| 6101 | CGTJ | CARGO CATS INC | | | SCAC4 |
| 6102 | CGTK | CRAIG TRUCKING COMPANY, THE | | | SCAC3 |
| 6103 | CGTL | CRAIG TRUCK LINE | | | SCAC3 |
| 6104 | CGTN | CARTAGE TRANSFER INC | | | SCAC3 |
| 6105 | CGTO | CRAIG TRUCKING | | | SCAC3 |
| 6106 | CGTP | CRAIG TRANSPORTATION CO | | | SCAC3 |
| 6107 | CGTQ | CARGO TRUCKING COMPANY | | | SCAC3 |
| 6108 | CGTS | CARGO AND TRANSPORTATION SERVICES I | | | SCAC3 |
| 6109 | CGTS | CANTUS LOGISTICS INC | | | SCAC4 |
| 6110 | CGTT | CAR REPAIR BILLING EXCHANGE - CGTX, INC. | | | PWRC |
| 6111 | CGTT | CORRUGATED TRUCKING INC | | | SCAC3 |
| 6112 | CGTT | CARGO TRANSPORT | | | SCAC4 |
| 6113 | CGTU | COMPAGNIE GENERALE MARITIME (FRENCH LINE) | | | PWRC |
| 6114 | CGTU | Compagnie Generale Maritime | | | RSRV |
| 6115 | CGTU | CIE GENERALE TRANSATLANTIQUE | | | SCAC3 |
| 6116 | CGTU | CMA-CGM | | | SCAC4 |
| 6117 | CGTV | CRAGCO TRANSPORT, INC | | | SCAC3 |
| 6118 | CGTV | CARDINAL LOGISTICS MANAGEMENT CORPO | | | SCAC4 |
| 6119 | CGTW | COGAR TRUCKING | | | SCAC3 |
| 6120 | CGTX | GATX Rail Canada Corp. | added 4/2002; 7/2005 | | NAKINA |
| 6121 | CGTX | CGTX Inc. | added 1/1981; 1/1994-7/2000; eliminated 4/2002 | | NAKINA |
| 6122 | CGTX | Canadian General Transit Co., Ltd. | 7/1932-1/1980; eliminated 1/1981 | | NAKINA |
| 6123 | CGTX | Canadian General Transit Co., Ltd. | 4/38-1/80; eliminated 1/81 | | NRHS |
| 6124 | CGTX | CGTX Inc. | added 1/81; 1/94-7/2000 | | NRHS |
| 6125 | CGTX | GATX RAIL CANADA CORP. [CGTX INC.; CANADIAN GENERAL TRANSIT CO.] | | | PWRC |
| 6126 | CGTX | Canadian General Transit (General American Train) | | | RSRV |
| 6127 | CGTX | CANADIAN GENERAL TRANSIT CO LTD | | | SCAC3 |
| 6128 | CGTX | GATX RAIL CANADA CORPORATION | | | SCAC4 |
| 6129 | CGTY | CALYX GROUND TRANSPORTATION SOLUTIO | | | SCAC4 |
| 6130 | CGU | Chinguetti Airlines | Callsign: Chinguetti, | RIM | AVCODES |
| 6131 | CGU | Chinguetti Airlines | | | ICAO1 |
| 6132 | CGU | COTTER GARAGE CORPORATION, THE | | | SCAC4 |
| 6133 | CGUE | C-GULL EXPRESS | | | SCAC3 |
| 6134 | CGUF | CARGOGULF INC | | | SCAC4 |
| 6135 | CGUI | CARGO UNLIMITED INTERNATIONAL | | | SCAC3 |
| 6136 | CGUI | CARGO UNLIMITED INTERNATIONAL | | | SCAC4 |
| 6137 | CGUQ | CONNESTOGA TRUCK | | | SCAC3 |
| 6138 | CGUT | CHIEF GROUND TRANSPORTATION CO INC | | | SCAC3 |
| 6139 | CGV | Aero Clube de Algarve | Callsign: Clube Algarve, | P | AVCODES |
| 6140 | CGV | Aero Clube Do Algarve | | | ICAO1 |
| 6141 | CGVA | C S CARGA SA DE CV | | | SCAC4 |
| 6142 | CGVC | CHESTNUT GROVE CONTRACTORS INC | | | SCAC3 |
| 6143 | CGVI | CENTRAL REFRIGERATED SERVICE (INTER | | | SCAC4 |
| 6144 | CGVL | CHALLENGER VAN LINES INC | | | SCAC3 |
| 6145 | CGVL | CGGVERITAS LAND (U S) INC | | | SCAC4 |
| 6146 | CGVN | CICEROS MOVING & STORAGE LLC | | | SCAC4 |
| 6147 | CGVO | CCT CANADA | | | SCAC4 |
| 6148 | CGVQ | COMPLETE LOGISTICS SERVICES INC | | | SCAC4 |
| 6149 | CGVR | CENTRAL REFRIGERATED SERVICE INC (R | | | SCAC4 |
| 6150 | CGVS | CARGO SERVICES INC | | | SCAC3 |
| 6151 | CGVT | CEDAR GROVE TRANSPORTATION | | | SCAC4 |
| 6152 | CGVU | CRYOGAS-VYSOTSK LLC | | RUS | BIC |
| 6153 | CGW | Air Great Wall | Callsign: Changcheng, Merged | PRC | AVCODES |
