| 1 | AUB | Augsburg Airways GmbH | IATA: IQ, Callsign: Augsburg Air, IATA Prefix: 614, Ceased operations on 31 October 2013. Founded in 1980 as Interot Airways. | D | AVCODES |
| 2 | AUB | Augsburg Airways | IATA: IQ | | ICAO1 |
| 3 | AUBA | AUTOBAHN FREIGHT LINES LTD | | | SCAC4 |
| 4 | AUBC | AUTOBUS CARON & LAURIN LTD | | | SCAC3 |
| 5 | AUBF | AUTOTRANSPORTES HERMANOS DIAZ | | | SCAC4 |
| 6 | AUBG | AUTOBRIDGE | | | SCAC3 |
| 7 | AUBH | AUTOBUS COUTURE & CAHILL INC | | | SCAC3 |
| 8 | AUBI | AUTOBUS INTER-CITY (1986) ENR | | | SCAC3 |
| 9 | AUBI | AUTO BARN INC, THE | | | SCAC4 |
| 10 | AUBK | AUBURN TRUCKING CO INC | | | SCAC3 |
| 11 | AUBL | AUTOBUS L P R INC | | | SCAC3 |
| 12 | AUBN | AUBURNDALE COMPANY INC | | | SCAC3 |
| 13 | AUBO | AUDUBON-CESCO CORP | | | SCAC4 |
| 14 | AUBP | AUTOMOBILE TRANSPORT INC | | | SCAC3 |
| 15 | AUBR | AUBURN EXPRESS SERVICE | | | SCAC3 |
| 16 | AUBS | AUTO BUSES DE HUMACAO INC | | | SCAC3 |
| 17 | AUBT | AUBURN TRANSPORT INC | | | SCAC3 |
| 18 | AUBX | U.S. Plastic Lumber Ltd. | 7/2005 (not listed) | | NAKINA |
| 19 | AUBX | US PLASTIC LUMBER LTD. | | | PWRC |
| 20 | AUBX | US Plastic Lumber | | | RSRV |
