| Code | Description |
|---|
| 09Q | Swift Air, LLC d/b/a Eastern Air Lines d/b/a Eastern |
| 1BQ | Eastern Airlines f/k/a Dynamic Airways, LLC |
| 1EQ | KaiserAir, Inc. |
| 1I | Sky Trek International Airlines |
| 1TQ | Rhoades Aviation dba Transair |
| 20Q | Orange Air |
| 2HQ | Elite Airways LLC |
| 2PQ | 21 Air LLC |
| 34Q | Polaris Aviation Solutions, LLC |
| 37Q | Hillwood Airways, LLC f/k/a ATX Air Services, LLC |
| 3K | Tatonduk Outfitters Limited d/b/a Tatonduk Flying Service |
| 5Y | Atlas Air Inc. |
| 6F | FOX AIRCRAFT, LLC |
| 8C | Air Transport International |
| 9R | Flagship Express Services |
| 9S | Southern Air Inc. |
| A7 | Air Comet S.A. |
| AJ | Air Micronesia Inc. |
| AKQ | Airmark Airlines Inc. |
| AMQ | Ameristar Air Cargo |
| BFQ | Buffalo Airways Inc. |
| BNQ | NetJets Large Aircraft Company L.L.C. |
| CCQ | Capital Cargo International |
| CPQ | Capitol Air Express Inc. |
| CRQ | Conner Air Lines Inc. |
| CS | Continental Micronesia |
| CTQ | Custom Air Transport |
| CXQ | Casino Express |
| CZQ | Aviation Concepts |
| E0 | EOS Airlines, Inc. |
| E9 | Evelop Airlines SL |
| ECQ | Trans American Charter |
| EM | Empire Airlines Inc. |
| EV | ExpressJet Airlines LLC d/b/a aha! |
| F2 | Omega Air Holdings d/b/a Focus Air |
| FCQ | Falcon Air Express |
| FDQ | Great American Airways |
| FL | AirTran Airways Corporation |
| FNQ | Fine Airlines Inc. |
| G4 | Allegiant Air |
| GCA | Global Crossing Airlines, Inc. |
| GFQ | Gulf And Caribbean Cargo |
| GLQ | Allegiant Air |
| HCQ | Av Atlantic |
| INQ | Independent Air Inc. |
| J7 | Valujet Airlines Inc. |
| JI | Jade Cargo International |
| JIQ | Jet Fleet Intl. Airlines |
| JKQ | Express One International Inc. |
| JX | STARLUX AIRLINES |
| K8 | Caribbean Sun Airlines, Inc. d/b/a World Atlantic Airlines |
| KAQ | Kalitta Air LLC |
| KLQ | Kalitta Charters II |
| KR | Kitty Hawk Aircargo |
| KW | Carnival Air Lines Inc. |
| L2 | Lynden Air Cargo Airlines |
| LBQ | Millon Air Inc. |
| LF | CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle |
| MG | Champion Air |
| MMQ | Miami Air International |
| MRQ | National Air Cargo Group, Inc. d/b/a Murray Air |
| MY | MAXjet |
| N5 | Skagway Air Service |
| NJ | Vanguard Airlines Inc. |
| NK | Spirit Air Lines |
| OI | Prestige Airways |
| P9 | Pro Air Inc. |
| PA | Florida Coastal Airlines |
| PAQ | Patriot Airlines Inc. |
| PCQ | Pace Airlines |
| PFQ | Asia Pacific |
| PJQ | Private Jet Expeditions |
| PLQ | Planet Airways |
| PM | Prescott Support Company, Inc. |
| PN | Pan American Airways Corp. |
| PNQ | Panagra Airways |
| PRQ | Florida West Airlines Inc. |
| QD | Grand Airways Inc. |
| REQ | Renown Aviation |
| RL | UltrAir |
| RLQ | Reliant Airlines |
| RYQ | Ryan International Airlines |
| SFQ | Pacific International Airlines Inc. |
| SI | Sierra Pacific Airlines |
| SLQ | Sky King Inc. |
| SM | Sunworld International Airlines |
| SPQ | Sun Pacific International |
| T3 | Tristar Airlines Inc. |
| T9 | TransMeridian Airlines |
| TCQ | Express.Net Airlines |
| TKQ | Trans-Air-Link Corporation |
| TPQ | Aerial Transit Company |
| U7 | USA Jet Airlines Inc. |
| V9 | Eagle Airlines |
| VCQ | Victory Air Transport Inc. |
| VIQ | Volga-Dnepr Airlines |
| W9 | Eastwind Airlines Inc. |
| WA | Worldwide Airlines Services |
| WE | Centurion Cargo Inc. |
| WI | Sky Lease Cargo |
