| 1101 | CAXF | CARTWRIGHT AIR EXPRESS | | | SCAC4 |
| 1102 | CAXG | COASTAL EXPRESS INC | | | SCAC3 |
| 1103 | CAXH | CONNECTICUT AUTO TRANSPORT | | | SCAC4 |
| 1104 | CAXI | CERNA TRANSPORT INC | | | SCAC4 |
| 1105 | CAXJ | COAST AMERICA TRANSPORT INC | | | SCAC4 |
| 1106 | CAXK | CROWN AUTO TRANSPORT INC | | | SCAC4 |
| 1107 | CAXL | CAL PARCEL EXPRESS | | | SCAC3 |
| 1108 | CAXN | CDELA EXPRESS INC | | | SCAC4 |
| 1109 | CAXO | CUMBERLAND AIR TRANSPORT LLC | | | SCAC4 |
| 1110 | CAXP | COLORADO ATLANTIC EXPRESS LLC | | | SCAC4 |
| 1111 | CAXQ | CARRYALL EXPRESS | | | SCAC3 |
| 1112 | CAXQ | CAL-MAR TRANSPORT INC | | | SCAC4 |
| 1113 | CAXR | CARDINAL EXPRESS CORPORATION | | | SCAC3 |
| 1114 | CAXS | CAMELOT EXPRESS LLC | | | SCAC4 |
| 1115 | CAXT | C & A TRANSPORTATION INC | | | SCAC3 |
| 1116 | CAXT | C & A TRANSPORTATION INC | | | SCAC4 |
| 1117 | CAXU | CAI INTERNATIONAL | | USA | BIC |
| 1118 | CAXU | CONTAINER APPLICATIONS INTERNATIONAL INC | | | PWRC |
| 1119 | CAXU | Container Applications International | | | RSRV |
| 1120 | CAXU | CONTAINER APPLICATIONS INT'L. INC. | | | SCAC3 |
| 1121 | CAXU | CONTAINER APPLICATIONS INT'L. INC. | | | SCAC4 |
| 1122 | CAXV | CASTER EXCAVATING | | | SCAC3 |
| 1123 | CAXV | CARTEL AUTO TRANSPORT SERVICE | | | SCAC4 |
| 1124 | CAXW | CAN-AMERICA EXPRESS INC | | | SCAC3 |
| 1125 | CAXX | Cemento Cruz Azul | | MEX | TRAFFIC |
| 1126 | CAY | Cayman Airways Limited | IATA: KX, Callsign: Cayman, IATA Prefix: 378, | CAY | AVCODES |
| 1127 | CAY | Cayman Airways | IATA: KX | | ICAO1 |
| 1128 | CAYA | CAYUGA BULK SERVICE, INC | | | SCAC3 |
| 1129 | CAYD | CA EXPRESS | | | SCAC4 |
| 1130 | CAYE | CAYENNE EXPRESS INC | | | SCAC4 |
| 1131 | CAYF | CSA | | | SCAC4 |
| 1132 | CAYH | CAIN, CLAYTON TRUCKING INC | | | SCAC4 |
| 1133 | CAYI | CARY TRUCKING INC | | | SCAC3 |
| 1134 | CAYI | CORTLANDT AUTO BODY INC | | | SCAC4 |
| 1135 | CAYJ | CAYUGA SERVICE INC | | | SCAC3 |
| 1136 | CAYL | CAROLYNS INC | | | SCAC3 |
| 1137 | CAYM | CARY COMPANY, THE | | | SCAC3 |
| 1138 | CAYM | CARY COMPANY, THE | | | SCAC4 |
| 1139 | CAYN | CANYON DISTRIBUTORS LTD | | | SCAC3 |
| 1140 | CAYO | CANYON INDUSTRIES | | | SCAC3 |
| 1141 | CAYO | CEBREROS AYALA, JORGE OSCAR | | | SCAC4 |
| 1142 | CAYP | CAYCE TRANSPORT | | | SCAC4 |
| 1143 | CAYQ | CAYCE TRANSFER CO | | | SCAC3 |
| 1144 | CAYQ | CONTINENTAL AGENCY INC | | | SCAC4 |
| 1145 | CAYR | CAYER TRANSPORT LTD | | | SCAC3 |
| 1146 | CAYT | CASEYS TRUCKING INC | | | SCAC3 |
| 1147 | CAYU | SHANGHAI CINTHANG INDUSTRIAL LIMITED | | PRC | BIC |
| 1148 | CAYY | C A COMPANY | | | SCAC3 |
| 1149 | CAYY | C A COMPANY | | | SCAC4 |
| 1150 | CAZ | CAT Aviation AG | Callsign: Eurocat, | CH | AVCODES |
| 1151 | CAZ | Cat Aviation | | | ICAO1 |
| 1152 | CAZA | CASAZZA TRUCKING COMPANY | | | SCAC3 |
| 1153 | CAZC | CANADIAN ADVANCED CARTAGE & LEASING | | | SCAC3 |
| 1154 | CAZD | CAZADOR TRANSPORTATION SERVICES INC | | | SCAC3 |
| 1155 | CAZD | CAZADOR LOGISTICS LLC | | | SCAC4 |
| 1156 | CAZF | CENTRAL ARIZONA FREIGHT INC | | | SCAC4 |
| 1157 | CAZI | INTEROCEAN LEASING, LTD. | | | PWRC |
| 1158 | CAZI | CENTURION AIR CARGO INC | | | SCAC4 |
