| 1 | CB | Suckling Airways t/a ScotAirways | ICAO: SAY, Callsign: Suckling, Merged into Loganair April 2013. Name changed from Suckling Airways | GB | AVCODES |
| 2 | CB | Kalitta Air LLC | ICAO: CKS, Callsign: Connie, IATA designator changed to K4. Name changed from Kitty Hawk International, Inc. d/b/a American International Airways | USA | AVCODES |
| 3 | CB | American International Airways, Inc. | ICAO: CKS, Callsign: Connie, | USA | AVCODES |
| 4 | CB | Kitty Hawk International, Inc. | ICAO: CKS, Callsign: Connie, | USA | AVCODES |
| 5 | CB | Kitty Hawk International, Inc. d/b/a American International Airways | ICAO: CKS, Callsign: Connie, Name changed to Kalitta Air LLC | USA | AVCODES |
| 6 | CB | Caribbean-Atlantic Airlines, Inc. | Callsign: Caribair, | USA | AVCODES |
| 7 | CB | Cyprair Tours Ltd. | ICAO: CYC, Callsign: Cyprair, Designator CB recalled by IATA | CY | AVCODES |
| 8 | CB | Trans Caribbean Air Export Import Inc. | IATA Prefix: 456, | USA | AVCODES |
| 9 | CB | CHEASPEAKE BEACH RAILROAD | | | PWRC |
| 10 | CB | | | | TRAFFIC |
| 11 | CB | City-Bahn Chemnitz | | DE | VKM |
| 12 | CB&Q | Chicago, Burlington & Quincy R.R. | 4/1938-10/1966 | | NAKINA |
| 13 | CB&Q | Burlington Route (Chicago, Burlington & Quincy R.R.) | 8/1920-7/1936 | | NAKINA |
| 14 | CB&Q | Burlington Route (Chicago, Burlington & Quincy R.R.) | 23-Jul | | NRHS |
| 15 | CB&Q | Chicago, Burlington & Quincy R.R. | 4/38-10/66 | | NRHS |
| 16 | CB&Q | BNSF [BURLINGTON NORTHERN RR; CHICAGO, BURLINGTON & QUINCY] | | | PWRC |
| 17 | CBA | Civil Aviation Inspectorate of the Czech Republic | Callsign: Calibra, Name changed to Air Navigation Services of the Czech Republic. | CZ | AVCODES |
| 18 | CBA | Crested Butte Air Service, Inc. | Callsign: Colorado Air, | USA | AVCODES |
| 19 | CBA | Air Navigation Services of the Czech Republic | Callsign: Calibra, Name changed from Civil Aviation Inspectorate of the Czech Republic. | CZ | AVCODES |
| 20 | CBA | Civil Aviation Inspectorate of the Czech Republic | | | ICAO1 |
| 21 | CBA | BAILEY, C A LIMITED | | | SCAC4 |
| 22 | CBAA | CHEBANSE AG SERVICE INC | | | SCAC3 |
| 23 | CBAA | CHEBANSE AG SERVICE INC | | | SCAC4 |
| 24 | CBAB | COMBITAINER, | | | SCAC3 |
| 25 | CBAC | CARIBBEAN AIR CARGO | | | SCAC3 |
| 26 | CBAE | CANNONBALL EXPRESS | | | SCAC3 |
| 27 | CBAF | CB AIR FREIGHT INC | | | SCAC3 |
| 28 | CBAF | COUNTRY LUMBER LTD | | | SCAC4 |
| 29 | CBAG | COBRA TRUCKING | | | SCAC3 |
| 30 | CBAG | Cargo Beamer AG | | DE | VKM |
| 31 | CBAI | CONBEA TRUCKING CORP | | | SCAC3 |
| 32 | CBAI | COUNTRY BAIT | | | SCAC4 |
| 33 | CBAJ | COBRA AUTOMOTIVE INC | | | SCAC4 |
| 34 | CBAK | COBRA TRUCKING LTD | | | SCAC3 |
| 35 | CBAM | CARIBBEAN AMERICAN LINE | | | SCAC3 |
| 36 | CBAP | COMBINED ENERGY SERVICES OF NJ LLC | | | SCAC4 |
| 37 | CBAQ | C B A CARTAGE | | | SCAC3 |
| 38 | CBAQ | CBA TIRE | | | SCAC4 |
| 39 | CBAR | COMPANIA ARGENTINA DE NAVIGACION | | | SCAC3 |
| 40 | CBAR | COMPANIA ARGENTINA DE NAVIGACION | | | SCAC4 |
| 41 | CBAT | CIRCLE BAR A INC | | | SCAC4 |
| 42 | CBAU | CBA TIRE | | | SCAC4 |
| 43 | CBB | Air Caribbean Limited | IATA: C2, Callsign: Ibis, | TT | AVCODES |
| 44 | CBB | Cheboksary Airenterprise, Joint Stock Company | Callsign: Chebair, | RUS | AVCODES |
