| 10001 | ANOT | ARNOLD TRUCKING | | | SCAC3 |
| 10002 | ANOV | AMERICAN OF VIRGINIA INC | | | SCAC4 |
| 10003 | ANOW | ANTHONY TOWING SERVICE INC | | | SCAC3 |
| 10004 | ANOW | ATLASNAVIOS NAVEGACAO LDA | | | SCAC4 |
| 10005 | ANP | Antonair International (Pty) Ltd. | Callsign: Antonair, | LS | AVCODES |
| 10006 | ANP | Air Nigeria Development Ltd t/a Air Nigeria | IATA: VK, Callsign: Nico Fliers, IATA Prefix: 786, Ceased operations on 10 September 2012. Formerly Virgin Nigeria Airways VK/VGN and Nigerian Eagle Airlines | WAN | AVCODES |
| 10007 | ANP | Nigerian Eagle Airlines | IATA: VK, IATA Prefix: 786, Air Nigeria Development Ltd t/a Air Nigeria. Name changed from Virgin Nigeria Airways VK/VGN. | WAN | AVCODES |
| 10008 | ANP | Portuguese Naval Aviation (Aviaçao Naval Portuguesa) | | P | TRAFFIC |
| 10009 | ANPA | ANDERSON TRANSFER INC | | | SCAC3 |
| 10010 | ANPB | AMERICAN PACIFIC CARGO INC | | | SCAC4 |
| 10011 | ANPC | ANGIER TRUCKING | | | SCAC3 |
| 10012 | ANPC | AUTO ENTERPRISES INC | | | SCAC4 |
| 10013 | ANPD | ANDYS PRODUCE TRUCKING INC | | | SCAC3 |
| 10014 | ANPE | A & P ENTERPRISES | | | SCAC3 |
| 10015 | ANPE | ANP INTERNATIONAL CORPORATION | | | SCAC4 |
| 10016 | ANPF | ATLANTIC AND PACIFIC TRANSPORT INTE | | | SCAC3 |
| 10017 | ANPF | ASTRON MARITIME PTE LTD | | | SCAC4 |
| 10018 | ANPG | AMERICAN PACKING & CRATING OF TX LL | | | SCAC4 |
| 10019 | ANPI | A & P CARTAGE | | | SCAC3 |
| 10020 | ANPJ | ALLON TRANSPORTATION SERVICES INC | | | SCAC4 |
| 10021 | ANPM | AGAN TRANSPORT LLC | | | SCAC4 |
| 10022 | ANPN | ANDERSON PRODUCE INC | | | SCAC3 |
| 10023 | ANPO | ALLON TRANSPORTATION SERVICES INC | | | SCAC3 |
| 10024 | ANPO | ALLON LOGISTICS INC | | | SCAC4 |
| 10025 | ANPQ | ANDYS PACKAGE & PARCEL DELIVERY SER | | | SCAC3 |
| 10026 | ANPR | ANTELOPE TRANSPORTATION INC | | | SCAC3 |
| 10027 | ANPT | A&P TRANSPORTATION, INC | | | SCAC3 |
| 10028 | ANPU | AUSTRALIAN NATIONAL CONTAINER MANAG | | | SCAC3 |
| 10029 | ANPU | MAIRIT PLANT CJSC | | | SCAC4 |
| 10030 | ANPV | AMERICAN COMPLIANCE TECHNOLOGIES IN | | | SCAC4 |
| 10031 | ANPW | ALTIPLANIC SHIPPING INC | | | SCAC4 |
| 10032 | ANPX | Mobil Oil Co., a Division of Socony Mobil Oil Co., Inc. | added 4/1961; 4/1961; eliminated 1/1963 | | NAKINA |
| 10033 | ANPX | Anchor Petroleum Co. | 1/1943-10/1957; eliminated 4/1961 | | NAKINA |
| 10034 | ANPX | Anamosa Poultry & Egg Co. (Anamosa, Ia.) (North Western Refrigerator Line Co.) | 7/1935 | | NAKINA |
| 10035 | ANPX | Anamosa Poultry & Egg Co. | 7/1932 | | NAKINA |
| 10036 | ANPX | Anchor Petroleum Co. | 1/52-10/57; eliminated 4/61 | | NRHS |
| 10037 | ANPX | Mobil Oil Co., a Division of Socony Mobil Oil Co., Inc. | added 4/61; 4/61 | | NRHS |
| 10038 | ANPX | *ANAMOSA POULTRY & EGG CO. | | | PWRC |
| 10039 | ANPX | *MOBIL OIL CO. [ANCHOR PETROLEUM CO.] (ELIMINATED 1/1963) | | | PWRC |
| 10040 | ANPX | Anchor Petroleum Co. | | USA | TRAFFIC |
| 10041 | ANPY | ANP LOGISTICS LLC | | | SCAC4 |
| 10042 | ANQ | Aerolinea de Antioquia, S.A. (ADA) | Callsign: Antioquia, | CO | AVCODES |
| 10043 | ANQ | Aerolínea de Antioquia | | | ICAO1 |
| 10044 | ANQ | Aerolínea de Antioquia | | CO | TRAFFIC |
| 10045 | ANQC | ANTIQUE/CLASSIC CAR MOVERS | | | SCAC3 |
| 10046 | ANQC | ALMONTE LLC | | | SCAC4 |
