Showing 1,012 registered airlines with a combined fleet of 8,690 airframes.
| Airline Name | ICAO / IATA | Fleet Size |
|---|---|---|
| Berry Aviation | BYA | 6 |
| Big Island Air | BIG | 0 |
| Big Sky Airlines | BSY / GQ | 0 |
| Bighorn Airways | BHR | 1 |
| Bird Leasing | BIR | 0 |
| Biz Jet Charter | VLX | 0 |
| Blackhawk Airways | BAK | 0 |
| Blue Horizon Travel Club | BLH | 0 |
| Boeing | BOE | 16 |
| Boise Interagency Fire Center | BIN | 0 |