| 1 | CON | Continental Oil Co. | Callsign: Conoco, Name changed to ConcoPhillips Co. | USA | AVCODES |
| 2 | CON | ConocoPhillips Co. | Callsign: Conoco, Name changed from Continental Oil Co. | USA | AVCODES |
| 3 | CON | Continental Oil | | | ICAO1 |
| 4 | CON | | | USA | TRAFFIC |
| 5 | CONA | CONTINENTAL AIRLINES | | | PWRC |
| 6 | CONA | CONTINENTAL AIRLINES (AIR CODE CO) | | | SCAC4 |
| 7 | CONC | CONSOLIDATION COAL COMPANY | | | PWRC |
| 8 | CONC | CONCRETE DELIVERY CO INC | | | SCAC3 |
| 9 | COND | CONDRA TRANSPORTATION LTD | | | SCAC3 |
| 10 | COND | COONEN INC | | | SCAC4 |
| 11 | COND | Condor Flugdienst GmbH | Real: CFG | D | TRAFFIC |
| 12 | CONE | CENTURY ONE TRANSPORT INC | | | SCAC4 |
| 13 | CONF | CONNER TRUCK LINE | | | SCAC3 |
| 14 | CONF | CONNER TRUCK LINE | | | SCAC4 |
| 15 | CONF | | | | TRAFFIC |
| 16 | CONG | CLARKSVILLE OIL & GAS COMPANY | | | SCAC4 |
| 17 | CONH | CONGDON MOVING AND STORAGE COMPANY | | | SCAC3 |
| 18 | CONI | CONEX INTERNATIONAL | | | SCAC4 |
| 19 | CONL | CONLON, JOE TRUCKING | | | SCAC4 |
| 20 | CONM | CONROTTO MIKE TRUCKING | | | SCAC3 |
| 21 | CONN | CON-TRAND SERVICES INC | | | SCAC3 |
| 22 | CONN | CON-TRAND SERVICES INC | | | SCAC4 |
| 23 | CONP | CONSTRUCTORA Y PERFORADORA LATINA | | | SCAC4 |
| 24 | CONQ | CONNECTION COMPANY | | | SCAC3 |
| 25 | CONR | COC TRANSPORT INCORPORATED | | | SCAC4 |
| 26 | CONS | CONSOLIDATED CARRIERS CORP | | | SCAC3 |
| 27 | CONS | CONSOLIDATED CARRIERS CORP | | | SCAC4 |
| 28 | CONS | Regia Autonoma de Transport in Constanta | Real: RATC, City: Constanta | RO | TRAFFIC |
| 29 | CONSA | Constellium Valais SA | | CH | VKM |
| 30 | CONT | (INTU) INTERPOOL HYBRID JCTS AND TR65/67 | | | PWRC |
| 31 | CONT | CONTERM | | | SCAC3 |
| 32 | CONT | CONTRANS GMBH | | | SCAC4 |
| 33 | CONT | Continental | | | TRAFFIC |
| 34 | CONTC | Contec Rail Aps | | DK | VKM |
| 35 | Contec | Contec Rail ApS | 2007 - | DK | jernbanen.dk |
| 36 | CONTEC | Contec Rail ApS | 2007 | DK | TRAFFIC |
| 37 | CONTI | Continental Rail | | E | TRAFFIC |
| 38 | CONU | CONTAINER OF AMERICA LLC | | USA | BIC |
| 39 | CONU | CONTRANS | | | PWRC |
| 40 | CONU | Contrans | | | RSRV |
| 41 | CONU | CONTRANS | | | SCAC3 |
| 42 | CONU | CONTRANS LEASING VERWALTUNGS GMBH | | | SCAC4 |
| 43 | CONV | CONTINENTAL VANGUARD INC | | | SCAC3 |
| 44 | CONV | Convenca / FCC | | P | TRAFFIC |
| 45 | CONVE | CONVEY, a.s. | | SK | VKM |
| 46 | CONW | CONWAY SCENIC RAILROAD | | | PWRC |
| 47 | CONW | CONTI-OSG ASSOCIATES (IV) C.V. | | | SCAC3 |
| 48 | CONX | ConocoPhillips Co. | added 10/2003; 7/2005 | | NAKINA |
| 49 | CONX | Conoco Inc. | added 1/1980; 1/1980-7/2000; eliminated 10/2003 | | NAKINA |
| 50 | CONX | Continental Oil Co. | 7/1930-1/1975; eliminated 1/1980 | | NAKINA |
| 51 | CONX | Continental Oil Co. | 4/38-1/75; eliminated 1/80 | | NRHS |
| 52 | CONX | Conoco Inc. | added 1/80; 1/80-7/2000 | | NRHS |
| 53 | CONX | CONOCO PHILLIPS CO. [CONOCO INC.; CONTINENTAL OIL CO.] | | | PWRC |
| 54 | CONX | Conoco Inc. | | | RSRV |
| 55 | CONX | CONOCO INC (RAIL CARS) | | | SCAC3 |
| 56 | CONX | CONOCOPHILLIPS COMPANY | | | SCAC4 |
| 57 | CONY | CONTINENTAL DRIVEAWAY INC | | | SCAC3 |
