| 1 | HMA | Air Tahoma, Inc | IATA: 5C, Callsign: Tahoma, Founded in 1995. Ceased operations during 2009. | USA | AVCODES |
| 2 | HMA | Air Tahoma | | | ICAO1 |
| 3 | HMAA | HAL-MARI INC | | | SCAC4 |
| 4 | HMAB | HIGH MOUNTAIN TRANSPORT INC | | | SCAC4 |
| 5 | HMAD | HARDIN DELIVERY INC | | | SCAC4 |
| 6 | HMAE | H M TRUCKING | | | SCAC4 |
| 7 | HMAF | British Armed Forces | Her Majesty's Armed Forces | GB | TRAFFIC |
| 8 | HMAG | HOME AGAIN INC | | | SCAC4 |
| 9 | HMAH | HERBERT, MARCIA | | | SCAC4 |
| 10 | HMAI | HAMORI AUTO INC | | | SCAC4 |
| 11 | HMAL | HARMAC AMERICA INC | | | SCAC4 |
| 12 | HMAM | HER-MAN TRANSFER | | | SCAC4 |
| 13 | HMAN | H. Manhart GmbH | | AT | VKM |
| 14 | HMAO | HUNTSVILLE MARINE AND RECREATION | | | SCAC4 |
| 15 | HMAP | HARDESTY MOVING AND STORAGE CORP | | | SCAC4 |
| 16 | HMAQ | H M TRANSPORT | | | SCAC4 |
| 17 | HMAR | HOMAR ENTERPRISES LIMITED | | | SCAC4 |
| 18 | HMAS | HOMAN, D S | | | SCAC4 |
| 19 | HMAX | Huntsman Petrochemical Corp. | added 4/2003; 7/2005 | | NAKINA |
| 20 | HMAX | Huntsman Corp. | added 4/1996; 7/2000; eliminated 4/2003 | | NAKINA |
| 21 | HMAX | Huntsman Specialty Chemicals Corp. | added 7/1994; eliminated 4/1996 | | NAKINA |
| 22 | HMAX | Huntsman Specialty Chemicals Corp. | added 7/94; eliminated 4/96 | | NRHS |
| 23 | HMAX | Huntsman Corp. | added 4/96; 7/2000 | | NRHS |
| 24 | HMAX | HUNTSMAN SPECIALTY CHEMICALS CORPORATION (HUNTSMAN PETROCHEMICAL) | | | PWRC |
| 25 | HMAX | Huntsman Petrochemical | | | RSRV |
| 26 | HMAX | HUNTSMAN PETROCHEMICAL CORPORATION | | | SCAC4 |
| 27 | HMAY | HASKELL, M A & SONS LLC | | | SCAC4 |
