| Name | IATA | ICAO | Country |
| 1Time Airline | 1T | RNX | South Africa |
| 40-Mile Air | Q5 | MLA | United States |
| Aban Air | K5 | ABE | Iran |
| Abelag Aviation | W9 | AAB | Belgium |
| ABSA - Aerolinhas Brasileiras | M3 | TUS | Brazil |
| Abu Dhabi Amiri Flight | MO | AUH | United Arab Emirates |
| ABX Air | GB | ABX | United States |
| Access Air | ZA | CYD | United States |
| ACES Colombia | VX | AES | Colombia |
| Ada Air | ZY | ADE | Albania |
| Adam Air | KI | DHI | Indonesia |
| ADC Airlines | Z7 | ADK | Nigeria |
| Adria Airways | JP | ADR | Slovenia |
| Aegean Airlines | A3 | AEE | Greece |
| Aer Arann | RE | REA | Ireland |
| Aer Lingus | EI | EIN | Ireland |
| Aero 2000 | 4M | DSM | Argentina |
| Aero Airlines | EE | EAY | Estonia |
| Aero Asia International | E4 | RSO | Pakistan |
| Aero Benin | EM | AEB | Benin |
| Aero California | JR | SER | Mexico |
| Aero Condor Peru | Q6 | CDP | Peru |
| Aero Contractors | AJ | NIG | Nigeria |
| Aero Flight | GV | ARF | Germany |
| Aero Lanka | QL | RLN | Sri Lanka |
| Aero Services Executive | W4 | BES | France |
| Aero VIP | 2D | AOG | Argentina |
| Aero-Charter Ukraine | DW | UCR | Ukraine |
| Aero-Service | BF | RSR | Republic of the Congo |
| Aero-Tropics Air Services | HC | ATI | Australia |
| Aerocondor | 2B | ARD | Portugal |
| Aeroflot Russian Airlines | SU | AFL | Russia |
| Aeroflot-Don | D9 | DNV | Russia |
| Aeroflot-Nord | 5N | AUL | Russia |
| Aerolane | XL | LNE | Ecuador |
| Aeroline GmbH | 7E | AWU | Germany |
| Aerolineas Argentinas | AR | ARG | Argentina |
| Aerolineas Galapagos (Aerogal) | 2K | GLG | Ecuador |
| Aerolitoral | 5D | SLI | Mexico |
| Aeromar | BQ | ROM | Dominican Republic |
| Aeromar | VW | TAO | Mexico |
| Aeromexico | AM | AMX | Mexico |
| Aeromexpress | QO | MPX | Mexico |
| Aeromist-Kharkiv | HT | AHW | Ukraine |
| Aeropelican Air Services | OT | PEL | Australia |
| Aeroperu | PL | PLI | Peru |
| AeroRepublica | P5 | RPB | Colombia |
| Aerosur | 5L | RSU | Bolivia |
| Aerosvit Airlines | VV | AEW | Ukraine |
| Africa West | FK | WTA | Togo |
| African Safari Airways | QS | QSC | Kenya |
| Afrinat International Airlines | Q9 | AFU | Gambia |
| Afriqiyah Airways | 8U | AAW | Libya |
| Aigle Azur | ZI | AAF | France |
| Air Algerie | AH | DAH | Algeria |
| Air Alpha Greenland | GD | AHA | Denmark |
| Air Alps Aviation | A6 | LPV | Austria |
| Air Arabia | G9 | ABY | United Arab Emirates |
| Air Armenia | QN | ARR | Armenia |
| Air Astana | KC | KZR | Kazakhstan |
| Air Atlanta Icelandic | CC | ABD | Iceland |
| Air Atlantique | KI | AAG | United Kingdom |
| Air Austral | UU | REU | France |
| Air Bagan | W9 | JAB | Myanmar |
| Air Baltic | BT | BTI | Latvia |
| Air Bangladesh | B9 | BGD | Bangladesh |
| Air Berlin | AB | BER | Germany |
| Air Bosna | JA | BON | Bosnia and Herzegovina |
| Air Botswana | BP | BOT | Botswana |
| Air Bourbon | ZB | BUB | Reunion |
| Air Burkina | 2J | VBW | Burkina Faso |
| Air Burundi | 8Y | PBU | Burundi |
| Air Caledonie | TY | TPC | France |
| Air Caledonie International | SB | ACI | France |
| Air Canada | AC | ACA | Canada |
| Air Canada Jazz | QK | JZA | Canada |
| Air Caraibes | TX | FWI | France |
| Air Cargo Carriers | 2Q | SNC | United States |
| Air Central | NV | CRF | Japan |
| Air Chathams | CV | CVA | New Zealand |
| Air China | CA | CCA | China |
| Air City | 4F | ECE | Germany |
| Air Class Lineas Aereas | QD | QCL | Uruguay |
| Air Comores International | GG | HAH | Comoros |
| Air Contractors | AG | ABR | Ireland |
| Air Corridor | QC | CRD | Mozambique |
| Air D'Ayiti | H9 | HAD | Haiti |
| Air Dolomiti | EN | DLA | Italy |
| Air Europa | UX | AEA | Spain |
| Air Europe | PE | AEL | Italy |
| Air Exel | XT | AXL | Netherlands |
| Air Fiji | PC | FAJ | Fiji |
| Air Finland | OF | FIF | Finland |
| Air Florida | QH | FLZ | United States |
| Air Foyle | GS | UPA | United Kingdom |
| Air France | AF | AFR | France |
| Air Gabon | GN | AGN | Gabon |
| Air Georgia | DA | GRG | Georgia |
| Air Georgian | ZX | GGN | Canada |
| Air Glaciers | 7T | AGV | Switzerland |
| Air Greenland | GL | GRL | Denmark |
| Air Guinee Express | 2U | GIP | Guinea |
| Air Guyane | GG | GUY | French Guiana |
| Air Hong Kong | LD | AHK | Hong Kong |
| Air Horizon | 8C | HZT | Togo |
| Air Iceland | NY | FXI | Iceland |
| Air India Express | IX | AXB | India |
| Air India Limited | AI | AIC | India |
| Air Italy | I9 | AEY | Italy |
| Air Ivoire | VU | VUN | Ivory Coast |
| Air Jamaica | JM | AJM | Jamaica |
| Air Japan | NQ | AJX | Japan |
| Air Kiribati | 4A | AKL | |
| Air Koryo | JS | KOR | Democratic People's Republic of Korea |
| Air Lithuania | TT | KLA | Lithuania |
| Air Luxor | LK | LXR | Portugal |
| Air Luxor GB | L8 | LXG | Guinea-Bissau |
| Air Macau | NX | AMU | Macao |
| Air Madagascar | MD | MDG | Madagascar |
| Air Madrid | NM | DRD | Spain |
| Air Malawi | QM | AML | Malawi |
| Air Malta | KM | AMC | Malta |
| Air Marshall Islands | CW | CWM | Marshall Islands |
| Air Mauritanie | MR | MRT | Mauritania |
| Air Mauritius | MK | MAU | Mauritius |
| Air Mediterranee | DR | BIE | France |
| Air Midwest | ZV | AMW | United States |
| Air Mobility Command | MC | RCH | United States |
| Air Moldova | 9U | MLD | Moldova |
