| 14701 | CRNX | Coffeyville Resources Nitrogen Fertilizers, LLC | added 10/2004; 7/2005 | | NAKINA |
| 14702 | CRNX | Coosa River Newsprint Co. | 1/1952-7/1954; eliminated 4/1955 | | NAKINA |
| 14703 | CRNX | Consumers Refining Co. (Shaffer Oil & Refining Co.) | 8/1920 | | NAKINA |
| 14704 | CRNX | Coosa River Newsprint Co. | 1/52; eliminated 4/55 | | NRHS |
| 14705 | CRNX | *SHAFFER OIL & REFINING CO. [CONSUMERS REFINING CO.] | | | PWRC |
| 14706 | CRNX | *COOSA RIVER NEWSPRINT CO. | | | PWRC |
| 14707 | CRNX | +COFFEYVILLE RESOURCES NITROGEN FERTILIZERS, LLC | | | PWRC |
| 14708 | CRNX | COFFEYVILLE RESOURCES NITROGEN FERT | | | SCAC4 |
| 14709 | CRO | Crown Airways, Inc. | Callsign: Crown Airways, | USA | AVCODES |
| 14710 | CRO | Crown Airways | | | ICAO1 |
| 14711 | CROB | CRILE, ROBEERT TRUCKING INC | | | SCAC3 |
| 14712 | CROB | CROSSBORDER SOLUTIONS INC | | | SCAC4 |
| 14713 | CROC | CRADDOCK OIL COMPANY | | | SCAC4 |
| 14714 | CROE | COOPER, ROGER | | | SCAC3 |
| 14715 | CROF | CROSBY & OVERTON INC | | | SCAC3 |
| 14716 | CROF | CRO QUAIL FARMS INC | | | SCAC4 |
| 14717 | CROG | CARGO CONNECTIONS LLC | | | SCAC4 |
| 14718 | CROH | CROSS & BRIGGS | | | SCAC3 |
| 14719 | CROH | CIMARRON INC | | | SCAC4 |
| 14720 | CROI | CREST-ORBIT DELIVERY INC | | | SCAC3 |
| 14721 | CROI | CAROTRANS INTERNATIONAL | | | SCAC4 |
| 14722 | CROJ | CARMEL OIL COMPANY | | | SCAC4 |
| 14723 | CROK | CARLSON TRUCKING INC | | | SCAC4 |
| 14724 | CROM | CROMARTIE TRANSPORT CO | | | SCAC3 |
| 14725 | CRON | CRONKWRIGHT TRANSPORT LTD | | | SCAC3 |
| 14726 | CRONI | Cronifer | | NL | VKM |
| 14727 | CROO | CROOKS TERMINAL WAREHOUSE INC | | | SCAC3 |
| 14728 | CROP | CROSS-TIE HORSE VANS, INC | | | SCAC3 |
| 14729 | CROP | CROPPER OIL CO INC | | | SCAC4 |
| 14730 | CROQ | CARROLLS COURIER SERVICE LLC | | | SCAC4 |
| 14731 | CROR | CLEAR ONE CORP | | | SCAC4 |
| 14732 | CROS | CAROTRANS INTERNATIONAL INC. | | | SCAC3 |
| 14733 | CROS | CAROTRANS INTERNATIONAL INC | | | SCAC4 |
| 14734 | CROS | Crossrail AG | Real: CROSS | CH | TRAFFIC |
| 14735 | CROSS | Crossrail AG | | CH | VKM |
| 14736 | CROSV | Crosville Motor Services | | GB | TRAFFIC |
| 14737 | CROT | CROSS TRANSPORTATION, INC | | | SCAC3 |
| 14738 | CROT | CROSLAND TRUCKING INC | | | SCAC4 |
| 14739 | CROU | CRYOS CO., LTD. | | ROK | BIC |
| 14740 | CROU | CROW & CO. (LONDON) LTD | | | SCAC3 |
| 14741 | CROU | CRODA SINGAPORE PTE LTD | | | SCAC4 |
| 14742 | CROV | CROSSMANS VAN & STORAGE CO, INC | | | SCAC3 |
| 14743 | CROV | CROSSMANS VAN & STORAGE CO INC | | | SCAC4 |
| 14744 | CROW | CROW, HARRY & SON, INC | | | SCAC3 |
| 14745 | CROW | CROW, HARRY & SON, INC | | | SCAC4 |
| 14746 | CROX | Macquarie Rail Inc. | added 4/2008 | | NAKINA |
| 14747 | CROX | Sylvachem Corp. | added 1/1983; eliminated 7/1983 | | NAKINA |
| 14748 | CROX | SCM Corp. | added 10/1982; eliminated 1/1983 | | NAKINA |
| 14749 | CROX | Crosby Chemicals, Inc. | added 1/1955; 10/1957-1/1980; eliminated 10/1982 | | NAKINA |
| 14750 | CROX | Southwestern Sugar & Molasses Co. | 1/1945 | | NAKINA |
