| 1 | CG | Airlines of Papua New Guinea Limited | ICAO: TOK, Callsign: Balus, IATA Prefix: 626, Name changed to PNG Air Limited. Name changed from MBA Pty. Ltd. | PNG | AVCODES |
| 2 | CG | MBA Pty. Ltd. | ICAO: TOK, Callsign: Balus, IATA Prefix: 626, Name changed to Airlines of Papua New Guinea Limited | PNG | AVCODES |
| 3 | CG | PNG Air Limited. | ICAO: TOK, Callsign: Balus, IATA Prefix: 626, Name changed from Airlines of Papua New Guinea Limited. Name changed from MBA Pty. Ltd. | PNG | AVCODES |
| 4 | CG | Norfolk Southern Ry. Co. | added 1/1991; 1/1994-7/2005 | | NAKINA |
| 5 | CG | Southern Ry. System | eliminated 1/1991 | | NAKINA |
| 6 | CG | Central of Georgia R.R. Co. | 1/1975 | | NAKINA |
| 7 | CG | Central of Georgia Ry. Co. | 1/1980 | | NAKINA |
| 8 | CG | Central of Georgia Ry. | 7/1935-10/1966 | | NAKINA |
| 9 | CG | Central of Georgia Ry. Co. | 8/1930-7/1932 | | NAKINA |
| 10 | CG | Central of Georgia Ry. Co. | 23-Jul | | NRHS |
| 11 | CG | Central of Georgia Ry. | 4/38-10/66 | | NRHS |
| 12 | CG | Central of Georgia R.R. Co. | Jan-75 | | NRHS |
| 13 | CG | Central of Georgia Ry. Co. | Jan-80 | | NRHS |
| 14 | CG | Southern Ry. System | eliminated 1/91 | | NRHS |
| 15 | CG | Norfolk Southern Ry. Co. | added 1/91; 1/94-7/2000 | | NRHS |
| 16 | CG | NORFOLK SOUTHERN RWY [SOUTHERN] [CENTRAL OF GEORGIA] | | | PWRC |
| 17 | CG | Central of Georgia Railway (Norfolk Southern Railway) | | | RSRV |
| 18 | CG | Central of Georgia Railway | | USA | TRAFFIC |
| 19 | CG | Christian Guldberg AB | | SE | VKM |
| 20 | CG&P | Cincinnati, Georgetown & Portsmouth R.R. (Cincinnati, Georgetown R.R. Co.) | 7/1932-7/1935 | | NAKINA |
| 21 | CG&P | Cincinnati, Georgetown & Portsmouth R.R. | 8/1920-7/1930 | | NAKINA |
| 22 | CG&P | Cincinnati, Georgetown & Portsmouth R.R. | 23-Jul | | NRHS |
| 23 | CG&P | CINCINNATI, GEROGETOWN & PORTSMOUTH RAILROAD | | | PWRC |
| 24 | CGA | Congressional Air, Ltd. | Callsign: Congressional, | USA | AVCODES |
| 25 | CGA | Congo Airways SA (CGA) | IATA: 8Z, | ZRE | AVCODES |
| 26 | CGA | Congressional Air | | | ICAO1 |
| 27 | CGA | Central of Georgia Ry. Co. | 1/1980 | | NAKINA |
| 28 | CGA | Central of Georgia R.R. Co. | 1/1975 | | NAKINA |
| 29 | CGA | Central of Georgia R.R. Co. | Jan-75 | | NRHS |
| 30 | CGA | Central of Georgia Ry. Co. | Jan-80 | | NRHS |
| 31 | CGA | NORFOLK SOUTHERN RWY [SOUTHERN; CENTRAL OF GEORGIA] | | | PWRC |
| 32 | CGA | Central of Georgia Railway (Norfolk Southern Railway) | | | RSRV |
| 33 | CGAC | CARGO AGENTS INC | | | SCAC4 |
| 34 | CGAE | CALIFORNIA GAS TRANSPORT INC | | | SCAC4 |
| 35 | CGAF | CHALLENGE AIR CARGO INC. | | | SCAC3 |
| 36 | CGAF | COLOMBO TRUCKING LINE INC | | | SCAC4 |
| 37 | CGAG | CANEGA SHIPPING AGENCIES | | | SCAC3 |
| 38 | CGAG | CANEGA SHIPPING AGENCIES | | | SCAC4 |
| 39 | CGAI | CARGO-AIDE INC | | | SCAC3 |
| 40 | CGAJ | CARGA LATINA OF NY | | | SCAC3 |
| 41 | CGAK | CARGOMAX LOGISTICS INC | | | SCAC4 |
| 42 | CGAM | CARGOMAX | | | SCAC4 |
| 43 | CGAN | CARLEGIS, ANDY INC | | | SCAC3 |
| 44 | CGAO | CAR-GO AUTO TRANSPORT | | | SCAC3 |
| 45 | CGAO | CANO GARCIA, AROLDO | | | SCAC4 |
| 46 | CGAP | COOLIDGE | | | SCAC3 |
| 47 | CGAQ | CORRIGAN & SONS INC | | | SCAC3 |
| 48 | CGAQ | CORRIGAN AND SONS INC | | | SCAC4 |
| 49 | CGAR | COUGAR TRUCKING INC | | | SCAC3 |
