| 1 | BMI | Bemoair | Callsign: Bemo, | CZ | AVCODES |
| 2 | BMI | bmibaby Limited | IATA: WW, Callsign: Baby, Ceased Operation 09 September 2012. Name changed from British Midland Regional Ltd. d/b/a bmi Regional. Low cost subsidary of bmi British Midland. Designator WW reinstated by IATA. | GB | AVCODES |
| 3 | BMI | bmibaby | IATA: WW | | ICAO1 |
| 4 | BMIA | BATTELLE MEMORIAL INSTITUTE | | | SCAC4 |
| 5 | BMIC | BENNETT MOTOR INC | | | SCAC3 |
| 6 | BMIC | BONALMA MARINE INC | | | SCAC4 |
| 7 | BMID | BERNHARDT MOVING INC | | | SCAC4 |
| 8 | BMIF | B M S INC | | | SCAC3 |
| 9 | BMIG | BILLS MOVING & STORAGE INC | | | SCAC3 |
| 10 | BMII | BRAUN MOVING INC | | | SCAC3 |
| 11 | BMII | BMI INC | | | SCAC4 |
| 12 | BMIK | BARNES, MIKE TRUCKING CO INC | | | SCAC3 |
| 13 | BMIL | B & M INTERNATIONAL INC | | | SCAC3 |
| 14 | BMIL | BAJA MILLWORKS S A DE C V | | | SCAC4 |
| 15 | BMIN | BASIN MARINE INC | | | SCAC3 |
| 16 | BMIP | BOOTHIA MARITIME INC. | | | SCAC3 |
| 17 | BMIP | BAY MOUNTAIN INTERMODAL INC | | | SCAC4 |
| 18 | BMIQ | BERMIC TRANSPORTATION INC | | | SCAC3 |
| 19 | BMIS | BRECONRIDGE MANUFACTURING SOLUTIONS | | | SCAC4 |
| 20 | BMIT | BEMIS TRUCK SERVICE | | | SCAC3 |
| 21 | BMIT | BEAUTY MARITIME INC | | | SCAC4 |
| 22 | BMIX | Baltic Mills, Inc. | added 7/1979; 1/1980; eliminated 1/1981 | | NAKINA |
| 23 | BMIX | Bethlehem Mine Corp. | 8/1920-7/1923 | | NAKINA |
| 24 | BMIX | Baltic Mills, Inc. | added 7/79; 1/80; eliminated 1/81 | | NRHS |
| 25 | BMIX | *BADGER MINING CO. | | | PWRC |
| 26 | BMIX | *BETHLEHEM MINE CORP. | | | PWRC |
| 27 | BMIX | *BALTIC MILLS, INC. | | | PWRC |
| 28 | BMIZ | BURLINGTON MOTOR CARRIERS | | | PWRC |
| 29 | BMIZ | Burlington Motor Carriers | | | RSRV |
| 30 | BMIZ | BURLINGTON MOTOR CARRIERS | | | SCAC4 |
