| 1 | COP | Copper State Air Service, Inc. | Callsign: Copper State, | USA | AVCODES |
| 2 | COP | Copper State Air Service | | | ICAO1 |
| 3 | COP | City of Prineville Ry. | 1/1975; added 10/1977; 1/1980-7/2005 | | NAKINA |
| 4 | COP | City of Prineville Ry. | 1/75-7/2000 | | NRHS |
| 5 | COP | CITY OF PRINEVILLE RAILWAY | | | PWRC |
| 6 | COP | City of Prineville Railway | | | RSRV |
| 7 | COP | City of Prineville | | USA | TRAFFIC |
| 8 | COPA | CONTINENTAL PACIFIC RAILWAY (COPAC RAIL) | | | PWRC |
| 9 | COPA | COPE AARON TRUCKING COMPANY | | | SCAC3 |
| 10 | COPA | COPITOL USA LLC | | | SCAC4 |
| 11 | COPB | COPE/BESTWAY EXPRESS, INC | | | SCAC3 |
| 12 | COPB | COPE/BESTWAY EXPRESS INC | | | SCAC4 |
| 13 | COPC | CAPE OIL PATCH CORPORATION | | | SCAC4 |
| 14 | COPD | CEL OIL PRODUCTS CORP | | | SCAC4 |
| 15 | COPE | CLASS ONE (1) TRANSPORT | | | SCAC3 |
| 16 | COPE | CLASS ONE (1) TRANSPORT INC | | | SCAC4 |
| 17 | COPEF | Cercle Ouest Parisien d'Etudes Ferroviaires | | F | TRAFFIC |
| 18 | COPF | COASTAL CONTRACT CARRIER CORPORATIO | | | SCAC3 |
| 19 | COPG | CONSOLIDEX CORP | | | SCAC3 |
| 20 | COPH | CITY OF PHILADELPHIA | | | PWRC |
| 21 | COPH | COOPERS CARTAGE | | | SCAC3 |
| 22 | COPH | CITY OF PHILADELPHIA, THE | | | SCAC4 |
| 23 | COPI | COOPERATIVE SHIPPERS INC | | | SCAC3 |
| 24 | COPK | COPELAND TRUCKING CO INC | | | SCAC3 |
| 25 | COPK | COPELAND TRUCKING CO INC | | | SCAC4 |
| 26 | COPL | COLONIAL PIPELINE COMPANY | | | SCAC3 |
| 27 | COPM | COPP TRUCKING INC | | | SCAC3 |
| 28 | COPM | COOPER TRANSPORTATION AND LOGISTICS | | | SCAC4 |
| 29 | COPN | COPENHAVER, PAUL | | | SCAC3 |
| 30 | COPN | COPENSHIP AS | | | SCAC4 |
| 31 | COPO | COPCO LEASING CO INC | | | SCAC4 |
| 32 | COPQ | C & M CO-OPERATIVE | | | SCAC3 |
| 33 | COPQ | COPPER RUN MOTOR FREIGHT INC | | | SCAC4 |
| 34 | COPR | Copper Range R.R. Co. | 1/1950-10/1966 | | NAKINA |
| 35 | COPR | Copper Range R.R. Co. | 1/52-10/66 | | NRHS |
| 36 | COPR | CONSOLIDATED RAIL CORP. [COPPER RANGE RR] | | | PWRC |
| 37 | COPR | Copper Range R.R. Co. | | USA | TRAFFIC |
| 38 | COPRO | CONSTRUCCIONES Y PROMOCIONES COPROSA S.A. | | ES | VKM |
| 39 | COPS | COPS INC | | | SCAC3 |
| 40 | COPS | COPS INC | | | SCAC4 |
| 41 | COPT | COLUMBIA-PACIFIC TRANSPORT CO | | | SCAC3 |
| 42 | COPT | COPPEL CORPORATION | | | SCAC4 |
| 43 | COPU | MAXX SERVICES LIMITED | | CY | BIC |
| 44 | COPU | COMPANIA MARITIMA SPAN-CHILE, LTD | | | SCAC3 |
| 45 | COPU | MAXX INTERMODAL SYSTEMS NV | | | SCAC4 |
| 46 | COPV | COMPUTER AIR-VAN INC | | | SCAC3 |
| 47 | COPW | COLUMBIA-PACIFIC TRANSPORT CO | | | SCAC3 |
| 48 | COPX | Canexus Chemicals Canada Limited Partnership | added 1/2010 | | NAKINA |
| 49 | COPX | Nexen Chemical Canada Limited Partnership | added 4/2002; 7/2005; eliminated 1/2010 | | NAKINA |
| 50 | COPX | Canadianoxy Industrial Chemicals Ltd. Partnership | 1/1994 (not listed); added 1/1997; 7/2000; eliminated 4/2002 | | NAKINA |
| 51 | COPX | Consolidated Products, Division of National Dairy Products Corp. | added 1/1958; eliminated 7/1958 | | NAKINA |
| 52 | COPX | Choate Oil Corp. | 8/1920 | | NAKINA |
| 53 | COPX | Consolidated Products Co. | 1/1950-10/1957; eliminated 1/1958 | | NAKINA |
| 54 | COPX | Consolidated Products Co. | 1/52-10/57; eliminated 1/58 | | NRHS |
| 55 | COPX | Consolidated Products, Division of National Dairy Products Corp. | added 1/58; eliminated 7/58 | | NRHS |
| 56 | COPX | Canadianoxy Industrial Chemicals Ltd. Partnership | 1/94; added 1/97; 7/2000 | | NRHS |
| 57 | COPX | *CANADIANOXY INDUSTRIAL CHEMICALS LIMITED PARTNERSHIP | | | PWRC |
| 58 | COPX | *CHOATE OIL CORP. | | | PWRC |
| 59 | COPX | *CONSOLIDATED PRODUCTS CO., DIV. NATIONAL DAIRY PRODUCTS CORP. | | | PWRC |
| 60 | COPX | +NEXEN CHEMICAL CANADA LTD. PARTNERSHIP [CANADIANOXY INDUSTRIAL CHEMICALS LTD. PARTNERSHIP} | | | PWRC |
| 61 | COPX | *CITY OF PORTLAND | | | PWRC |
| 62 | COPX | CanadianOxy Industrial Chemicals | | | RSRV |
| 63 | COPX | CANEXUS CHEMICALS CANADA LIMITED PA | | | SCAC4 |
| 64 | COPZ | CITY OF PLYMOUTH | | | PWRC |