| Air Namibia | SW | NMB | Namibia |
| Air New Zealand | NZ | ANZ | New Zealand |
| Air Nippon | EL | ANK | Japan |
| Air Nippon Network Co. Ltd. | EH | AKX | Japan |
| Air Niugini | PX | ANG | Papua New Guinea |
| Air North Charter - Canada | 4N | ANT | Canada |
| Air Nostrum | YW | ANE | Spain |
| Air One | AP | ADH | Italy |
| Air Pacific | FJ | FJI | Fiji |
| Air Paradise International | AD | PRZ | Indonesia |
| Air Philippines | 2P | GAP | Philippines |
| Air Plus Comet | A7 | MPD | Spain |
| Air Sahara | S2 | RSH | India |
| Air Saint Pierre | PJ | SPM | France |
| Air Salone | 20 | RNE | Sierra Leone |
| Air Santo Domingo | EX | SDO | Dominican Republic |
| Air Senegal International | V7 | SNG | Senegal |
| Air Service | M3 | SPJ | Macedonia |
| Air Service Gabon | G8 | AGB | Gabon |
| Air Seychelles | HM | SEY | Seychelles |
| Air Sinai | 4D | ASD | Egypt |
| Air Slovakia | GM | SVK | Slovakia |
| Air Srpska | RB | SBK | Bosnia and Herzegovina |
| Air Tahiti | VT | VTA | French Polynesia |
| Air Tahiti Nui | TN | THT | France |
| Air Tanzania | TC | ATC | Tanzania |
| Air Togo | YT | TGA | Togo |
| Air Transat | TS | TSC | Canada |
| Air Transport International | 8C | ATN | United States |
| Air Turks and Caicos | JY | TCI | Turks and Caicos Islands |
| Air Ukraine | 6U | UKR | Ukraine |
| Air Urga | 3N | URG | Ukraine |
| Air Vanuatu | NF | AVN | Vanuatu |
| Air Vegas | 6V | VGA | United States |
| Air VIA | VL | VIM | Bulgaria |
| Air Wales | 6G | AWW | United Kingdom |
| Air Wisconsin | ZW | AWI | United States |
| Air Zimbabwe | UM | AZW | Zimbabwe |
| AirAsia | AK | AXM | Malaysia |
| Airblue | ED | ABQ | Pakistan |
| Airborne Express | GB | ABX | United States |
| AirBridge Cargo | RU | ABW | Russia |
| Airbus France | 4Y | RBU | France |
| Airbus Industrie | AP | AIB | France |
| Aircompany Yakutia | R3 | SYL | Russia |
| Aires, Aerovias de Integracion Regional, S.A. | 4C | ARE | Colombia |
| Airlinair | A5 | RLA | France |
| Airlines Of Tasmania | FO | ATM | Australia |
| Airlines PNG | CG | TOK | Papua New Guinea |
| Airlink Zambia | K8 | ZAK | Zambia |
| Airnorth | TL | ANO | Australia |
| Airstars | PL | ASE | Russia |
| AirTran Airways | FL | TRS | United States |
| Alaska Airlines, Inc. | AS | ASA | United States |
| Alaska Central Express | KO | AER | United States |
| Albanian Airlines | LV | LBC | Albania |
| Albarka Air | F4 | NBK | Nigeria |
| Alidaunia | D4 | LID | Italy |
| Alitalia | AZ | AZA | Italy |
| All Nippon Airways | NH | ANA | Japan |
| Allegiant Air | G4 | AAY | United States |
| Allegro | LL | GRO | Mexico |
| Alliance Air | CD | LLR | India |
| Alliance Airlines | QQ | UTY | Australia |
| Aloha Airlines | AQ | AAH | United States |
| Alpi Eagles | E8 | ELG | Italy |
| Alpine Air Express | 5A | AIP | United States |
| Alrosa Mirny Air Enterprise | 6R | DRU | Russia |
| Amadeus Global Travel Distribution | 1A | AGT | Spain |
| Amaszonas | Z8 | AZN | Bolivia |
| Amber Air | 0A | GNT | Lithuania |
| America West Airlines | HP | AWE | United States |
| American Airlines | AA | AAL | United States |
| American Eagle Airlines | MQ | EGF | United States |
| American Falcon | WK | AFB | Argentina |
| Amerijet International | M6 | AJT | United States |
| Ansett Australia | AN | AAA | Australia |
| Antinea Airlines | HO | DJA | Algeria |
| AOM French Airlines | IW | AOM | France |
| Arctic Circle Air Service | 5F | CIR | United States |
| Arcus-Air Logistic | ZE | AZE | Germany |
| Ariana Afghan Airlines | FG | AFG | Afghanistan |
| Arkefly | OR | TFL | Netherlands |
| Arkia Israel Airlines | IZ | AIZ | Israel |
| Armavia | U8 | RNV | Armenia |
| Armenian International Airways | MV | RML | Armenia |
| Arrow Air | JW | APW | United States |
| Aserca Airlines | R7 | OCA | Venezuela |
| Asia Overnight Express | OE | AOT | Philippines |
| Asian Express Airlines | HJ | AXF | Australia |
| Asian Spirit | 6K | RIT | Philippines |
| Asiana Airlines | OZ | AAR | Republic of Korea |
| Askari Aviation | 4K | AAS | Pakistan |
| Astar Air Cargo | ER | DHL | United States |
| Astraeus | 5W | AEU | United Kingdom |
| Astrakhan Airlines | OB | ASZ | Russia |
| Astral Aviation | 8V | ACP | Kenya |
| ATA Airlines | TZ | AMT | United States |
| Atlant-Soyuz Airlines | 3G | AYZ | Russia |
| Atlantic Airways | RC | FLI | Faroe Islands |
| Atlantic Southeast Airlines | EV | ASQ | United States |
| Atlantis European Airways | TD | LUR | Armenia |
| Atlas Air | 5Y | GTI | United States |
| Atlas Blue | 8A | BMM | Morocco |
| Atlasjet | KK | KKK | Turkey |
| ATRAN Cargo Airlines | V8 | VAS | Russian Federation |
| Atyrau Air Ways | IP | JOL | Kazakhstan |
| Augsburg Airways | IQ | AUB | Germany |
| Aurigny Air Services | GR | AUR | United Kingdom |
| Aus-Air | NO | AUS | Australia |
| Austral Lineas Aereas | AU | AUT | Argentina |
| Australian Airlines | AO | AUZ | Australia |
| Austrian Airlines | OS | AUA | Austria |
| Austrian Arrows | VO | TYR | Austria |
| AVCOM | J6 | AOC | Russia |
| Avensa | VE | AVE | Venezuela |
| Aviaexpress | RX | AEH | Hungary |
| Avialeasing Aviation Company | EC | TWN | Uzbekistan |
| Avianca - Aerovias Nacionales de Colombia, S.A. | AV | AVA | Colombia |
| Avient Aviation | Z3 | SMJ | Zimbabwe |
| Avies | U3 | AIA | Estonia |
