| 1 | ACA | Air Canada | IATA: AC, Callsign: Air Canada, IATA Prefix: 014, | CDN | AVCODES |
| 2 | ACA | Air Canada | IATA: AC | | ICAO1 |
| 3 | ACA | ALUMINUM COMPANY OF AMERICA (ALCOA) | | | PWRC |
| 4 | ACA | Air Canada | | CDN | TRAFFIC |
| 5 | ACAA | AMER-CANA GALLERIES | | | SCAC4 |
| 6 | ACAB | AMERICAN CAB CO | | | SCAC3 |
| 7 | ACAB | ACROLAB LTD | | | SCAC4 |
| 8 | ACAC | ACACIA VAN & STORAGE CO | | | SCAC3 |
| 9 | ACAC | Air Canada Cargo | Real: ACA / AC, Air Canada Cargo is the cargo service subsidiary of Air Canada. | CDN | TRAFFIC |
| 10 | ACAD | ACADEMY VAN & STORAGE COMPANY, INC | | | SCAC3 |
| 11 | ACAD | ACADEMY VAN & STORAGE COMPANY, INC | | | SCAC4 |
| 12 | ACAD | Academy Bus Lines | Real: ACADEMY | USA | TRAFFIC |
| 13 | ACAE | AMERICAN CARTAGE AGENCY LTD | | | SCAC4 |
| 14 | ACAF | A A CARRIERS INC | | | SCAC3 |
| 15 | ACAG | ACTION AIR SERVICES INC | | | SCAC3 |
| 16 | ACAG | AUTOTRANSPORTES DE CARGA AGUILAS DE | | | SCAC4 |
| 17 | ACAH | ACCA TRUCKING INC | | | SCAC3 |
| 18 | ACAI | ALL-CAL TOURS INC | | | SCAC3 |
| 19 | ACAI | ALTAMIRANO CAMPOS, ISRAEL | | | SCAC4 |
| 20 | ACAJ | A C T INC | | | SCAC3 |
| 21 | ACAK | A C A TRUCKING CO INC | | | SCAC3 |
| 22 | ACAL | ACTION CARTAGE INC | | | SCAC3 |
| 23 | ACAM | AMERICAN RAMP TRANSIT INC | | | SCAC4 |
| 24 | ACAN | ACTION AMERICAN CHARTER COACHES | | | SCAC3 |
| 25 | ACAN | ACAN WINDOW SYSTEMS INC | | | SCAC4 |
| 26 | ACAO | ACTIVE MOVING AND STORAGE | | | SCAC3 |
| 27 | ACAO | AHTICAL TRANSPORT INC | | | SCAC4 |
| 28 | ACAP | ACE & ACME INC | | | SCAC3 |
| 29 | ACAP | ACAM TRANSPORT INC | | | SCAC4 |
| 30 | ACAQ | ACE CARTAGE CO | | | SCAC3 |
| 31 | ACAQ | ARMOIRES CUISINES ACTION | | | SCAC4 |
| 32 | ACAR | AIR CARGO AMERICA MOTOR | | | SCAC3 |
| 33 | ACAR | AMERICAN CARGOES INC | | | SCAC4 |
| 34 | ACAS | ACE MOVING & STORAGE INC | | | SCAC3 |
| 35 | ACAS | AIR CARGO EXPRESS | | | SCAC4 |
| 36 | ACAT | ARMENTROUT TRUCK LINE | | | SCAC3 |
| 37 | ACAT | ABSOLUTE COURIER & TRANSPORT INC | | | SCAC4 |
| 38 | ACAU | ARCTIC CONTAINER OY | | FIN | BIC |
| 39 | ACAU | ARAWAK CARIBBEAN LINE LTD. | | | SCAC3 |
| 40 | ACAU | ARCTIC CONTAINER OY | | | SCAC4 |
| 41 | ACAW | AMERICAL TRANSPORT INC | | | SCAC3 |
| 42 | ACAX | Honeywell International, Inc. | added 7/2000; 7/2000-7/2005 | | NAKINA |
| 43 | ACAX | AlliedSignal Inc. | added 1/1999; eliminated 7/2000 | | NAKINA |
| 44 | ACAX | Allied Chemical Co. (Allied Corp.) | added 7/1993; eliminated 1/1999 | | NAKINA |
| 45 | ACAX | Allied Chemicals Canada, Inc. | added 10/1988; eliminated 7/1993 | | NAKINA |
| 46 | ACAX | Allied Canada, Ltd. | added 7/1987; eliminated 10/1988 | | NAKINA |
| 47 | ACAX | Allied Chemical, a Division of Allied Canada, Inc. | added 5/1983; 1/1985; eliminated 7/1987 | | NAKINA |
| 48 | ACAX | Allied Chemical Canada, Ltd. | eliminated 5/1983 | | NAKINA |
| 49 | ACAX | Aluminum Co. of America | 7/1923 | | NAKINA |
| 50 | ACAX | Allied Chemical Canada, Ltd. | eliminated 5/83 | | NRHS |
| 51 | ACAX | Allied Chemical, a Division of Allied Canada, Inc. | added 5/83; eliminated 7/87 | | NRHS |
| 52 | ACAX | Allied Canada, Ltd. | added 7/87; eliminated 10/88 | | NRHS |
| 53 | ACAX | Allied Chemicals Canada, Inc. | added 10/88; eliminated 7/93 | | NRHS |
| 54 | ACAX | Allied Chemical Co. (Allied Corp.) | added 7/93; eliminated 1/99 | | NRHS |
| 55 | ACAX | AlliedSignal Inc. | added 1/99; eliminated 7/2000 | | NRHS |
| 56 | ACAX | Honeywell International, Inc. | added 7/2000; 7/2000 | | NRHS |
| 57 | ACAX | *ALUMINUM COMPANY OF AMERICA | | | PWRC |
| 58 | ACAX | *ALLIED SIGNAL [ALLIED CHEMICAL DIV OF CANADA] (ALLIED CORPORATION) | | | PWRC |
| 59 | ACAX | +HONEYWELL INTERNATIONAL, INC. | | | PWRC |
| 60 | ACAX | Aluminum of America (Alcoa) | | | RSRV |
| 61 | ACAX | HONEYWELL INTERNATIONAL INC | | | SCAC4 |
| 62 | ACAY | ACADEMY AIR CARGO INC | | | SCAC3 |
