| 5001 | AFW | Afriwest Airlines Ltd. | Callsign: Afriwest Air, | WAN | AVCODES |
| 5002 | AFW | Afrique Regional Airways | Callsign: Afrair, | CI | AVCODES |
| 5003 | AFW | Africa World Airlines Limited | IATA: AW, Callsign: Blackstar, | GH | AVCODES |
| 5004 | AFW | Afrique Regional Airways | | | ICAO1 |
| 5005 | AFWC | ASH FORK WATER COMPANY | | | SCAC3 |
| 5006 | AFWC | ALLROUND FORWARDING CO INC | | | SCAC4 |
| 5007 | AFWD | AARON FORWARDING INC | | | SCAC3 |
| 5008 | AFWG | ATRADE FORWARDING CORP | | | SCAC3 |
| 5009 | AFWG | ATRADE FORWARDING CORP | | | SCAC4 |
| 5010 | AFWH | AMERICAN FURNITURE WAREHOUSE CO | | | SCAC3 |
| 5011 | AFWH | AMERICAN FURNITURE WAREHOUSE COMPAN | | | SCAC4 |
| 5012 | AFWI | ARNIES FLOWERS INC | | | SCAC4 |
| 5013 | AFWL | AMERICAN FORWARDING LTD | | | SCAC3 |
| 5014 | AFWM | A-FLOWERS MOVERS | | | SCAC3 |
| 5015 | AFWN | ASSOCIATED FREIGHTWAYS INC | | | SCAC3 |
| 5016 | AFWO | ACE FORWARDING INC | | | SCAC4 |
| 5017 | AFWQ | ALISON FREIGHTWAYS INC | | | SCAC3 |
| 5018 | AFWR | AMERICAN INTERCONTINENTAL FORWARDER | | | SCAC3 |
| 5019 | AFWS | AIR FREIGHTWAYS INC | | | SCAC3 |
| 5020 | AFWY | AIR FREIGHTWAY CORP | | | SCAC3 |
| 5021 | AFWY | AMERICAN FREIGHTWAYS INCORPORATED | | | SCAC4 |
| 5022 | AFX | Airfreight Express Ltd. | IATA: 5Z, Ceased operations on 08 March 2002. | GB | AVCODES |
| 5023 | AFX | Air Freight Express, Inc. | Callsign: Skypac, | USA | AVCODES |
| 5024 | AFX | Airfreight Express | | | ICAO1 |
| 5025 | AFXC | A FOX COURIER INC | | | SCAC3 |
| 5026 | AFXC | AFX INDUSTRIES S A DE C V | | | SCAC4 |
| 5027 | AFXE | ANTONINI FREIGHT EXPRESS INC | | | SCAC4 |
| 5028 | AFXG | AFX LOGISTICS INC | | | SCAC4 |
| 5029 | AFXI | ALL FREIGHT XPRESS, INC | | | SCAC3 |
| 5030 | AFXL | AFFORDABLE TRANSPORTATION LLC | | | SCAC4 |
| 5031 | AFXN | ACTIVE FORCE TRANSPORT | | | SCAC4 |
| 5032 | AFXQ | AFX TRUCKING INC | | | SCAC4 |
| 5033 | AFY | Africa Chartered Services | Callsign: Africa Chartered, | WAN | AVCODES |
| 5034 | AFY | Air Foyle (Executive) Ltd. | Callsign: Skyman, | GB | AVCODES |
| 5035 | AFY | Africa Chartered Services | | | ICAO1 |
| 5036 | AFYB | AFFINITY BIOLOGICALS INC | | | SCAC4 |
| 5037 | AFYL | A FAMILY TRADITION LLC | | | SCAC4 |
| 5038 | AFYT | AES FLETES Y TRANSFERS SA DE CV | | | SCAC4 |
| 5039 | AFZ | Africa Freight Services (Z) Limited | Callsign: Afreight, | Z | AVCODES |
| 5040 | AFZ | Africa Freight Services | | | ICAO1 |
| 5041 | AFZ | AMERICAN FRUCTOSE | | | PWRC |
| 5042 | AFZI | AFS INC | | | SCAC4 |
| 5043 | AFZL | AFZAL MARITIME LTD. | | | SCAC3 |
| 5044 | AFZL | ALFONSOS TRUCKING | | | SCAC4 |
| 5045 | AFZT | AFZ TRUCKING INC | | | SCAC3 |
| 5046 | AG | Air Contractors (Ireland) Limited | ICAO: ABR, Callsign: Contract, IATA Prefix: 912, Designator AG recalled by IATA. Company transfered from United Kingdom | IRL | AVCODES |
| 5047 | AG | Air Ghana Limited | ICAO: GHN, Callsign: Air Ghana, IATA Prefix: 458, Designator AG* recalled by IATA | GH | AVCODES |
| 5048 | AG | Air Contractors (UK) Limited | ICAO: ABR, Callsign: Contract, IATA Prefix: 912, Company transfered to Ireland. Name changed from Hunting Air Cargo Airlines Ltd. | GB | AVCODES |
| 5049 | AG | Hunting Air Cargo Airlines Ltd. | ICAO: ABR, Callsign: Contract, Name changed to Air Contractors (UK) Limited | GB | AVCODES |
| 5050 | AG | Air Trans Africa | Callsign: Transaf, Name change to Affretair | RNY | AVCODES |
| 5051 | AG | Aeronaves Del Centro | ICAO: AGA, Designator AG recalled by IATA | YV | AVCODES |