| Aviogenex | JJ | AGX | Serbia |
| Avirex | G2 | VXG | Gabon |
| Avolar Aerolineas | V5 | VLI | Mexico |
| Axis Airways | 6V | AXY | France |
| Azerbaijan Airlines | J2 | AHY | Azerbaijan |
| Azzurra Air | ZS | AZI | Italy |
| B&H Airlines | JA | BON | Bosnia and Herzegovina |
| BACH Flugbetriebsges | B4 | BCF | Austria |
| Bahamasair | UP | BHS | Bahamas |
| BAL Bashkirian Airlines | V9 | BTC | Russia |
| Bangkok Airways | PG | BKP | Thailand |
| Bankair | B4 | BKA | United States |
| Barents AirLink | 8N | NKF | Sweden |
| Bayu Indonesia Air | BM | BYE | Indonesia |
| Bearskin Lake Air Service | JV | BLS | Canada |
| Belair Airlines | 4T | BHP | Switzerland |
| Belavia Belarusian Airlines | B2 | BRU | Belarus |
| Bellview Airlines | B3 | BLV | Nigeria |
| Bemidji Airlines | CH | BMJ | United States |
| Benin Golf Air | A8 | BGL | Benin |
| Bering Air | 8E | BRG | United States |
| Berjaya Air | J8 | BVT | Malaysia |
| Big Sky Airlines | GQ | BSY | United States |
| Biman Bangladesh Airlines | BG | BBC | Bangladesh |
| Binter Canarias | NT | IBB | Spain |
| Bismillah Airlines | 5Z | BML | Bangladesh |
| Blue Air | 0B | JOR | Romania |
| Blue Dart Aviation | BZ | BDA | India |
| Blue Panorama Airlines | BV | BPA | Italy |
| Blue Wings | QW | BWG | Germany |
| Blue1 | KF | BLF | Finland |
| Bluebird Cargo | BF | BBD | Iceland |
| bmi | BD | BMA | United Kingdom |
| bmibaby | WW | BMI | United Kingdom |
| Boston-Maine Airways | E9 | CXS | United States |
| Bouraq Indonesia Airlines | BO | BOU | Indonesia |
| BRA-Transportes Aereos | 7R | BRB | Brazil |
| Braniff International Airways | BN | BNF | United States |
| Bravo Air Congo | K6 | BRV | Democratic Republic of the Congo |
| Brit Air | DB | BZH | France |
| British Airways | BA | BAW | United Kingdom |
| British International Helicopters | BS | BIH | United Kingdom |
| British Mediterranean Airways | KJ | LAJ | United Kingdom |
| Brussels Airlines | SN | DAT | Belgium |
| Buffalo Airways | J4 | BFL | Canada |
| Bulgaria Air | FB | LZB | Bulgaria |
| CAL Cargo Air Lines | 5C | ICL | Israel |
| Calima Aviacion | XG | CLI | Spain |
| Calm Air | MO | CAV | Canada |
| Camai Air | R9 | CAM | United States |
| Cameroon Airlines | UY | UYC | Cameroon |
| Canadian Airlines | CP | CDN | Canada |
| Canadian North | 5T | MPE | Canada |
| Canadian Western Airlines | W2 | CWA | Canada |
| CanJet | C6 | CJA | Canada |
| Cape Air | 9K | KAP | United States |
| Capital Cargo International Airlines | PT | CCI | United States |
| Cargo 360 | GG | GGC | United States |
| Cargo Plus Aviation | 8L | CGP | United Arab Emirates |
| Cargoitalia | 2G | CRG | Italy |
| Cargojet Airways | W8 | CJT | Canada |
| Cargolux | CV | CLX | Luxembourg |
| Caribbean Airlines | BW | BWA | Trinidad and Tobago |
| Caribbean Star Airlines | 8B | GFI | Antigua and Barbuda |
| Carpatair | V3 | KRP | Romania |
| Caspian Airlines | RV | CPN | Iran |
| Cathay Pacific | CX | CPA | Hong Kong SAR of China |
| Cayman Airways | KX | CAY | Cayman Islands |
| Cebu Pacific | 5J | CEB | Philippines |
| Centavia | 7N | CNA | Serbia |
| Centralwings | C0 | CLW | Poland |
| Centre-Avia | J7 | CVC | Russia |
| Centurion Air Cargo | WE | CWC | United States |
| Chalk's Ocean Airways | OP | CHK | United States |
| Champion Air | MG | CCP | United States |
| Changan Airlines | 2Z | CGN | China |
| Chari Aviation Services | S8 | CSU | Chad |
| Chautauqua Airlines | RP | CHQ | United States |
| CHC Airways | AW | SCH | Netherlands |
| Chicago Express | C8 | WDY | United States |
| China Airlines | CI | CAL | Taiwan |
| China Cargo Airlines | CK | CKK | China |
| China Eastern Airlines | MU | CES | China |
| China Northern Airlines | CJ | CBF | China |
| China Northwest Airlines | WH | CNW | China |
| China Postal Airlines | 8Y | CYZ | China |
| China Southern Airlines | CZ | CSN | China |
| China United Airlines | HR | CUA | China |
| China Xinhua Airlines | XO | CXH | China |
| Chitaavia | X7 | CHF | Russia |
| Cielos Airlines | A2 | CIU | Peru |
| Cimber Air | QI | CIM | Denmark |
| Cirrus Airlines | C9 | RUS | Germany |
| City Airline | CF | SDR | Sweden |
| City Connexion Airlines | G3 | CIX | Burundi |
| Cityflyer Express | CJ | CFE | United Kingdom |
| CityJet | WX | BCY | Ireland |
| Civil Air Transport | CT | CAT | Taiwan |
| Club Air | 6P | ISG | Italy |
| Coast Air | BX | CST | Norway |
| Colgan Air | 9L | CJC | United States |
| Comair | OH | COM | United States |
| Comair | MN | CAW | South Africa |
| CommutAir | C5 | UCA | United States |
| Comores Airlines | KR | CWK | Comoros |
| Compania Mexicargo | GJ | MXC | Mexico |
| Compass Airlines | CP | CPZ | United States |
| Condor Flugdienst | DE | CFG | Germany |
| Consorcio Aviaxsa | 6A | CHP | Mexico |
| Continental Airlines | CO | COA | United States |
| Continental Airways | PC | PVV | Russia |
| Continental Micronesia | CS | CMI | United States |
| Conviasa | V0 | VCV | Venezuela |
| Copa Airlines | CM | CMP | Panama |
| Corsairfly | SS | CRL | France |
| Corse-Mediterranee | XK | CCM | France |
| Cosmic Air | F5 | COZ | Nepal |
| Coyne Aviation | 7C | COY | United Kingdom |
| Croatia Airlines | OU | CTN | Croatia |
| Crossair Europe | QE | ECC | Switzerland |
| Cubana de Aviacion | CU | CUB | Cuba |
