| 1 | HBT | Polizeihubschrauberstaffel Thuringen | Callsign: Habicht, | D | AVCODES |
| 2 | HBT | Polizeihubschrauberstaffel Thuringen | | | ICAO1 |
| 3 | HBT | Houston Belt & Terminal Ry. Co. | 1/1975-1/1994; eliminated 1/1998; added 10/1999; 7/2000-7/2005 | | NAKINA |
| 4 | HBT | Houston Belt & Terminal Ry. Co. | 1/75-1/94; eliminated 1/98; added 10/99; 7/2000 | | NRHS |
| 5 | HBT | HOUSTON BELT & TERMINAL RAILWAY | | | PWRC |
| 6 | HBT | Houston Belt and Terminal Railway | | | RSRV |
| 7 | HBT | HOUSTON BELT & TERMINAL RAILWAY COM | | | SCAC4 |
| 8 | HBT | Houston Belt and Terminal Railway | | USA | TRAFFIC |
| 9 | HBTB | HORSESHOE BAY TRANSLOAD INC | | | SCAC4 |
| 10 | HBTC | HORAB TRANSPORT COMPANY | | | SCAC4 |
| 11 | HBTF | HUNTERS BAY TRUCKING LLC | | | SCAC4 |
| 12 | HBTH | HOYT BROTHERS TRUCKING INC | | | SCAC4 |
| 13 | HBTK | H & B TRUCKING LLC | | | SCAC4 |
| 14 | HBTM | HAWKS BLUFF TRUCKING INC | | | SCAC4 |
| 15 | HBTN | HORNADY TRANSPORTATION LLC | | | SCAC4 |
| 16 | HBTO | HILL BROTHERS TRANSPORTATION INC (D | | | SCAC4 |
| 17 | HBTU | HANBAO CONTAIINER SHIPPING & TRADING GMBH | | D | BIC |
| 18 | HBTU | HANBAO CONTAINER SHIPPING & TRADING | | | SCAC4 |
| 19 | HBTV | HILL BROS TRANSPORTATION INC (TEMPE | | | SCAC4 |
| 20 | HBTW | HASTINGS, BEN TRUCKING | | | SCAC4 |
| 21 | HBTY | HANNA BROTHERS TRANSPORT INC | | | SCAC4 |