| 5052 | AG | Affretair (Private) Limited | ICAO: AFM, Callsign: Afro, Designator AG recalled by IATA | ZW | AVCODES |
| 5053 | AG | Arubaanse Luchtvaart Maatschappij N.V dba Aruba Airlines | ICAO: ARU, Callsign: Aruba, IATA Prefix: 209, IATA Accounting and Prefix codes recalled. IATA Prefix code reinstated. | ARU | AVCODES |
| 5054 | AG | Agni Air Pvt. Ltd. | Founded in 2006. Ceased operations in November 2012. | NEP | AVCODES |
| 5055 | AG | Arubaanse Luchtvaart Maatschappij N.V dba Aruba Airlines | ICAO: ARU, Callsign: Aruba, IATA Prefix: 209, IATA Accounting and Prefix codes recalled. | ARU | AVCODES |
| 5056 | AG | Galveston R.R., L.P. | added 7/1998; 7/2000-7/2005 | | NAKINA |
| 5057 | AG | The Bay Line R.R., L.L.C. | added 4/1998; eliminated 7/1998 | | NAKINA |
| 5058 | AG | Galveston R.R., L.P. | added 7/1997; eliminated 4/1998 | | NAKINA |
| 5059 | AG | The Bay Line R.R., L.L.C. | added 1/1997; eliminated 7/1997 | | NAKINA |
| 5060 | AG | A&G R.R., L.L.C. | eliminated 1/1997 | | NAKINA |
| 5061 | AG | Galveston R.R., L.P. | added 4/1994 | | NAKINA |
| 5062 | AG | Abbeville-Grimes Ry. Co., Inc. | added 7/1989; 1/1994; eliminated 4/1994 | | NAKINA |
| 5063 | AG | Abbeville-Grimes Ry. Co., Inc. | added 7/89; 1/94; eliminated 4/94 | | NRHS |
| 5064 | AG | Galveston R.R., L.P. | added 4/94 | | NRHS |
| 5065 | AG | A&G R.R., L.L.C. | eliminated 1/97 | | NRHS |
| 5066 | AG | The Bay Line R.R., L.L.C. | added 1/97; eliminated 7/97 | | NRHS |
| 5067 | AG | Galveston R.R., L.P. | added 7/97; eliminated 4/98 | | NRHS |
| 5068 | AG | The Bay Line R.R., L.L.C. | added 4/98; eliminated 7/98 | | NRHS |
| 5069 | AG | Galveston R.R., L.P. | added 7/98; 7/2000 | | NRHS |
| 5070 | AG | GALVESTON RAILROAD, LP [ABBYVILLE-GRIMES RWY.; A & G RAILROAD, LLC; THE BAY LINE RAILROAD, LLC] | | | PWRC |
| 5071 | AG | Abbeville-Grimes Railway (Bay Line Railroad) | | | RSRV |
| 5072 | AG | ABBEVILLE-GRIMES RAILWAY CO INC | | | SCAC4 |
| 5073 | AG | Abbeville-Grimes Ry. Co., Inc. | | USA | TRAFFIC |
| 5074 | AGA | New Georgia Ltd | Callsign: Agair, Name changed to AG Air Ltd | GE | AVCODES |
| 5075 | AGA | Aeronaves Del Centro | IATA: AG, Designator AG recalled by IATA | YV | AVCODES |
| 5076 | AGA | AG Air Ltd | Callsign: Geoline, AOC suspended by Georgian CAA on 13 January 2014. Name changed from New Georgia Ltd | GE | AVCODES |
| 5077 | AGA | Aeronaves Del Centro | | | ICAO1 |
| 5078 | AGA | AGA Gas AB | | SE | VKM |
| 5079 | AGAA | AMERICAN GOLD SEAFOODS | | | SCAC4 |
| 5080 | AGAB | ARGONAUT AB | | | SCAC3 |
| 5081 | AGAB | ARGONAUT AB | | | SCAC4 |
| 5082 | AGAE | ARGENTS EXPRESS GROUP | | | SCAC4 |
| 5083 | AGAF | ANDRETTI AUTOSPORT HOLDING COMPANY | | | SCAC4 |
| 5084 | AGAI | AGATE TRANSPORT INC | | | SCAC3 |
| 5085 | AGAL | AGA LOGISICS INC | | | SCAC4 |
| 5086 | AGAN | AAG TRANSPORTATION SERVICES INC | | | SCAC4 |
| 5087 | AGAO | AERO LOGISTICS | | | SCAC4 |
| 5088 | AGAP | ANGAD TRANSPORT | | | SCAC4 |
| 5089 | AGAQ | AUGUSTA TRANSFER AND STORAGE | | | SCAC3 |
| 5090 | AGAQ | AG SOURCE INC | | | SCAC4 |
| 5091 | AGAR | AGAR, J L | | | SCAC3 |
| 5092 | AGAR | ANDGAR CORPORATION | | | SCAC4 |
| 5093 | AGAS | AGRA TRANSPORT SERVICE INC | | | SCAC3 |
| 5094 | AGAS | AL'S GAS COMPANY | | | SCAC4 |
| 5095 | AGAU | LINDE GAS BENELUX | | NL | BIC |
| 5096 | AGAU | AGA GAS B.V. | | | SCAC3 |
| 5097 | AGAU | HOEKLOOS BV | | | SCAC4 |
| 5098 | AGAX | Anchor Gasoline Corp. | added 4/1954; 7/1954-10/1966; eliminated 1/1967 | | NAKINA |
| 5099 | AGAX | Anchor Gasoline Corp. | added 4/54; 10/57-10/66; eliminated 1/67 | | NRHS |
| 5100 | AGAX | ANCHOR GASOLINE CORP. | | | PWRC |