| Cyprus Airways | CY | CYP | Cyprus |
| Czech Airlines | OK | CSA | Czech Republic |
| Daallo Airlines | D3 | DAO | Djibouti |
| Dagestan Airlines | N2 | DAG | Russia |
| Dalavia | H8 | KHB | Russia |
| Darwin Airline | 0D | DWT | Switzerland |
| DAS Air Cargo | WD | DSR | Uganda |
| DAT Danish Air Transport | DX | DTR | Denmark |
| Dauair | D5 | DAU | Germany |
| dba | DI | BAG | Germany |
| Delta Air Lines | DL | DAL | United States |
| Deutsche Rettungsflugwacht | 1I | AMB | Germany |
| DHL de Guatemala | L3 | JOS | Guatemala |
| DHL International | ES | DHX | Bahrain |
| Dinar | D7 | RDN | Argentina |
| Dirgantara Air Service | AW | DIR | Indonesia |
| Discovery Airways | DH | DVA | United States |
| Djibouti Airlines | D8 | DJB | Djibouti |
| Dominicana de Aviacion | DO | DOA | Dominican Republic |
| Domodedovo Airlines | E3 | DMO | Russia |
| DonbassAero | 5D | UDC | Ukraine |
| Dragonair, Hong Kong Dragon Airlines | KA | HDA | Hong Kong |
| Druk Air | KB | DRK | Bhutan |
| East African | QU | UGX | Uganda |
| East African Safari Air | S9 | HSA | Kenya |
| Eastern Airways | T3 | EZE | United Kingdom |
| Eastland Air | DK | ELA | Australia |
| Eastwind Airlines | W9 | SGR | United States |
| easyJet | U2 | EZY | United Kingdom |
| Edelweiss Air | WK | EDW | Switzerland |
| Egyptair | MS | MSR | Egypt |
| El Al Israel Airlines | LY | ELY | Israel |
| El-Buraq Air Transport | UZ | BRQ | Libya |
| Emirates Airline | EK | UAE | United Arab Emirates |
| Empire Airlines | EM | CFS | United States |
| Empresa Ecuatoriana De Aviacion | EU | EEA | Ecuador |
| Enkor JSC | G8 | ENK | Russia]] |
| Eos Airlines | E0 | ESS | United States |
| Eritrean Airlines | B8 | ERT | Eritrea |
| Estafeta Carga Aerea | E7 | ESF | Mexico |
| Estonian Air | OV | ELL | Estonia |
| Ethiopian Airlines | ET | ETH | Ethiopia |
| Etihad Airways | EY | ETD | United Arab Emirates |
| EUjet | VE | EUJ | Ireland |
| EuroAtlantic Airways | MM | MMZ | Portugal |
| Eurocypria Airlines | UI | ECA | Cyprus |
| Eurofly Service | GJ | EEU | Italy |
| Eurolot | K2 | ELO | Poland |
| Euromanx Airways | 3W | EMX | Austria |
| European Air Express | EA | EAL | Germany |
| European Air Transport | QY | BCS | Belgium |
| European Aviation Air Charter | E7 | EAF | United Kingdom |
| Eurowings | EW | EWG | Germany |
| EVA Air | BR | EVA | Taiwan |
| Evergreen International Airlines | EZ | EIA | United States |
| Excel Airways | JN | XLA | United Kingdom |
| Execair Aviation | MB | EXA | Canada |
| Executive Airlines | OW | EXK | United States |
| Expo Aviation | 8D | EXV | Sri Lanka |
| Express One International | EO | LHN | United States |
| ExpressJet | XE | BTA | United States |
| Far Eastern Air Transport | EF | EFA | Taiwan |
| Faroejet | F6 | RCK | Faroe Islands |
| Faso Airways | F3 | FSW | Burkina Faso |
| Federal Express | FX | FDX | United States |
| Fika Salaama Airlines | N8 | HGK | Uganda |
| Finalair Congo | 4S | FNC | Republic of the Congo |
| Finnair | AY | FIN | Finland |
| Finncomm Airlines | FC | WBA | Finland |
| Firefly | FY | FFM | Malaysia |
| First Air | 7F | FAB | Canada |
| First Choice Airways | DP | FCA | United Kingdom |
| Fischer Air | 8F | FFR | Czech Republic |
| Flightline | B5 | FLT | United Kingdom |
| Florida Coastal Airlines | PA | FCL | United States |
| Florida West International Airways | RF | FWL | United States |
| Fly Air | F2 | FLM | Turkey |
| Fly Me Sweden | SH | FLY | Sweden |
| FlyAsianXpress | D7 | XFA | Malaysia |
| Flybaboo | F7 | BBO | Switzerland |
| Flybe | BE | BEE | United Kingdom |
| Flyglobespan | B4 | GSM | United Kingdom |
| Flyhy Cargo Airlines | W3 | FYH | Thailand |
| FlyLal | TE | LIL | Lithuania |
| FlyNordic | LF | NDC | Sweden |
| Formosa Airlines | VY | FOS | Taiwan |
| Four Star Aviation / Four Star Cargo | HK | FSC | United States |
| Freedom Air | FP | FRE | United States |
| Freedom Air | SJ | FOM | New Zealand |
| Frontier Airlines | F9 | FFT | United States |
| Frontier Flying Service | 2F | FTA | United States |
| Futura International Airways | FH | FUA | Spain |
| Galaxy Air | 7O | GAL | Kyrgyzstan |
| Gambia International Airlines | GC | GNR | Gambia |
| Gandalf Airlines | G7 | GNF | Italy |
| Garuda Indonesia | GA | GIA | Indonesia |
| Gazpromavia | 4G | GZP | Russia |
| GB Airways | GT | GBL | United Kingdom |
| Gemini Air Cargo | GR | GCO | United States |
| Georgian Airways | A9 | TGZ | Georgia |
| Georgian National Airlines | QB | GFG | Georgia |
| Germania | ST | GMI | Germany |
| Germanwings | 4U | GWI | Germany |
| Gestair | GP | GES | Spain |
| Ghana Airways | GH | GHA | Ghana |
| Ghana International Airlines | G0 | GHB | Ghana |
| Go Air | G8 | GOW | India |
| GoJet Airlines | G7 | GJS | United States |
| Gol Transportes AA?reos | G3 | GLO | Brazil |
| Golden Air | DC | GAO | Sweden |
| Gorkha Airlines | G1 | IKA | Nepal |
| Grant Aviation | GS | GUN | United States |
| Great Lakes Airlines | ZK | GLA | United States |
| Great Wall Airlines | IJ | GWL | China |
| Guine Bissaur Airlines | G6 | BSR | Guinea-Bissau |
| Guinee Airlines | J9 | GIF | Guinea |
| Gujarat Airways | G8 | GUJ | India |
| Gulf Air Bahrain | GF | GBA | Bahrain |
| Hageland Aviation Services | H6 | HAG | United States |
| Hahn Air | HR | HHN | Germany |