| 1159 | CAZJ | CAZARES, J | | | SCAC4 |
| 1160 | CAZK | CAC NATIONAL LLC | | | SCAC4 |
| 1161 | CAZL | CAZ LIMO INC | | | SCAC4 |
| 1162 | CAZM | COACH AMERICA SAN DIEGO | | | SCAC4 |
| 1163 | CAZN | COLEMAN AMERICAN MOVING SERVICES IN | | | SCAC4 |
| 1164 | CAZO | CASTELAZO & ASSOCIATES | | | SCAC3 |
| 1165 | CAZO | CAVAZOS TRANSFER INC | | | SCAC4 |
| 1166 | CAZR | CARRIED AUTO RELOCATION SYSTEM | | | SCAC3 |
| 1167 | CAZS | CALIFORNIA MOVING SYSTEMS, Global Moving & Storage, Sacramento, INC | | | SCAC1 |
| 1168 | CAZS | CALIFORNIA MOVING SYSTEMS | | | SCAC4 |
| 1169 | CAZT | CARDOZA TRUCKING SERVICE | | | SCAC3 |
| 1170 | CAZU | CAI INTERNATIONAL | | USA | BIC |
| 1171 | CAZU | Cai International | | | RSRV |
| 1172 | CB | Suckling Airways t/a ScotAirways | ICAO: SAY, Callsign: Suckling, Merged into Loganair April 2013. Name changed from Suckling Airways | GB | AVCODES |
| 1173 | 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 |
| 1174 | CB | American International Airways, Inc. | ICAO: CKS, Callsign: Connie, | USA | AVCODES |
| 1175 | CB | Kitty Hawk International, Inc. | ICAO: CKS, Callsign: Connie, | USA | AVCODES |
| 1176 | CB | Kitty Hawk International, Inc. d/b/a American International Airways | ICAO: CKS, Callsign: Connie, Name changed to Kalitta Air LLC | USA | AVCODES |
| 1177 | CB | Caribbean-Atlantic Airlines, Inc. | Callsign: Caribair, | USA | AVCODES |
| 1178 | CB | Cyprair Tours Ltd. | ICAO: CYC, Callsign: Cyprair, Designator CB recalled by IATA | CY | AVCODES |
| 1179 | CB | Trans Caribbean Air Export Import Inc. | IATA Prefix: 456, | USA | AVCODES |
| 1180 | CB | CHEASPEAKE BEACH RAILROAD | | | PWRC |
| 1181 | CB | | | | TRAFFIC |
| 1182 | CB | City-Bahn Chemnitz | | DE | VKM |
| 1183 | CB&Q | Chicago, Burlington & Quincy R.R. | 4/1938-10/1966 | | NAKINA |
| 1184 | CB&Q | Burlington Route (Chicago, Burlington & Quincy R.R.) | 8/1920-7/1936 | | NAKINA |
| 1185 | CB&Q | Burlington Route (Chicago, Burlington & Quincy R.R.) | 23-Jul | | NRHS |
| 1186 | CB&Q | Chicago, Burlington & Quincy R.R. | 4/38-10/66 | | NRHS |
| 1187 | CB&Q | BNSF [BURLINGTON NORTHERN RR; CHICAGO, BURLINGTON & QUINCY] | | | PWRC |
| 1188 | CBA | Civil Aviation Inspectorate of the Czech Republic | Callsign: Calibra, Name changed to Air Navigation Services of the Czech Republic. | CZ | AVCODES |
| 1189 | CBA | Crested Butte Air Service, Inc. | Callsign: Colorado Air, | USA | AVCODES |
| 1190 | CBA | Air Navigation Services of the Czech Republic | Callsign: Calibra, Name changed from Civil Aviation Inspectorate of the Czech Republic. | CZ | AVCODES |
| 1191 | CBA | Civil Aviation Inspectorate of the Czech Republic | | | ICAO1 |
| 1192 | CBA | BAILEY, C A LIMITED | | | SCAC4 |
| 1193 | CBAA | CHEBANSE AG SERVICE INC | | | SCAC3 |
| 1194 | CBAA | CHEBANSE AG SERVICE INC | | | SCAC4 |
| 1195 | CBAB | COMBITAINER, | | | SCAC3 |
| 1196 | CBAC | CARIBBEAN AIR CARGO | | | SCAC3 |
| 1197 | CBAE | CANNONBALL EXPRESS | | | SCAC3 |
| 1198 | CBAF | CB AIR FREIGHT INC | | | SCAC3 |
| 1199 | CBAF | COUNTRY LUMBER LTD | | | SCAC4 |
| 1200 | CBAG | COBRA TRUCKING | | | SCAC3 |