| 10047 | ANQD | ANDREYS TRANSPORT | | | SCAC4 |
| 10048 | ANQE | ANTIQUE CAR CARRIERS INC | | | SCAC3 |
| 10049 | ANQG | ANSON MARITIMEC CORP | | | SCAC3 |
| 10050 | ANQH | ANDREA SHIPPING CORP LONDON U K | | | SCAC3 |
| 10051 | ANQI | ANR INC | | | SCAC4 |
| 10052 | ANQL | ATLANTIC LOGISTICS INC | | | SCAC4 |
| 10053 | ANQN | ANS TRANSPORTATION INC | | | SCAC4 |
| 10054 | ANQR | ANDERSON, R C TRUCKING & SON | | | SCAC3 |
| 10055 | ANQR | A L G TRANSPORT | | | SCAC4 |
| 10056 | ANQS | ANDERSON TRANSFER & STORAGE OF CONW | | | SCAC3 |
| 10057 | ANQT | ANTIQUE ENTERPRISES | | | SCAC3 |
| 10058 | ANQT | ANTIQUE ENTERPRISES | | | SCAC4 |
| 10059 | ANR | Aeronorte, S.A. | Callsign: Aeronorte, | CO | AVCODES |
| 10060 | ANR | Yan Air Ltd. | IATA: YE, Callsign: Yanair, | UA | AVCODES |
| 10061 | ANR | Angelina & Neches River R.R. Co. | 1/1975-7/2005 | | NAKINA |
| 10062 | ANR | Angelina & Neches River R.R. Co. | 1/75-7/2000 | | NRHS |
| 10063 | ANR | ANGELINA & NECHES RIVER RAILROAD COMPANY | | | PWRC |
| 10064 | ANR | Angelina and Neches River Railroad | | | RSRV |
| 10065 | ANR | Australian National Railways Comission | 1975 - 1998 | AUS | TRAFFIC |
| 10066 | ANRA | ANDRADE, MANUEL P JR | | | SCAC3 |
| 10067 | ANRA | ARANDA ROCHA, ARACELY | | | SCAC4 |
| 10068 | ANRB | ANDERSON, ROBERT A | | | SCAC3 |
| 10069 | ANRE | ANDERSON, ROBERT JR | | | SCAC3 |
| 10070 | ANRE | ANTLERS RESORT & MARINA INC | | | SCAC4 |
| 10071 | ANRF | ANR FREIGHT SYSTEM INC | | | SCAC3 |
| 10072 | ANRF | ANDERSON DETECTOR SHAFTS | | | SCAC4 |
| 10073 | ANRG | ANRIG TRUCK SERVICE | | | SCAC3 |
| 10074 | ANRH | AMERICAN RV SERVICE | | | SCAC4 |
| 10075 | ANRI | A&R TRANSPORT, INC | | | SCAC3 |
| 10076 | ANRI | A & R TRANSPORT INC | | | SCAC4 |
| 10077 | ANRI | Angelina and Neches River Railroad | Real: ANR | USA | TRAFFIC |
| 10078 | ANRJ | ANTENEN RESEARCH | | | SCAC4 |
| 10079 | ANRK | ADMIRAL STORAGE AND VAN INC | | | SCAC3 |
| 10080 | ANRL | A & R LAND TRANSITIONS INC | | | SCAC3 |
| 10081 | ANRL | ANRO LOGISTICS INC | | | SCAC4 |
| 10082 | ANRM | ALIANCA LINES | | | SCAC3 |
| 10083 | ANRM | ALIANCA NAVEGACAO & LOGISTICA LTDA | | | SCAC4 |
| 10084 | ANRN | ANDRES INCORPORATED | | | SCAC4 |
| 10085 | ANRO | ANTLERS INC | | | SCAC4 |
| 10086 | ANRP | ANDYS RAPID TRANSPORTATION | | | SCAC3 |
| 10087 | ANRQ | ANDERSONS, THE | | | SCAC3 |
| 10088 | ANRR | Apalachian Northern R.R. Co. | Real: AN | USA | TRAFFIC |
| 10089 | ANRT | ATLANTIC RELOCATION SYSTEMS | | | SCAC4 |
| 10090 | ANRV | A & R TRAVEL INC | | | SCAC3 |
| 10091 | ANRY | ALLEN, R K OIL CO INC | | | SCAC4 |
| 10092 | ANRZ | ANDALEX RESOURCES | | | PWRC |
| 10093 | ANS | Air Nostrum L.A.M.S.A. | IATA: YW, Callsign: Nostru Air, ICAO designator changed to ANE. Founded on 23 May 1994. | E | AVCODES |
| 10094 | ANS | Andes Lineas Aereas S.A. | IATA: OY, Callsign: Aeroandes, Accounting code 650 recalled by IATA. Designator OY reinstated by IATA | RA | AVCODES |
| 10095 | ANS | Andes Lineas Aereas | | | ICAO1 |
| 10096 | ANS | Alec and Southern Railway | | USA | TRAFFIC |
| 10097 | ANS | ANSETT LOGISTICS S.R.L. | | RO | VKM |
| 10098 | ANSA | ANSA I T S INC | | | SCAC4 |
| 10099 | ANSB | ANDERSEN STEEL BUILDING INC | | | SCAC3 |
| 10100 | ANSB | ANS ENTERPRISE INC | | | SCAC4 |