| 50 | CGAR | COUGAR TRUCKING | | | SCAC4 |
| 51 | CGAS | COGER, GEORGE & SONS INC | | | SCAC3 |
| 52 | CGAS | CENTERGAS FUELS INC | | | SCAC4 |
| 53 | CGAT | CAR GALLERY LTD, THE | | | SCAC4 |
| 54 | CGAU | CUSTOMISED GAS AUSTRALIA GROUP PTY LTD | | AUS | BIC |
| 55 | CGAV | COLGAN TRANSPORTATION SERVICES INC | | | SCAC3 |
| 56 | CGAX | Cargill Inc. — C.G.D. Division | added 7/1996; 7/2000-7/2005 | | NAKINA |
| 57 | CGAX | Cargill Inc. | added 1/1996 | | NAKINA |
| 58 | CGAX | Shippers' Car Line Division of ACF Industries, Inc. | added 1/1964; 7/1965; eliminated 4/1966 | | NAKINA |
| 59 | CGAX | Cumberland Gasoline Corp. | added 10/1959; eliminated 1/1964 | | NAKINA |
| 60 | CGAX | General American Transportation Corp. | eliminated 10/1959 | | NAKINA |
| 61 | CGAX | Cumberland Gasoline Corp. | 1/1943-4/1961 | | NAKINA |
| 62 | CGAX | Cumberland Gasoline Corp. | 1/52-4/61 | | NRHS |
| 63 | CGAX | General American Transportation Corp. | eliminated 10/59 | | NRHS |
| 64 | CGAX | Cumberland Gasoline Corp. | added 10/59 | | NRHS |
| 65 | CGAX | Shippers' Car Line Division of ACF Industries, Inc. | 7/65; eliminated 4/66 | | NRHS |
| 66 | CGAX | Cargill Inc. | added 1/96 | | NRHS |
| 67 | CGAX | Cargill Inc. -- C.G.D. Division | added 7/96; 7/2000 | | NRHS |
| 68 | CGAX | *CUMBERLAND GASOLINE CORP. (GENERAL AMERICAN TRANSPORTATION CORP.) | | | PWRC |
| 69 | CGAX | *SHIPPERS' CAR LINE DIV. ACF INDUSTRIES, INC. | | | PWRC |
| 70 | CGAX | +CARGILL INCORPORATED, C.G.D. DIVISION | | | PWRC |
| 71 | CGAX | Cargill (C.G.D. Division) | | | RSRV |
| 72 | CGAX | CARGILL INC | | | SCAC4 |
| 73 | CGB | Air Cargo Belize Limited | Callsign: Cargo Belize, | BH | AVCODES |
| 74 | CGB | Air Cargo Belize | | | ICAO1 |
| 75 | CGBA | C2C GLOBAL TRANSPORTATION INC | | | SCAC4 |
| 76 | CGBB | C & G TRANSPORT LLC | | | SCAC4 |
| 77 | CGBC | CONSOLIDATED GRAIN AND BARGE COMPAN | | | SCAC3 |
| 78 | CGBC | CHICAGO BANDAG INC | | | SCAC4 |
| 79 | CGBD | CROSSGLOBE TRANSPORT LTD | | | SCAC4 |
| 80 | CGBH | CENTURY GEOPHYSICAL CORP | | | SCAC4 |
| 81 | CGBI | CARGOBARN INC | | | SCAC4 |
| 82 | CGBL | CALIFORNIA GOLDEN BEAR LINES | | | SCAC3 |
| 83 | CGBL | CHURCH TRUCKING | | | SCAC4 |
| 84 | CGBP | CROSSGLOBE EXPRESS LLC | | | SCAC4 |
| 85 | CGBQ | CENTRAL GEORGIA LOGISTICS INC | | | SCAC4 |
| 86 | CGBS | CITY HDT INC | | | SCAC3 |
| 87 | CGBU | COREGAS PTY LTD | | AUS | BIC |
| 88 | CGBU | CIBA-GEIGY AB | | | SCAC3 |
| 89 | CGBX | Dow Chemical Canada, Inc. | added 4/1997; 7/2000-7/2005 | | NAKINA |
| 90 | CGBX | Procor Ltd. | added 7/1982; 1/1994 | | NAKINA |
| 91 | CGBX | CGTX, Inc. | added 1/1981; eliminated 7/1982 | | NAKINA |
| 92 | CGBX | Canadian General Transit Co., Ltd. | added 4/1957; 10/1957-1/1980; eliminated 1/1981 | | NAKINA |
| 93 | CGBX | Canadian General Transit Co., Ltd. | added 4/57; 10/57-1/80; eliminated 1/81 | | NRHS |
| 94 | CGBX | CGTX, Inc. | added 1/81; eliminated 7/82 | | NRHS |
| 95 | CGBX | Procor Ltd. | added 7/82; 1/94 | | NRHS |
| 96 | CGBX | Dow Chemical Canada, Inc. | added 4/97; 7/2000 | | NRHS |
| 97 | CGBX | *CGTX, INC. [CANADIAN GENERAL TRANSIT CO., LTD.] | | | PWRC |
| 98 | CGBX | *CONSOLIDATED GRAIN & BARGE CO. | | | PWRC |
| 99 | CGBX | +DOW CHEMICAL CANADA [(PROX) PROCOR LIMITED] | | | PWRC |
| 100 | CGBX | Consolidated Grain & Barge (Dow Chemical Canada) | | | RSRV |
