cumberland | WI | — | ◇ UNVERIFIED |
| CACarolina Airships | Miami | FL | — | ◇ UNVERIFIED |
| CHCarson Helicopter INC. | Perkasie | PA | — | ◇ UNVERIFIED |
| CACascade Aircraft Management LLC | Redmond | OR | — | ◇ UNVERIFIED |
| CICaspian INC | San Diego | CA | — | ◇ UNVERIFIED |
| CACavu Aerospace, INC. | Goodyear | AZ | — | ◇ UNVERIFIED |
| CKCbs Kpix-tv / Kbhk-tv | Fairfield | CA | — | ◇ UNVERIFIED |
| CFCecil Field | Jacksonville | FL | — | ◇ UNVERIFIED |
| CICenturion Investments Inc-avmats | Mascoutah | IL | — | ◇ UNVERIFIED |
| CACessna Aircraft CO. | Wichita | KS | — | ◇ UNVERIFIED |
| CACessna Aircraft CO (mid Continent Facility) | Wichita | KS | — | ◇ UNVERIFIED |
| CACessna Aircraft Kessler Fac 2 | Wichita | KS | — | ◇ UNVERIFIED |
| CCCessna Citation Service Center | Wichita | KS | — | ◇ UNVERIFIED |
| CACgs Aviation LLC | Grand Bay | AL | — | ◇ UNVERIFIED |
| CCChampion Controls, Inc. | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| CEChant Engineering CO. INC. | New Britain | PA | — | ◇ UNVERIFIED |
| CACharge Analytics LLC | Boxford | MA | — | ◇ UNVERIFIED |
| CFChase Field Operations Center | Beeville | TX | — | ◇ UNVERIFIED |
| CNChello N Grill LLC | Navarre | OH | — | ◇ UNVERIFIED |
| CCC.i Composites | Oxnard | CA | — | ◇ UNVERIFIED |
| CCicomposites | Oxnard | CA | — | ◇ UNVERIFIED |
| CACimarron Aircraft CORP / Airport Industrial Park | El Reno | OK | — | ◇ UNVERIFIED |
 Cirrus Design CORP Aka Cirrus Aircraft - Finishing Center | Hermantown | MN | — | ◇ UNVERIFIED |
| Cirrus Design Corporation Dba Cirrus Aircraft | Duluth | MN | — | ◇ UNVERIFIED |
| Cirrus Design Corporation Dba Cirrus Aircraft | Duluth | MN | — | ◇ UNVERIFIED |
| Cirrus Design Corporation Dba Cirrus Aircraft CORP | Hermantown | MN | — | ◇ UNVERIFIED |
| CCCitadel Completions LLC - Citadel Aviation | Lake Charles | LA | — | ◇ UNVERIFIED |
| CIClinton Instrument Company | Clinton | CT | — | ◇ UNVERIFIED |
| CHCoastal Helicopters, LLC | Victoria | TX | — | ◇ UNVERIFIED |
| CGColumbia Gas Trans Corp/marietta | Marietta | PA | — | ◇ UNVERIFIED |
 Columbia Weather Systems INC | Hillsboro | OR | — | ◇ UNVERIFIED |
| CACommercial Aircraft Interiors Arlington | Arlington | WA | — | ◇ UNVERIFIED |
| CRComponent Research CO INC | Santa Monica | CA | — | ◇ UNVERIFIED |
| CEComposite Engineering INC | Lincoln | CA | — | ◇ UNVERIFIED |
| CSComposite Structures LLC | Monrovia | CA | — | ◇ UNVERIFIED |
| CRContinental Rpv's | Barstow | CA | — | ◇ UNVERIFIED |
| CTControlled Testing Equipment & Calibration, INC | New Oxford | PA | — | ◇ UNVERIFIED |
| CIConvectronics, INC. | Haverhill | MA | — | ◇ UNVERIFIED |
| CMCox Machine | Harper | KS | — | ◇ UNVERIFIED |
| CICv Intl INC | Torrance | CA | — | ◇ UNVERIFIED |
