| 1 | CBO | Aerotaxi del Cabo, S.A. de C.V. | Callsign: Taxi Cabo, | MEX | AVCODES |
| 2 | CBO | Aerotaxi del Cabo | | | ICAO1 |
| 3 | CBOA | Council Bluffs and Ottumwa Ry., Inc. | added 1/1990; eliminated 7/1991 | | NAKINA |
| 4 | CBOA | Council Bluffs and Ottumwa Ry., Inc. | added 1/90; eliminated 7/91 | | NRHS |
| 5 | CBOA | *RETIRED 05-28-91 ATP (141) | | | PWRC |
| 6 | CBOA | *COUNCIL BLUFFS & OTTUMWA RAILWAY, INC. | | | PWRC |
| 7 | CBOA | Classic Bus Owners Assiciation | | USA | TRAFFIC |
| 8 | CBOC | CUBBY OIL CO INC | | | SCAC4 |
| 9 | CBOD | CRAB ORCHARD TRAILER RENTALS INC | | | SCAC3 |
| 10 | CBOD | CBR MOTORCARS | | | SCAC4 |
| 11 | CBOG | CHARLEBOIS GARAGE | | | SCAC3 |
| 12 | CBOG | CARIBTRANS LOGISTICS LLC | | | SCAC4 |
| 13 | CBOH | CHAISSON BROTHERS INC | | | SCAC3 |
| 14 | CBOK | CARBALLO TRUCKING INC | | | SCAC4 |
| 15 | CBOL | COSBY OIL CO | | | SCAC3 |
| 16 | CBOM | COOPER BOAT MOVING CO | | | SCAC3 |
| 17 | CBON | CURBELO, ANA VIAJES | | | SCAC3 |
| 18 | CBON | CANCHI BON TRADING COMPANY INC | | | SCAC4 |
| 19 | CBOO | CEDAR BLUFF OIL CO INC | | | SCAC4 |
| 20 | CBOP | CARIB OCEAN SHIPPING INC. | | | SCAC3 |
| 21 | CBOP | COWBOYS | | | SCAC4 |
| 22 | CBOQ | CUMBERLAND OIL COMPANY | | | SCAC4 |
| 23 | CBOR | C B TRANSPORTATION | | | SCAC4 |
| 24 | CBOT | COUNTRY BOY TRUCKING | | | SCAC3 |
| 25 | CBOU | N.V. COBO CONSTRUCTION | | SME | BIC |
| 26 | CBOW | CAMPBELL TOWING CO | | | SCAC3 |
| 27 | CBOW | CARI BOW CUSTOM ARCHERY | | | SCAC4 |
| 28 | CBOX | TTX Co. | added 7/2004; 7/2005 | | NAKINA |
| 29 | CBOX | TTX Co. | added 7/2004 | | NAKINA |
| 30 | CBOX | TTX CO. | | | PWRC |
| 31 | CBOX | TTX COMPANY | | | SCAC4 |
| 32 | CBOY | CARIBE OIL CO | | | SCAC4 |