| Hainan Airlines | HU | CHH | China |
| Haiti Ambassador Airlines | 2T | HAM | Haiti |
| Hamburg International | 4R | HHI | Germany |
| Hapag-Lloyd Express (TUIfly) | X3 | HLX | Germany |
| Hapagfly | HF | HLF | Germany |
| Harbor Airlines | HB | HAR | United States |
| Harmony Airways | HQ | HMY | Canada |
| Hawaiian Airlines | HA | HAL | United States |
| Heavylift Cargo Airlines | HN | HVY | Australia |
| Heli France | 8H | HFR | France |
| Helijet | JB | JBA | Canada |
| Helios Airways | ZU | HCY | Cyprus |
| Hellas Jet | T4 | HEJ | Greece |
| Hello | HW | FHE | Switzerland |
| Helvetic Airways | 2L | OAW | Switzerland |
| Hemus Air | DU | HMS | Bulgaria |
| Hewa Bora Airways | EO | ALX | Democratic Republic of the Congo |
| Hex'Air | UD | HER | France |
| Hi Fly | 5K | HFY | Portugal |
| Hokkaido International Airlines | HD | ADO | Japan |
| Hola Airlines | H5 | HOA | Spain |
| Hong Kong Airlines | N8 | CRK | Hong Kong SAR of China |
| Hong Kong Express Airways | UO | HKE | Hong Kong SAR of China |
| Horizon Air | QX | QXE | United States |
| Horizon Airlines | BN | HZA | Australia |
| IBC Airways | II | CSQ | United States |
| Iberia Airlines | IB | IBE | Spain |
| Iberworld | TY | IWD | Spain |
| Ibex Airlines | FW | IBX | Japan |
| Icelandair | FI | ICE | Iceland |
| Imair Airlines | IK | ITX | Azerbaijan |
| Independence Air | DH | IDE | United States |
| Indian Airlines | IC | IAC | India |
| Indigo | I9 | IBU | United States |
| IndiGo Airlines | 6E | IGO | India |
| Indonesia AirAsia | QZ | AWQ | Indonesia |
| Indonesian Airlines | IO | IAA | Indonesia |
| InteliJet Airways | IJ | IJT | Colombia |
| Inter Islands Airlines | H4 | IIN | Cape Verde |
| Interair South Africa | D6 | ILN | South Africa |
| Interavia Airlines | ZA | SUW | Russia |
| Intercontinental de Aviacion | RS | ICT | Colombia |
| Interlink Airlines | ID | ITK | South Africa |
| International Business Air | 6I | IBZ | Sweden |
| Interstate Airline | I4 | FWA | Netherlands |
| Iran Air | IR | IRA | Iran |
| Iran Aseman Airlines | EP | IRC | Iran |
| Iraqi Airways | IA | IAW | Iraq |
| Irtysh Airlines | IT | IRT | Uzbekistan |
| Island Express | 2S | SDY | United States |
| Islas Airways | IF | ISW | Spain |
| Islena De Inversiones | WC | ISV | Honduras |
| Israir | 6H | ISR | Israel |
| Itali Airlines | 9X | ACL | Italy |
| Itek Air | GI | IKA | Kyrgyzstan |
| Izair | H9 | IZM | Turkey |
| JAL Express | JC | JEX | Japan |
| JALways | JO | JAZ | Japan |
| Japan Airlines | JL | JAL | Japan |
| Japan Airlines Domestic | JL | JAL | Japan |
| Japan Asia Airways | EG | JAA | Japan |
| Japan Transocean Air | NU | JTA | Japan |
| Jat Airways | JU | JAT | Serbia |
| Jatayu Airlines | VJ | JTY | Indonesia |
| Jazeera Airways | J9 | JZR | Kuwait |
| Jeju Air | 7C | JJA | Republic of Korea |
| Jet Airways | 9W | JAI | India |
| Jet2.com | LS | EXS | United Kingdom |
| Jetairfly | JF | JAF | Belgium |
| JetBlue Airways | B6 | JBU | United States |
| Jetclub | 0J | JCS | Switzerland |
| JetsGo | SG | JGO | Canada |
| Jetstar Airways | JQ | JST | Australia |
| Jetstar Asia Airways | 3K | JSA | Singapore |
| Jett8 Airlines Cargo | JX | JEC | Singapore |
| Jetx Airlines | GX | JXX | Iceland |
| Jordan Aviation | R5 | JAV | Jordan |
| Kabo Air | N2 | QNK | Nigeria |
| Kalitta Air | K4 | CKS | United States |
| Kam Air | RQ | KMF | Afghanistan |
| Kampuchea Airlines | E2 | KMP | Cambodia |
| Karat | V2 | AKT | Russia |
| Kavminvodyavia | KV | MVD | Russia |
| KD Avia | KD | KNI | Russia |
| Kenmore Air | M5 | KEN | United States |
| Kenya Airways | KQ | KQA | Kenya |
| Keystone Air Services | BZ | KEE | Canada |
| Kibris Turk Hava | KY | KYV | Turkey |
| Kingfisher Airlines | IT | KFR | India |
| Kish Air | Y9 | IRK | Iran |
| Kiwi International Air Lines | KP | KIA | United States |
| KLM Cityhopper | WA | KLC | Netherlands |
| KLM Royal Dutch Airlines | KL | KLM | Netherlands |
| Kogalymavia Air Company | 7K | KGL | Russia |
| Komiinteravia | 8J | KMV | Russia |
| Korean Air | KE | KAL | Republic of Korea |
| Krasnojarsky Airlines | 7B | KJC | Russia |
| Krylo Airlines | K9 | KRI | Russia |
| Kuban Airlines | GW | KIL | Russia |
| Kunpeng Airlines | VD | KPA | China |
| Kuwait Airways | KU | KAC | Kuwait |
| Kuzu Airlines Cargo | GO | KZU | Turkey |
| Kyrgyz Airlines | N5 | KGZ | Kyrgyzstan |
| Kyrgyzstan | QH | LYN | Kyrgyzstan |
| Kyrgyzstan Airlines | R8 | KGA | Kyrgyzstan |
| L.A.B. Flying Service | JF | LAB | United States |
| LACSA | LR | LRC | Costa Rica |
| Lagun Air | N6 | JEV | Spain |
| LAI - Linea Aerea IAACA | KG | BNX | Venezuela |
| LAN Airlines | LA | LAN | Chile |
| LAN Express | LU | LXP | Chile |
| LAN Peru | LP | LPE | Peru |
| Lankair | IK | LKN | Sri Lanka |
| Lao Airlines | QV | LAO | Lao Peoples Democratic Republic |
| Laoag International Airlines | L7 | LPN | Philippines |
| Lauda Air | NG | LDA | Austria |
| Lebanese Air Transport | LQ | LAQ | Lebanon |
| Leeward Islands Air Transport | LI | LIA | Antigua and Barbuda |
| Libyan Arab Airlines | LN | LAA | Libya |
| Linea Aerea de Servicio Ejecutivo Regional | 8z | LER | Venezuela |
| Linea Aerea SAPSA | L7 | LNP | Chile |
| Linea Turistica Aerotuy | LD | TUY | Venezuela |
| Lineas Aereas Azteca | ZE | LCD | Mexico |
