| 1 | HUB | Hub Airlines, Inc. | Callsign: Hub, | USA | AVCODES |
| 2 | HUB | Hub Airlines | | | ICAO1 |
| 3 | HUB | HUDSON BUS LINES | | | SCAC4 |
| 4 | HUBA | Hudson Bay | 1/1975-1/1980 | | NAKINA |
| 5 | HUBA | Hudson Bay | 1/75-1/80 | | NRHS |
| 6 | HUBA | BURLINGTON NORTHERN & SANTA FE RWY (BNSF) [HUDSON BAY CO. RR] | | | PWRC |
| 7 | HUBA | Hudson Bay (BNSF Railway) | | | RSRV |
| 8 | HUBB | HUB COMPUTER SOLUTIONS | | | SCAC4 |
| 9 | HUBD | HUB DISPLAYWORKS INC | | | SCAC4 |
| 10 | HUBERT | J. Hubert GmbH | | D | TRAFFIC |
| 11 | HUBF | HUB FREIGHT USA INC | | | SCAC4 |
| 12 | HUBG | HUDSON, BILLIE G | | | SCAC4 |
| 13 | HUBM | HUBBARD, BOB HORSE TRANSPORTATION I | | | SCAC4 |
| 14 | HUBO | HUB CITY TERMINALS INC | | | SCAC4 |
| 15 | HUBP | HUB INC | | | SCAC4 |
| 16 | HUBS | HUBBARDS TRANSPORTATION COMPANY | | | SCAC4 |
| 17 | HUBX | Hubbard Creamery Co. (North Western Refrigerator Line Co.) | 7/1935 | | NAKINA |
| 18 | HUBZ | HUBINGER COMPANY | | | PWRC |
| 19 | HUBZ | HUB GROUP INC | | | SCAC4 |
