| 1 | HAF | Hellenic Air Force | Callsign: Hellenic Air Force, | GR | AVCODES |
| 2 | HAF | Hearst Air Service Ltd. | Callsign: Hearst Air, | CDN | AVCODES |
| 3 | HAF | Hellenic Air Force | | | ICAO1 |
| 4 | HAFB | HILLFIELD AIRBASE | | | PWRC |
| 5 | HAFC | HAFNERS, CHUCK FARMERS MARKET AND G | | | SCAC4 |
| 6 | HAFE | HAFER, WM | | | SCAC1 |
| 7 | HAFF | H & FRIENDS FREIGHT INC | | | SCAC4 |
| 8 | HAFG | HARBOR FREIGHT TRANSPORT CORP | | | SCAC4 |
| 9 | HAFI | HALEY TRACTOR & EQUIPMENT | | | SCAC4 |
| 10 | HAFK | HAFER TRUCK SERVICE INC | | | SCAC4 |
| 11 | HAFL | HARBIN FREIGHT LINES/BHM EXPRESS (D | | | SCAC4 |
| 12 | HAFO | HANDFORD OIL & ASPHALT INC | | | SCAC4 |
| 13 | HAFR | HORIZON AIR FREIGHT INC | | | SCAC4 |
| 14 | HAFU | HAFNARBAKKI HF | | | SCAC4 |
| 15 | HAFW | HARVEY FREIGHT-WAYS, INC | | | SCAC1 |
| 16 | HAFW | HARVEY FREIGHTWAYS | | | SCAC4 |
| 17 | HAFX | Herf & Frerichs Chemical Co. | 8/1920-7/1923 | | NAKINA |
| 18 | HAFX | HERF & FRERICHS CHEMICAL CO. | | | PWRC |
