| 1 | HAL | Hawaiian Airlines | IATA: HA, Callsign: Hawaiian, IATA Prefix: 173, | USA | AVCODES |
| 2 | HAL | Hawaiian Airlines | IATA: HA | | ICAO1 |
| 3 | HAL | Hawaiian Airlines | | USA | TRAFFIC |
| 4 | HALB | HALBERT BROTHERS, INC | | | SCAC1 |
| 5 | HALF | HALL TRANSFER LINES | | | SCAC4 |
| 6 | HALG | HALL ENTERPRISE II INC | | | SCAC4 |
| 7 | HALH | HIGH ANGLE LOGISTICS LLC | | | SCAC4 |
| 8 | HALICT | Halifax Corporation Transport | | GB | TRAFFIC |
| 9 | HALJ | HALEY, JAMES J TRUCKING CORP | | | SCAC4 |
| 10 | HALL | HALL, TERRY TRANSPORTATION LLC | | | SCAC4 |
| 11 | HALM | Halifax Metro Transit | | CDN | TRAFFIC |
| 12 | HALN | HALCOMB TRANSPORT LLC | | | SCAC4 |
| 13 | HALP | HARTMANN ASIA RTW LINE PTE LTD/HART | | | SCAC4 |
| 14 | HALR | HALO TRANSPORT LLC | | | SCAC4 |
| 15 | HALS | HARMONY LEASING INC | | | SCAC4 |
| 16 | HALT | HALLS TOWING SERVICE INC | | | SCAC4 |
| 17 | HALTON | Halton Transport | | GB | TRAFFIC |
| 18 | HALU | HEUNG-A LINE CO LTD | | ROK | BIC |
| 19 | HALU | NASM HOLLAND AMERICAN LINE | | | SCAC3 |
| 20 | HALU | NASM HOLLAND AMERICAN LINE | | | SCAC4 |
| 21 | HALV | HALVORSON AGRIBILITY LLC | | | SCAC4 |
| 22 | HALW | H A L TRUCKING | | | SCAC4 |
| 23 | HALX | Holland American Line — Westours Inc. | 7/2000-7/2005 (not listed) | | NAKINA |
| 24 | HALX | Holland American Line -- Westours Inc. | Jul-00 | | NRHS |
| 25 | HALX | HOLLAND AMERICA LINE - WESTOURS, INC. | | | PWRC |
| 26 | HALX | Holland American Line | | | RSRV |
| 27 | HALX | HOLLAND AMERICAN LINE-WESTOURS INC | | | SCAC4 |
| 28 | HALY | HALEY TRANSPORT | | | SCAC4 |
| 29 | HALZ | HALSTEAD ELEVATOR | | | PWRC |
