| 1 | BBG | Alisea Airlines S.p.A. | IATA: 3B, Callsign: Bravo Bravo Golf, ICAO callsign changed to Alisea | I | AVCODES |
| 2 | BBG | Alisea Airlines S.p.A. | IATA: 3B, Callsign: Alisea, ICAO callsign changed from Bravo Bravo Golf | I | AVCODES |
| 3 | BBG | Alisea Airlines S.p.A. | IATA: FZ, Callsign: Alisea, Ceased operations December 2003. Designator FZ recalled by IATA. ICAO callsign changed from Bravo Bravo Golf | I | AVCODES |
| 4 | BBG | Blue Bird Airways | IATA: BZ, Callsign: Cadia Bird, Designator BZ reinstated by IATA | GR | AVCODES |
| 5 | BBG | Blue Bird Airways | Callsign: Cadia Bird, Designator BZ recalled by IATA | GR | AVCODES |
| 6 | BBG | Bahnbetriebsgesellschaft Stauden mbH | Fischach | D | privat-bahn.de |
| 7 | BBG | Barnimer Busgesellschaft mbH | City: Eberswalde | D | TRAFFIC |
| 8 | BBG | Bahnbetriebsgesellschaft Stauden | | DE | VKM |
| 9 | BBGA | B & B TRUCKING COMPANY | | | SCAC3 |
| 10 | BBGB | B & B GRANITE BLOCK SALES LLC | | | SCAC4 |
| 11 | BBGC | B B CARTAGE CO INC | | | SCAC3 |
| 12 | BBGD | BEZPALA BROWN GALLERY | | | SCAC4 |
| 13 | BBGF | BRIDGEBURG GOLF | | | SCAC4 |
| 14 | BBGM | BRANDENBURG MOTOR LINES INC | | | SCAC3 |
| 15 | BBGM | BOARDS BY GEORGE LUMBER INC | | | SCAC4 |
| 16 | BBGN | B & B GRAIN CO | | | SCAC3 |
| 17 | BBGN | BEAVER BROKERAGE INC | | | SCAC4 |
| 18 | BBGR | BAMBERGERS TRANSPORT INC | | | SCAC4 |
| 19 | BBGS | BRUCE BUILDING SUPPLY | | | SCAC4 |
| 20 | BBGX | Greenbrier Management Services, LLC | added 4/2006 | | NAKINA |
| 21 | BBGX | Babcock & Brown Rail Management LLC | added 4/2004; 7/2005; eliminated 4/2006 | | NAKINA |
| 22 | BBGX | GREENBRIER MANAGEMENT SERVICES, LLC [BABCOCK & BROWN RAIL MANAGEMENT, LLC] | | | PWRC |
| 23 | BBGX | BABCOCK & BROWN RAIL MANAGEMENT LLC | | | SCAC4 |