| Lineas Aereas Privadas Argentinas | MJ | LPR | Argentina |
| Linhas Aereas de Mocambique | LM | LAM | Mozambique |
| Lion Mentari Airlines | JT | LNI | Indonesia |
| Livingston | LM | LVG | Italy |
| Lloyd Aereo Boliviano | LB | LLB | Bolivia |
| LOT Polish Airlines | LO | LOT | Poland |
| LTE International Airways | XO | LTE | Spain |
| LTU Austria | L3 | LTO | Austria |
| LTU International | LT | LTU | Germany |
| Luftfahrtgesellschaft Walter | HE | LGW | Germany |
| Lufthansa | LH | DLH | Germany |
| Lufthansa Cargo | LH | GEC | Germany |
| Lufthansa CityLine | CL | CLH | Germany |
| Lufttaxi Fluggesellschaft | DV | LTF | Germany |
| Lufttransport | L5 | LTR | Norway |
| Luxair | LG | LGL | Luxembourg |
| Lviv Airlines | 5V | UKW | Ukraine |
| Lynden Air Cargo | L2 | LYC | United States |
| Macair Airlines | CC | MCK | Australia |
| Mahan Air | W5 | IRM | Iran |
| Mahfooz Aviation | M2 | MZS | Gambia |
| Malaysia Airlines | MH | MAS | Malaysia |
| Malev Hungarian Airlines | MA | MAH | Hungary |
| MalmA? Aviation | TF | SCW | Sweden |
| Malta Air Charter | R5 | MAC | Malta |
| Mandala Airlines | RI | MDL | Indonesia |
| Mandarin Airlines | AE | MDA | Taiwan |
| Mango | JE | MNO | South Africa |
| Mars RK | 6V | MRW | Ukraine |
| Marsland Aviation | M7 | MSL | Sudan |
| Martinair | MP | MPH | Netherlands |
| MasAir | M7 | MAA | Mexico |
| MAT Macedonian Airlines | IN | MAK | Macedonia |
| Mavial Magadan Airlines | H5 | MVL | Russia |
| Maxair | 8M | MXL | Sweden |
| Maxjet Airways | MY | MXJ | United States |
| Maya Island Air | MW | MYD | Belize |
| Menajet | IM | MNJ | Lebanon |
| Meridiana | IG | ISS | Italy |
| Merpati Nusantara Airlines | MZ | MNA | Indonesia |
| Mesa Airlines | YV | ASH | United States |
| Mesaba Airlines | XJ | MES | United States |
| Metro Batavia | 7P | BTV | Indonesia |
| Mexicana de Aviacion | MX | MXA | Mexico |
| Miami Air International | GL | BSK | United States |
| MIAT Mongolian Airlines | OM | MGL | Mongolia |
| Middle East Airlines | ME | MEA | Lebanon |
| Midway Airlines | JI | MDW | United States |
| Midwest Airlines | MY | MEP | Egypt |
| MNG Airlines | MB | MNB | Turkey |
| Moldavian Airlines | 2M | MDV | Moldova |
| Monarch Airlines | ZB | MON | United Kingdom |
| Montenegro Airlines | YM | MGX | Montenegro |
| Moskovia Airlines | 3R | GAI | Russia |
| Motor Sich | M9 | MSI | Ukraine |
| Mount Cook Airlines | NM | NZM | New Zealand |
| Mountain Air Company | N4 | MTC | Sierra Leone |
| Myanma Airways | UB | UBA | Myanmar |
| Myanmar Airways International | 8M | MMM | Myanmar |
| MyTravel Airways | VZ | MYT | United Kingdom |
| Nantucket Airlines | DV | ACK | United States |
| Nasair | UE | NAS | Eritrea |
| National Airlines | N7 | ROK | United States |
| National Airlines | N4 | NCN | Chile |
| National Airlines | NA | NAL | United States |
| National Jet Systems | NC | NJS | Australia |
| Nationwide Airlines | CE | NTW | South Africa |
| Nauru Air Corporation | ON | RON | Nauru |
| Neos | NO | NOS | Italy |
| Nepal Airlines | RA | RNA | Nepal |
| NetJets | 1I | EJA | United States |
| New England Airlines | EJ | NEA | United States |
| Niki | HG | NLY | Austria |
| Nippon Cargo Airlines | KZ | NCA | Japan |
| Nok Air | DD | NOK | Thailand |
| Nordeste Linhas Aereas Regionais | JH | NES | Brazil |
| Nordic Regional | 6N | NRD | Sweden |
| North Flying | M3 | NFA | Denmark |
| North-Wright Airways | HW | NWL | Canada |
| Northern Air Cargo | NC | NAC | United States |
| Northwest Airlines | NW | NWA | United States |
| Northwest Regional Airlines | FY | NWR | Australia |
| Northwestern Air | J3 | PLR | Canada |
| Norwegian Air Shuttle | DY | NAX | Norway |
| Nouvel Air Tunisie | BJ | LBT | Tunisia |
| Nova Airline | M4 | NOV | Sudan |
| Novair | 1I | NVR | Sweden |
| Nuevo Continente | N6 | ACQ | Peru |
| O'Connor Airlines | UQ | OCM | Australia |
| Oasis Hong Kong Airlines | O8 | OHK | Hong Kong |
| Ocean Airlines | VC | VCX | Italy |
| Oceanair | O6 | ONE | Brazil |
| Olympic Airlines | OA | OAL | Greece |
| Oman Air | WY | OMA | Oman |
| Omni Air International | OY | OAE | United States |
| Omskavia Airline | N3 | OMS | Russia |
| Onur Air | 8Q | OHY | Turkey |
| Open Skies Consultative Commission | 1L | OSY | United States |
| Orenburg Airlines | R2 | ORB | Russia |
| Orient Thai Airlines | OX | OEA | Thailand |
| Origin Pacific Airways | QO | OGN | New Zealand |
| Ostfriesische Lufttransport | OL | OLT | Germany |
| Our Airline | ON | RON | Nauru |
| Overland Airways | OJ | OLA | Nigeria |
| Ozark Air Lines | OZ | OZR | United States |
| Ozjet Airlines | O7 | OZJ | Australia |
| Pace Airlines | Y5 | PCE | United States |
| Pacific Airlines | BL | PIC | Vietnam |
| Pacific Blue | DJ | PBN | New Zealand |
| Pacific Coastal Airline | 8P | PCO | Canada |
| Pacific East Asia Cargo Airlines | Q8 | PEC | Philippines |
| Pacific Southwest Airlines | PS | PSX | United States |
| Pacific Wings | LW | NMI | United States |
| Pakistan International Airlines | PK | PIA | Pakistan |
| Palau Trans Pacific Airline | GP | PTP | Palau |
| Palestinian Airlines | PF | PNW | Egypt |
| Pamir Airways | NR | PIR | Afghanistan |
| PAN Air | PV | PNR | Spain |
| Pan American Airways | PA | PAA | United States |
| Pan American World Airways | PA | PAA | United States |
