| 1 | HMF | Norrlandsflyg AB | Callsign: Lifeguard Sweden, Name changed to Sjofartsverket. | S | AVCODES |
| 2 | HMF | Sjofartsverket | Callsign: Lifeguard Sweden, Name changed from Norrlandsflyg AB. | S | AVCODES |
| 3 | HMF | Norrlandsflyg | | | ICAO1 |
| 4 | HMFA | HEARTLAND MOTOR FREIGHT INC | | | SCAC4 |
| 5 | HMFE | HIRSCH MOTOR FREIGHT | | | SCAC4 |
| 6 | HMFG | HAMMOND MANUFACTURING COMPANY LIMIT | | | SCAC4 |
| 7 | HMFH | HSC MOTOR FREIGHT | | | SCAC4 |
| 8 | HMFM | H & M FARMS LTD | | | SCAC4 |
| 9 | HMFR | HIGHLIGHT MOTOR FREIGHT INC | | | SCAC4 |
| 10 | HMFT | HOMEFRONT TRANSPORT INC | | | SCAC4 |
| 11 | HMFX | Vulcan Materials Co. | added 4/2008? | | NAKINA |
| 12 | HMFX | Florida Rock Industries, Inc. | added 4/1977; 1/1980; eliminated 5/1983; 1/1994-7/2005 (not listed) | | NAKINA |
| 13 | HMFX | Century Industries | added 10/1971; 1/1975; eliminated 4/1977 | | NAKINA |
| 14 | HMFX | Century Industries | added 10/71; 1/75 | | NRHS |
| 15 | HMFX | Florida Rock Industries, Inc. | 1/80; eliminated 5/83; 1/94-7/2000 | | NRHS |
| 16 | HMFX | *FLORIDA ROCK INDUSTRIES, INC. [CENTURY INDUSTRIES] | | | PWRC |
| 17 | HMFX | +VULCAN MATERIALS CO., CONSTRUCTION MATERIALS GROUP | | | PWRC |
| 18 | HMFX | Florida Rock Industries (Vulcan Materials) | | | RSRV |
| 19 | HMFX | VULCAN MATERIALS COMPANY CONSTRUCTI | | | SCAC4 |
| 20 | HMFX | Century Industries | | USA | TRAFFIC |