| 6154 | CGW | Air Great Wall | | | ICAO1 |
| 6155 | CGW | Union Pacific Ry. Co. | added 10/1995; 7/2000-7/2005 | | NAKINA |
| 6156 | CGW | Chicago and North Western Ry. Co. | added 1/1995; eliminated 10/1995 | | NAKINA |
| 6157 | CGW | Chicago and North Western Transportation Co. | 1/1975-1/1994; eliminated 1/1995 | | NAKINA |
| 6158 | CGW | Chicago Great Western Ry. Co. | 4/1938-10/1966 | | NAKINA |
| 6159 | CGW | Chicago Great Western Ry. Co. | 4/38-10/66 | | NRHS |
| 6160 | CGW | Chicago and North Western Transportation Co. | 1/75-1/94; eliminated 1/95 | | NRHS |
| 6161 | CGW | Chicago and North Western Ry. Co. | added 1/95; eliminated 10/95 | | NRHS |
| 6162 | CGW | Union Pacific Ry. Co. | added 10/95; 7/2000 | | NRHS |
| 6163 | CGW | UP [CHICAGO & NORTH WESTERN TRANS. CO.; CHICAGO GREAT WESTERN RWY.] | | | PWRC |
| 6164 | CGW | Chicago Great Western Railway (Union Pacific Railroad) | | | RSRV |
| 6165 | CGW | Chicago Great Western | | USA | TRAFFIC |
| 6166 | CGWC | CHAMPLAIN-GATEWAY CRUISES INC | | | SCAC3 |
| 6167 | CGWC | CATALINA CARTAGE LLC | | | SCAC4 |
| 6168 | CGWE | CANADIAN GREAT WESTERN EXPRESS LTD | | | SCAC3 |
| 6169 | CGWG | CEDAR GROVE WAREHOUSING LLC | | | SCAC4 |
| 6170 | CGWI | CARGO WINGS INC | | | SCAC3 |
| 6171 | CGWL | CARGO WORLD LLC | | | SCAC4 |
| 6172 | CGWN | CHINA RESOURCES TRANSPORTATION & GO | | | SCAC3 |
| 6173 | CGWX | Crete Grain Co., Inc. | 7/2005 (not listed) | | NAKINA |
| 6174 | CGWX | CRETE GRAIN CO., INC. | | | PWRC |
| 6175 | CGX | United States Coast Guard Auxiliary | Callsign: Coastguard Auxair, | USA | AVCODES |
| 6176 | CGX | United States Coast Guard Auxiliary | | | ICAO1 |
| 6177 | CGX | Suburban Gas Ltd. | added 7/1961; eliminated 10/1963 | | NAKINA |
| 6178 | CGX | Suburban Gas of Canada, Ltd. | added 4/1961; 4/1961; eliminated 7/1961 | | NAKINA |
| 6179 | CGX | Calor Gas Ltd. | added 10/1960; eliminated 4/1961 | | NAKINA |
| 6180 | CGX | Calor Gas Co. | 1/1952-10/1957; eliminated 10/1960 | | NAKINA |
| 6181 | CGX | Consumers Gas Co. (Consumers Gas Co. of Toronto) | 7/1923 | | NAKINA |
| 6182 | CGX | Calor Gas Co. | 1/52-10/57; eliminated 10/60 | | NRHS |
| 6183 | CGX | Calor Gas Ltd. | added 10/60; eliminated 4/61 | | NRHS |
| 6184 | CGX | Suburban Gas of Canada, Ltd. | added 4/61; 4/61 | | NRHS |
| 6185 | CGX | CONSUMERS GAS CO OF TORONTO | | | PWRC |
| 6186 | CGX | SUBURBAN GAS LTD OF CANADA {CALOR GAS LTD.] | | | PWRC |
| 6187 | CGXA | CARGA EXPRESS CORP | | | SCAC4 |
| 6188 | CGXB | COASTAL AG TRANSPORT LLC | | | SCAC4 |
| 6189 | CGXD | CHRYSLER GROUP TRANSPORT LLC (CANAD | | | SCAC4 |
| 6190 | CGXE | CARGO XPRESS | | | SCAC3 |
| 6191 | CGXE | CONSOLIDATED GIROUX ENVIRONMENT INC | | | SCAC4 |
| 6192 | CGXI | CARGO EXPEDIATORS INC | | | SCAC3 |
| 6193 | CGXJ | CONTAINER CARGO EXPRESS LLC | | | SCAC4 |
| 6194 | CGXN | CONESTOGA TRANSPORT LLC | | | SCAC4 |
| 6195 | CGXP | CARGO EXPRESS INC | | | SCAC3 |
| 6196 | CGXQ | CROSSINGS TRANSPORT SERVICES INC | | | SCAC4 |
| 6197 | CGXR | CIRCLE G EXPRESS | | | SCAC3 |
| 6198 | CGXT | CARGO TRANSIT CORP | | | SCAC4 |
| 6199 | CGXU | CARGOBOX LLC | | RUS | BIC |
| 6200 | CGXV | CARGO TRANSPORTATION SERVICES | | | SCAC4 |
