| 1 | HAA | Helicopteros Agroforestal Ltda | Callsign: Agroforestal, | RCH | AVCODES |
| 2 | HAA | Harrison Air | Callsign: Harrison, | CDN | AVCODES |
| 3 | HAA | Helicopteros Agroforestal | | | ICAO1 |
| 4 | HAAA | HARI STONES LIMITED | | | SCAC4 |
| 5 | HAAB | HAAB, F C COMPANY INC | | | SCAC4 |
| 6 | HAAF | HALL AND SMITH ENERGY | | | SCAC4 |
| 7 | HAAG | HAAG FOODS & POULTRY INC | | | SCAC4 |
| 8 | HAAG | Haagse Tramweg Maatschappij | Real: HTM, City: Den Haag | NL | TRAFFIC |
| 9 | HAAO | HARE, J H & ASSOCIATES LTD | | | SCAC4 |
| 10 | HAARGAZ | Haargaz Group | | IL | TRAFFIC |
| 11 | HAAU | SAMAT INTERNATIONAL AB | | S | BIC |
| 12 | HAAU | ADR-HAANPAA OY | | | SCAC4 |
| 13 | HAAW | HANSON, GREG TRUCKING | | | SCAC4 |
