| 1 | ACM | Air Caledonia, Inc. | Callsign: West Cal, | CDN | AVCODES |
| 2 | ACM | AVIAC S.A. de C.V. (Aereo Vias Centroamericanas Sociedad Anonima de Capital Variable) | | HN | AVCODES |
| 3 | ACM | Air Caledonia | | | ICAO1 |
| 4 | ACMB | ACCENT MOVING & STORAGE | | | SCAC3 |
| 5 | ACMC | AC MEDICAL SUPPLIES | | | SCAC4 |
| 6 | ACMD | ACME DISTRIBUTION CENTERS, INC | | | SCAC3 |
| 7 | ACMD | ACME DISTRIBUTION CENTERS INC | | | SCAC4 |
| 8 | ACME | ACME CONSTRUCTION CO INC | | | SCAC4 |
| 9 | ACMF | ACME FURNITURE CO | | | SCAC3 |
| 10 | ACMF | ACTIUM RESOURCES LTD | | | SCAC4 |
| 11 | ACMG | ACME MOVING & STORAGE COMPANY | | | SCAC3 |
| 12 | ACMG | ADVANCE MACHINES LTD | | | SCAC4 |
| 13 | ACMH | ACME MOVING & STORAGE | | | SCAC3 |
| 14 | ACMH | ACME MOVING & STORAGE | | | SCAC4 |
| 15 | ACMI | AIR CITY MOVING & STORAGE COMPANY | | | SCAC3 |
| 16 | ACMJ | ACME MOVING & STORAGE INC | | | SCAC4 |
| 17 | ACMK | ACME TRUCKING INC | | | SCAC3 |
| 18 | ACML | ACTION MOVING SERVICES INC | | | SCAC3 |
| 19 | ACML | AIRCRAFT MAINTENANCE & SUPPORT | | | SCAC4 |
| 20 | ACMM | ACME MOVING & STORAGE INC | | | SCAC3 |
| 21 | ACMN | ACME TRANSFER & STORAGE | | | SCAC3 |
| 22 | ACMO | ABCO MOVING & STORAGE INC | | | SCAC3 |
| 23 | ACMP | ACME PIANO MOVING COMPANY | | | SCAC3 |
| 24 | ACMP | AMERICAN COMPRESSED STEEL CORP | | | SCAC4 |
| 25 | ACMQ | ACME CARTAGE INC | | | SCAC3 |
| 26 | ACMR | A CRYSTAL MOVING & STORAGE COMPANY | | | SCAC4 |
| 27 | ACMS | ACTION MOVING & STORAGE INC | | | SCAC4 |
| 28 | ACMT | ACE MOVING & STORAGE INC | | | SCAC3 |
| 29 | ACMT | ACME TRANSPORTATION INC | | | SCAC4 |
| 30 | ACMU | AMACAL AGENCE MARITIME CALEDONIENNE | | | SCAC3 |
| 31 | ACMV | ALL CAL MOVING SYSTEMS | | | SCAC3 |
| 32 | ACMV | ACUNA CAMACHO, MARTHA ELENA | | | SCAC4 |
| 33 | ACMW | ACME TRANSPORTATION COMPANY | | | SCAC4 |
| 34 | ACMX | Voith Hydro, Inc. | added 1/1987; eliminated 7/1989; 1/1994-7/2005 | | NAKINA |
| 35 | ACMX | Allis-Chalmers Hydro, Inc. | added 7/1986; eliminated 1/1987 | | NAKINA |
| 36 | ACMX | Allis-Chalmers Corp. | added 10/1971; 1/1975-1/1985; eliminated 7/1986 | | NAKINA |
| 37 | ACMX | Algonquin Chemical Co. | 1/1950 | | NAKINA |
| 38 | ACMX | Allis-Chalmers Manufacturing Co. | added 10/1957; 10/1957-4/1970; eliminated 10/1971 | | NAKINA |
| 39 | ACMX | The American Commercial Alcohol Corp. | 7/1930 | | NAKINA |
| 40 | ACMX | Allis-Chalmers Manufacturing Co. | added 10/57; 10/57-4/70; eliminated 10/71 | | NRHS |
| 41 | ACMX | Allis-Chalmers Corp. | added 10/71; 1/75-1/80; eliminated 7/86 | | NRHS |
| 42 | ACMX | Allis-Chalmers Hydro, Inc. | added 7/86; eliminated 1/87 | | NRHS |
| 43 | ACMX | Voith Hydro, Inc. | added 1/87; eliminated 7/89; 1/94-7/2000 | | NRHS |
| 44 | ACMX | *ALGONQUIN CHEMICAL CO. | | | PWRC |
| 45 | ACMX | *AMERICAN COMMERCIAL ALCOHOL CORP. | | | PWRC |
| 46 | ACMX | +VOITH HYDRO, INC. [ALLIS-CHALMERS CORP.; ALLIS-CHALMERS HYDRO] | | | PWRC |
| 47 | ACMX | Allis-Chalmers Corporation (Voith Hydro) | | | RSRV |
| 48 | ACMX | ALLIS-CHALMERS MANUFACTURING CO | | | SCAC3 |
| 49 | ACMX | VOITH HYDRO INC | | | SCAC4 |
| 50 | ACMY | ACME TRANSPORT CO INC | | | SCAC4 |