| Panafrican Airways | PQ | PNF | Ivory Coast |
| Pantanal Linhas AA?reas | P8 | PTN | Brazil |
| Paramount Airways | I7 | PMW | India |
| PB Air | 9Q | PBA | Thailand |
| Pearl Airways | HP | HPA | Haiti |
| Pegasus Airlines | H9 | PGT | Turkey |
| Peninsula Airways | KS | PEN | United States |
| Perm Airlines | P9 | PGP | Russia |
| Philippine Airlines | PR | PAL | Philippines |
| Phuket Air | 9R | VAP | Thailand |
| Piedmont Airlines (1948-1989) | PI | PDT | United States |
| Pinnacle Airlines | 9E | FLG | United States |
| PLUNA | PU | PUA | Uruguay |
| PMTair | U4 | PMT | Cambodia |
| Polar Air Cargo | PO | PAC | United States |
| Polynesian Airlines | PH | PAO | Samoa |
| Polynesian Blue | DJ | PLB | New Zealand |
| Porter Airlines | PD | POE | Canada |
| Portugalia | NI | PGA | Portugal |
| Potomac Air | BK | PDC | United States |
| Precision Air | PW | PRF | Tanzania |
| President Airlines | TO | PSD | Cambodia |
| Primaris Airlines | FE | WCP | United States |
| Private Wings Flugcharter | 8W | PWF | Germany |
| Pulkovo Aviation Enterprise | FV | PLK | Russia |
| Qantas | QF | QFA | Australia |
| Qatar Airways | QR | QTR | Qatar |
| Redhill Aviation | 8L | RHC | United Kingdom |
| Reem Air | V4 | REK | Kyrgyzstan |
| Regional | YS | RAE | France |
| Regional Express | ZL | RXA | Australia |
| RegionsAir | 3C | CEA | United States |
| Reno Air | QQ | ROA | United States |
| Republic Airlines | RW | RPA | United States |
| Republic Express Airlines | RH | RPH | Indonesia |
| Rico Linhas Aereas | C7 | RLE | Brazil |
| Rio Grande Air | E2 | GRN | United States |
| Rio Sul Servicos Aereos Regionais | SL | RSL | Brazil |
| Rotation International Air Services | GZ | RAR | Ethiopia |
| Royal Air Force | RR | RFR | United Kingdom |
| Royal Air Force of Oman | RS | MJN | Oman |
| Royal Air Maroc | AT | RAM | Morocco |
| Royal Airlines | R0 | RPK | Pakistan |
| Royal Aruban Airline | V5 | RYL | Aruba |
| Royal Brunei Airlines | BI | RBA | Brunei |
| Royal Jordanian | RJ | RJA | Jordan |
| Royal Khmer Airlines | RK | RKH | Cambodia |
| Royal Nepal Airlines | RA | RNA | Nepal |
| Royal Phnom Penh Airways | RL | PPW | Cambodia |
| Royal Tongan Airlines | WR | HRH | Tonga |
| Russian Sky Airlines | P7 | ESL | Russia |
| Rwandair Express | WB | RWD | Rwanda |
| Ryan International Airlines | RD | RYN | United States |
| Ryanair | FR | RYR | Ireland |
| S7 Airlines | S7 | SBI | Russia |
| SAETA | EH | SET | Ecuador |
| Safair | FA | SFR | South Africa |
| SAM Colombia | MM | SAM | Colombia |
| Sama Airlines | ZS | SMY | Saudi Arabia |
| Samara Airlines | E5 | BRZ | Russia |
| San Juan Airlines | 2G | MRR | United States |
| Santa Barbara Airlines | S3 | BBR | Venezuela |
| Saratov Aviation Division | 6W | SOV | Russia |
| SAS Braathens | SK | CNO | Norway |
| Sat Airlines | HZ | SOZ | Kazakhstan |
| SATA Air Acores | SP | SAT | Portugal |
| SATA International | S4 | RZO | Portugal |
| Saudi Arabian Airlines | SV | SVA | Saudi Arabia |
| Scandinavian Airlines System | SK | SAS | Sweden |
| Seaborne Airlines | BB | SBS | United States |
| Servicios de Transportes Aereos Fueguinos | FS | STU | Argentina |
| Shaheen Air International | NL | SAI | Pakistan |
| Shandong Airlines | SC | CDG | China |
| Shanghai Airlines | FM | CSH | China |
| Shanxi Airlines | 8C | CXI | China |
| Shenzhen Airlines | ZH | CSZ | China |
| Shovkoviy Shlyah | S8 | SWW | Ukraine |
| Shuttle America | S5 | TCF | United States |
| Sibaviatrans | 5M | SIB | Russia |
| Sichuan Airlines | 3U | CSC | China |
| Siem Reap Airways | FT | SRH | Cambodia |
| Sierra National Airlines | LJ | SLA | Sierra Leone |
| Silk Way Airlines | ZP | AZQ | Azerbaijan |
| SilkAir | MI | SLK | Singapore |
| Singapore Airlines | SQ | SIA | Singapore |
| Singapore Airlines Cargo | SQ | SQC | Singapore |
| SITA | XS | SIT | Belgium |
| Skagway Air Service | N5 | SGY | United States |
| Sky Airline | H2 | SKU | Chile |
| Sky Eyes | I6 | SEQ | Thailand |
| Sky Trek International Airlines | 1I | PZR | United States |
| Skybus Airlines | SX | SKB | United States |
| SkyEurope | NE | ESK | Slovakia |
| SkyExpress | XP | SXR | Russia |
| SkyKing Turks and Caicos Airways | RU | SKI | Turks and Caicos Islands |
| Skymark Airlines | BC | SKY | Japan |
| Skynet Airlines | SI | SIH | Ireland |
| Skynet Asia Airways | 6J | SNJ | Japan |
| Skyservice Airlines | 5G | SSV | Canada |
| Skywalk Airlines | AL | SYX | United States |
| Skyways Express | JZ | SKX | Sweden |
| SkyWest | OO | SKW | United States |
| Slok Air Gambia | S0 | OKS | Gambia |
| Slovak Airlines | 6Q | SLL | Slovakia |
| Solomon Airlines | IE | SOL | Solomon Islands |
| Sosoliso Airlines | SO | OSL | Nigeria |
| South African Airways | SA | SAA | South Africa |
| South East Asian Airlines | DG | SRQ | Philippines |
| Southern Winds Airlines | A4 | SWD | Argentina |
| Southwest Airlines | WN | SWA | United States |
| Spanair | JK | JKK | Spain |
| Spicejet | SG | SEJ | India |
| Spirit Airlines | NK | NKS | United States |
| Spring Airlines | 9S | CQH | China |
| SriLankan Airlines | UL | ALK | Sri Lanka |
| Star Flyer | 7G | SFJ | Japan |
| Sterling Airlines | NB | SNB | Denmark |
| Sudan Airways | SD | SUD | Sudan |
| Sun Air (Fiji) | PI | SUF | Fiji |