| 45 | CBB | Cargo B Airlines | IATA: BB, Callsign: Cargo-Bee, Ceased operations on 01 July 2009 | B | AVCODES |
| 46 | CBB | Cheboksary Airenterprise JSC | | | ICAO1 |
| 47 | CBB | Centralbahn AG | | CH | VKM |
| 48 | CBBA | COBBS AND SON TRUCKING INC | | | SCAC3 |
| 49 | CBBA | CARIBBEAN FIBRES INC | | | SCAC4 |
| 50 | CBBB | CINCINNATIS BEST BROKERAGE LLC | | | SCAC4 |
| 51 | CBBC | CARIBBEAN LINES C A ANSOATEGUL VENE | | | SCAC4 |
| 52 | CBBF | COLUMBIA BASIN FREIGHT | | | SCAC3 |
| 53 | CBBF | CARIBBEAN FREIGHT SYSTEMS INC | | | SCAC4 |
| 54 | CBBH | CARIBBEAN SHIPOWNERS ASSOCIATION | | | SCAC3 |
| 55 | CBBI | CARIBBEAN TRANSPORT INC | | | SCAC3 |
| 56 | CBBI | CARIBBEAN TRANSPORT INC | | | SCAC4 |
| 57 | CBBJ | CROSS BORDER LOGISTICS SA DE CV | | | SCAC4 |
| 58 | CBBK | CROSBY BROTHERS TRUCKING | | | SCAC3 |
| 59 | CBBN | CARIBBEAN TRADING AND SERVICES | | | SCAC3 |
| 60 | CBBN | COLBERG TRUCKING | | | SCAC4 |
| 61 | CBBO | CANNONBALL EXPRESS & MESSENGER CO | | | SCAC3 |
| 62 | CBBO | CABANA BOBS | | | SCAC4 |
| 63 | CBBQ | COBB INDUSTRIAL STORAGE COMPANY | | | SCAC3 |
| 64 | CBBQ | COMMONWEA | | | SCAC4 |
| 65 | CBBR | COBB TRUCKING | | | SCAC3 |
| 66 | CBBS | CARIBBEAN BEST SERVICES INC | | | SCAC3 |
| 67 | CBBT | CLINE, BARBARA E TRUCKING LLC | | | SCAC4 |
| 68 | CBBV | CBS BUS SERVICE INC | | | SCAC3 |
| 69 | CBBW | COBB OIL CO INC | | | SCAC4 |
| 70 | CBBX | Cleveland Builders Supply & Brick Co. | 8/1920 | | NAKINA |
| 71 | CBBX | CLEVELAND BUILDERS SUPPLY & BRICK CO. | | | PWRC |
| 72 | CBBY | CORTNER, BILLY B | | | SCAC3 |
| 73 | CBBZ | COMBIBLOC | | | PWRC |
| 74 | CBC | Caribair, S.A. | Callsign: Caribair, | DOM | AVCODES |
| 75 | CBC | Caribbean International Airlines, Inc. | IATA: B9, Callsign: Caribair, Desigantor B9 recalled by IATA. Desigantor B9 reinstated by IATA | DOM | AVCODES |
| 76 | CBC | Caribair | | | ICAO1 |
| 77 | CBC | Chemin de fer Baie des Chaleurs Inc. | 7/2000-7/2005 | | NAKINA |
| 78 | CBC | Carbon County Ry. Co. | 1/1950-10/1966 & 1/1975-1/1980; eliminated 7/1984 | | NAKINA |
| 79 | CBC | Carbon County Ry. Co. | 1/52-10/66 & 1/75-1/80; eliminated 7/84 | | NRHS |
| 80 | CBC | Chemin de fer Baie des Chaleurs Inc. | Jul-00 | | NRHS |
| 81 | CBC | City-Bahn Chemnitz GmbH | Chemnitz | D | privat-bahn.de |
| 82 | CBC | *CARBON COUNTY RY | | | PWRC |
| 83 | CBC | +CHEMINS DE FER BAIE DES CHALEURS INC | | | PWRC |
| 84 | CBC | Carbon County Railway (Chemin de fer Baie des Chaleurs) | | | RSRV |
| 85 | CBC | CHEMIN DE FER BAIE DES CHALEURS INC | | | SCAC4 |
| 86 | CBC | Command Bus Company | | USA | TRAFFIC |
| 87 | CBCA | CLUB COACHES CORP | | | SCAC3 |
| 88 | CBCB | CARBALLO BAUTISTA, CYNTHYA BERENICE | | | SCAC4 |
| 89 | CBCC | COLUMBIA CARRIERS CORPORATION | | | SCAC3 |
| 90 | CBCC | CHEEKY BEE CANDLE COMPANY INC | | | SCAC4 |
| 91 | CBCD | CLAUSEN BROTHERS CHICAGO EXPRESS IN | | | SCAC3 |
| 92 | CBCD | CALLEBAUT, BARRY CANADA INC | | | SCAC4 |
| 93 | CBCE | COLUMBINE CARRIERS | | | SCAC3 |
| 94 | CBCF | CBC AIR FREIGHT SERVICE | | | SCAC3 |
| 95 | CBCG | CAMPBELL, GREG TRUCKING INC | | | SCAC3 |
| 96 | CBCG | CBS LOGISTICS INC (TRUCKING DIVISIO | | | SCAC4 |
| 97 | CBCH | CENTRAL BLACKTOP CO INC | | | SCAC3 |
| 98 | CBCH | CAMBRIDGE CUSTOM CHROME LTD | | | SCAC4 |
| 99 | CBCH | City-Bahn Chemnitz | Real: CB | D | TRAFFIC |
| 100 | CBCI | CARIBE TRUCKING CO INC | | | SCAC3 |