| DLDallas Love Field | Dallas | TX | — | ◇ UNVERIFIED |
| DADanbury Aerospace, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| DFDassault Falcon Jet | Melbourne | FL | — | ◇ UNVERIFIED |
| DFDassault Falcon Jet-wilmington CORP | New Castle | DE | — | ◇ UNVERIFIED |
 Decision Sciences International CORP | Poway | CA | — | ◇ UNVERIFIED |
| DIDelraye Investments CORP. | Trevose | PA | — | ◇ UNVERIFIED |
 Delta Scientific CORP | Valencia | CA | — | ◇ UNVERIFIED |
| DIDent Instruments INC | Bend | OR | — | ◇ UNVERIFIED |
| DODepartment of Defense - Corpus Christi Army Depot | Corpus Christi | TX | — | ◇ UNVERIFIED |
| DODepartment of Defense, Corpus Christi Army Depot | Corpus Christi | TX | — | ◇ UNVERIFIED |
| DCDickey-john CORP | Auburn | IL | — | ◇ UNVERIFIED |
| DCDickey-john CORP | Auburn | IL | — | ◇ UNVERIFIED |
| DCDigital Concepts of Missouri, INC. | Maryland Heights | MO | — | ◇ UNVERIFIED |
| DFDMD Force Measurement Systems LLC. | St Petersburg | FL | — | ◇ UNVERIFIED |
| DCDnow Cyril Flowline (formerly Nov Wilson Flowline) | Cyril | OK | — | ◇ UNVERIFIED |
| DTDorsetts Technologies | Layton | UT | — | ◇ UNVERIFIED |
| DPDouglas Products Division | Torrance | CA | — | ◇ UNVERIFIED |
| DADowntown Airpark | Oklahoma City | OK | — | ◇ UNVERIFIED |
| DFDoyle Fabrication | Omaha | IL | — | ◇ UNVERIFIED |
| DPDrone Pilot, Inc. | Wimberley | TX | — | ◇ UNVERIFIED |
| DADuncan Aviation | Lincoln | NE | — | ◇ UNVERIFIED |
| DCDylix Corporation | Grand Island | NY | — | ◇ UNVERIFIED |
| DADynamic Aviation Group, INC. | Bridgewater | VA | — | ◇ UNVERIFIED |
| DIDyncorp International, LLC | Warner Robins | GA | — | ◇ UNVERIFIED |
| EREagle R&d Company, LLC | Nampa | ID | — | ◇ UNVERIFIED |
| ENEastern Niagara Radiology | Buffalo | NY | — | ◇ UNVERIFIED |
| ECEaton Corporation | El Segundo | CA | — | ◇ UNVERIFIED |
| EDEberle Design | Phoenix | AZ | — | ◇ UNVERIFIED |
| EAEdge Autonomy - Bend, Or | Bend | OR | — | ◇ UNVERIFIED |
| EMEdo Marine and Aircraft Systems | North Amityville | NY | — | ◇ UNVERIFIED |
| EDEemco Datron INC Div | Los Angeles | CA | — | ◇ UNVERIFIED |
| EWEgle-rrd-star Watchcase Gwcu | Ludington | MI | — | ◇ UNVERIFIED |
| EDEi Detection & Imaging Systems | Saxonburg | PA | — | ◇ UNVERIFIED |
| ETEljen Technology | Sweetwater | TX | — | ◇ UNVERIFIED |
| EAElliot Aviation of Omaha, INC | Omaha | NE | — | ◇ UNVERIFIED |
| EEElster Electricity L L C | Raleigh | NC | — | ◇ UNVERIFIED |
| EAEmbraer Aircraft Customer Services, LLC | Nashville | TN | — | ◇ UNVERIFIED |
| EAEmbraer at Ft Lauderdale-hollywood Intl Airport | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| EEEmbraer Executive Aircraft Cc2 | Melbourne | FL | — | ◇ UNVERIFIED |