| Sun Air of Scandinavia | EZ | SUS | Denmark |
| Sun Country Airlines | SY | SCX | United States |
| Sun D'Or | 7L | ERO | Israel |
| SunExpress | XQ | SXS | Turkey |
| Sunshine Express Airlines | CQ | EXL | Australia |
| Sunwing Airlines | WG | SWG | Canada |
| Superior Aviation | SO | HKA | United States |
| Surinam Airways | PY | SLM | Suriname |
| Swe Fly | WV | SWV | Sweden |
| SwedJet Airways | VD | BBB | Sweden |
| Swedline Express | SM | SRL | Sweden |
| Swiss International Air Lines | LX | SWR | Switzerland |
| Swissair | SR | SWR | Switzerland |
| Syrian Arab Airlines | RB | SYR | Syrian Arab Republic |
| TAAG Angola Airlines | DT | DTA | Angola |
| TACV | VR | TCV | Portugal |
| TAM Brazilian Airlines | JJ | TAM | Brazil |
| TAM Mercosur | PZ | LAP | Paraguay |
| TAME | EQ | TAE | Ecuador |
| TAMPA | QT | TPA | Colombia |
| Tandem Aero | TQ | TDM | Moldova |
| TAP Portugal | TP | TAP | Portugal |
| Tarom | RO | ROT | Romania |
| Tassili Airlines | SF | DTH | Algeria |
| Tatarstan Airlines | U9 | TAK | Russia |
| Tavrey Airlines | T6 | TVR | Ukraine |
| Tbilaviamsheni | L6 | VNZ | Georgia |
| Teamline Air | L9 | TLW | Austria |
| Thai Air Cargo | T2 | TCG | Thailand |
| Thai AirAsia | FD | AIQ | Thailand |
| Thai Airways International | TG | THA | Thailand |
| Thai Sky Airlines | 9I | TKY | Thailand |
| Thai Star Airlines | T9 | TSX | Thailand |
| Thomas Cook Airlines | MT | TCX | United Kingdom |
| Thomas Cook Airlines | FQ | TCW | Belgium |
| Thomsonfly | BY | TOM | United Kingdom |
| Tiara Air | 3P | TNM | Aruba |
| Tiger Airways | TR | TGW | Singapore |
| Tiger Airways Australia | TT | TGW | Australia |
| Titan Airways | ZT | AWC | United Kingdom |
| TNT Airways | 3V | TAY | Belgium |
| Tobruk Air | 7T | TOB | Libya |
| Tol-Air Services | TI | TOL | United States |
| Trans Mediterranean Airlines | TL | TMA | Lebanon |
| Trans States Airlines | AX | LOF | United States |
| Trans World Airlines | TW | TWA | United States |
| Transaero Airlines | UN | TSO | Russia |
| TransAsia Airways | GE | TNA | Taiwan |
| Transavia Holland | HV | TRA | Netherlands |
| Transaviaexport | AL | TXC | Belarus |
| Transbrasil | TR | TBA | Brazil |
| Transeuropean Airlines | UE | TEP | Russia |
| TransMeridian Airlines | T9 | TRZ | United States |
| Transmile Air Services | TH | TSE | Malaysia |
| Transwest Air | 9T | ABS | Canada |
| Trast Aero | S5 | TSJ | Kyrgyzstan |
| Travel Service | QS | TVS | Czech Republic |
| Tri-MG Intra Asia Airlines | GY | TMG | Indonesia |
| TRIP Linhas Aereas | 8R | TIB | Brazil |
| Tropic Air | PM | TOS | Belize |
| Tropical Airways | M7 | TBG | Haiti |
| TUIfly Nordic | 6B | BLX | Sweden |
| Tulip Air | TD | TLP | Netherland |
| Tuninter | UG | TUI | Tunisia |
| Tunisair | TU | TAR | Tunisia |
| Turan Air | 3T | URN | Azerbaijan |
| Turkish Airlines | TK | THY | Turkey |
| Twin Jet | T7 | TJT | France |
| Ukraine International Airlines | PS | AUI | Ukraine |
| Ukrainian Cargo Airways | 6Z | UKS | Ukraine |
| UM Airlines | UF | UKM | Ukraine |
| United Airlines | UA | UAL | United States |
| United Parcel Service | 5X | UPS | United States |
| Ural Airlines | U6 | SVR | Russia |
| US Airways | US | USA | United States |
| USA Jet Airlines | U7 | JUS | United States |
| USA3000 Airlines | U5 | GWY | United States |
| UTair Aviation | UT | UTA | Russia |
| Uzbekistan Airways | HY | UZB | Uzbekistan |
| V Australia Airlines | VA | VAU | Australia |
| Valuair | VF | VLU | Singapore |
| Varig Logistica | LC | VLO | Brazil |
| VASP | VP | VSP | Brazil |
| Viaggio Air | VM | VOA | Bulgaria |
| Vietnam Airlines | VN | HVN | Vietnam |
| VIM Airlines | NN | MOV | Russia |
| Virgin America | VX | VRD | United States |
| Virgin Atlantic Airways | VS | VIR | United Kingdom |
| Virgin Blue | DJ | VBI | Australia |
| Virgin Blue | DJ | VOZ | Australia |
| Virgin Express | TV | VEX | Belgium |
| Virgin Nigeria Airways | VK | VGN | Nigeria |
| Viva Macau | ZG | VVM | Macao |
| Vladivostok Air | XF | VLK | Russia |
| VLM Airlines | VG | VLM | Belgium |
| Volare Airlines | VE | VLE | Italy |
| Volaris | Y4 | VOI | Mexico |
| Volga-Dnepr Airlines | VI | VDA | Russia |
| Voyageur Airways | VC | VAL | Canada |
| VRG Linhas Aereas | RG | VRN | Brazil |
| Vueling Airlines | VY | VLG | Spain |
| WebJet Linhas Aereas | WJ | WEB | Brazil |
| Welcome Air | 2W | WLC | Austria |
| West Air Sweden | PT | SWN | Sweden |
| Western Airlines | WA | WAL | United States |
| WestJet | WS | WJA | Canada |
| Westward Airways | CN | WWD | United States |
| Wideroe | WF | WIF | Norway |
| Wind Jet | IV | JET | Italy |
| Wings Air | 1W | WON | Indonesia |
| Wings of Alaska | K5 | WAK | United States |
| Wizz Air | W6 | WVL | Bulgaria |
| World Airways | WO | WOA | United States |
| Wright Air Service | 8V | WRF | United States |
| Xiamen Airlines | MF | CXA | China |
| XL Airways France | SE | SEU | France |
| Xtra Airways | XP | CXP | United States |
| Yamal Airlines | YL | LLM | Russia |
| Yangtze River Express | Y8 | YZR | China |
| Yemenia | IY | IYE | Yemen |
| Yunnan Airlines | 3Q | CYH | China |
| Yuzhmashavia | 2N | UMK | Ukraine |
| Zambian Airways | Q3 | MBN | Zambia |
| Zimex Aviation | C4 | IMX | Switzerland |
| Zip | 3J | WZP | Canada |
| Zoom Airlines | Z4 | OOM | Canada |
