| 1 | AUP | Avia Business Group | | RUS | AVCODES |
| 2 | AUP | Avia Business Group | | | ICAO1 |
| 3 | AUPA | AUTO PARTES EL ARABE | | | SCAC4 |
| 4 | AUPC | AUTO PLACEMENT CENTER INC | | | SCAC3 |
| 5 | AUPD | ASSURED PACKAGE DELIVERY INC | | | SCAC3 |
| 6 | AUPE | AUTO PARTS EXPRESS INC | | | SCAC3 |
| 7 | AUPI | AUTO PORT INC | | | SCAC3 |
| 8 | AUPI | AUSTIN PRODUCTIONS INC | | | SCAC4 |
| 9 | AUPL | AUTOPORT LIMITED | | | SCAC3 |
| 10 | AUPO | AUSTINS PACKAGE DELIVERY | | | SCAC3 |
| 11 | AUPP | ACCU-TEMP TRANSPORTATION INC | | | SCAC3 |
| 12 | AUPT | AUTO-PORT INC | | | SCAC3 |
| 13 | AUPX | Austin Powder Co. | 7/1937-4/1970; eliminated 1/1975 | | NAKINA |
| 14 | AUPX | Austin Powder Co. | 4/38-4/70; eliminated 1/75 | | NRHS |
| 15 | AUPX | AUSTIN POWDER CO. | | | PWRC |
| 16 | AUPZ | AUTO PLANT | | | PWRC |
