| 1 | AOX | Aerotaxi Del Valle | Callsign: Aerovalle, | CO | AVCODES |
| 2 | AOX | Aerotaxi Del Valle | | | ICAO1 |
| 3 | AOX | Tidewater Oil Co. | added 10/1956; 10/1957-10/1966; eliminated 7/1967 | | NAKINA |
| 4 | AOX | Tide Water Associated Oil Co. | 7/1937-7/1954; eliminated 10/1956 | | NAKINA |
| 5 | AOX | Associated Oil Co. | 8/1920-7/1935 | | NAKINA |
| 6 | AOX | Associated Oil Co. (Tide Water Associated Oil Co.) | Apr-38 | | NRHS |
| 7 | AOX | Tidewater Oil Co. | 1/52-10/66; eliminated 7/67 | | NRHS |
| 8 | AOX | TIDEWATER OIL CO. [ASSOCIATED OIL CO.; TIDE WATER ASSOCIATED OIL CO.] | | | PWRC |
| 9 | AOXC | AGRINOMIX INC | | | SCAC4 |
| 10 | AOXE | APOLLO EXPRESS INC | | | SCAC4 |
| 11 | AOXH | AGREDANO TRANSPORT | | | SCAC4 |
| 12 | AOXN | APOLLO EXPRESS INC | | | SCAC4 |
| 13 | AOXQ | A-1 EXPRESS DELIVERY SERVICE, INC | | | SCAC3 |
| 14 | AOXQ | A-ONE (A-1) EXPRESS DELIVERY SERVIC | | | SCAC4 |
| 15 | AOXR | A-ONE (A-1) EXPRESS INC | | | SCAC3 |
| 16 | AOXR | ARROYO TRANSPORT S DE RL | | | SCAC4 |
| 17 | AOXS | A-ONE (A-1) EXPRESS | | | SCAC3 |
| 18 | AOXS | AMBO EXPRESS | | | SCAC4 |
| 19 | AOXT | AGUERO TRANSPORT | | | SCAC4 |