| 14751 | CROX | Crude Oil Contracting Co. | 1/1943 | | NAKINA |
| 14752 | CROX | Crosby Chemicals, Inc. | 10/57-1/80; eliminated 10/82 | | NRHS |
| 14753 | CROX | SCM Corp. | added 10/82; eliminated 1/83 | | NRHS |
| 14754 | CROX | Sylvachem Corp. | added 1/83 | | NRHS |
| 14755 | CROX | *CRUDE OIL CONTRACTING CO. | | | PWRC |
| 14756 | CROX | *SOUTHWESTERN SUGAR & MOLASSES CO. | | | PWRC |
| 14757 | CROX | *SYLVACHEM CORPORATION [SCM CORP.; CROSBY CHEMICALS, INC.] | | | PWRC |
| 14758 | CROX | +MACQUARIE RAIL INC. | | | PWRC |
| 14759 | CROX | Sylvachem Corporation | | | RSRV |
| 14760 | CROX | CROSBY CHEMICALS INC | | | SCAC3 |
| 14761 | CROX | MACQUARIE RAIL INC | | | SCAC4 |
| 14762 | CROY | CARTER OIL CO | | | SCAC4 |
| 14763 | CROYDON | | City: Croydon | GB | TRAFFIC |
| 14764 | CRP | Aerotaxis Corporativo, S.A. de C.V. | Callsign: Corporativo, | MEX | AVCODES |
| 14765 | CRP | Corporate Air Travel, Inc. | Callsign: Corporate, | USA | AVCODES |
| 14766 | CRP | Aerotransportes Corporativos, S.A. de C.V. | Callsign: Aerotranscorp, | MEX | AVCODES |
| 14767 | CRP | Aerotransportes Corporativos | | | ICAO1 |
| 14768 | CRP | Central Railroad of Pennsylvania | 1/1975-1/1980 | | NAKINA |
| 14769 | CRP | Central Railroad of New Jersey | 10/1957-7/1965 | | NAKINA |
| 14770 | CRP | Central Railroad of Pennsylvania | 1/1946-7/1954 | | NAKINA |
| 14771 | CRP | Central Railroad of Pennsylvania | Jan-52 | | NRHS |
| 14772 | CRP | Central Railroad of New Jersey | 10/57-7/65 | | NRHS |
| 14773 | CRP | Central Railroad of Pennsylvania | 1/75-1/80 | | NRHS |
| 14774 | CRP | CONSOLIDATED RAIL CORP. [CENTRAL RAILROAD OF PENNSYLVANIA] | | | PWRC |
| 14775 | CRP | Central Railroad of Pennsylvania (Norfolk Southern) | | | RSRV |
| 14776 | CRP | Colas Rail Polska sp.z.o.o | | PL | TRAFFIC |
| 14777 | CRPA | CENTRAL RAILROAD COMPANY OF PENNSYLVANIA | | | PWRC |
| 14778 | CRPA | C R S | | | SCAC4 |
| 14779 | CRPC | CRIPPLE CREEK CHARTER | | | SCAC3 |
| 14780 | CRPC | CROSSROADS PETROLEUM TRANSPORT LLC | | | SCAC4 |
| 14781 | CRPD | CHARTER PROPERTIES INC | | | SCAC4 |
| 14782 | CRPF | CRAPO LTD | | | SCAC4 |
| 14783 | CRPG | CARRIER REPS/USA INC | | | SCAC3 |
| 14784 | CRPH | CEDAR RAPIDS MOBILE HOME SERVICE IN | | | SCAC3 |
| 14785 | CRPI | CONTAINER REPAIR SERVICES INC | | | SCAC3 |
| 14786 | CRPL | CORPORATION LYAND | | | SCAC4 |
| 14787 | CRPM | CRIPPEN, MICKEY RAY | | | SCAC3 |
| 14788 | CRPM | CARLETON RESCUE EQUIPMENT LTD | | | SCAC4 |
| 14789 | CRPO | CRISPIN OIL | | | SCAC4 |
| 14790 | CRPP | CRIPPEN, C B & SONS | | | SCAC3 |
| 14791 | CRPP | CANADIAN RECYCLED PLASTIC PRODUCTS | | | SCAC4 |
| 14792 | CRPQ | CARPENTERS EXPRESS | | | SCAC3 |
| 14793 | CRPQ | CONNERS EXPRESS | | | SCAC4 |
| 14794 | CRPR | CARPENTER, B & SON TRUCKING | | | SCAC3 |
| 14795 | CRPR | CRUZ PINO, RAUL FERNANDO | | | SCAC4 |
| 14796 | CRPS | C R S T INC | | | SCAC3 |
| 14797 | CRPS | CRST VAN EXPEDITED INC | | | SCAC4 |
| 14798 | CRPT | CARPET TRANSPORT INC | | | SCAC3 |
| 14799 | CRPU | CIMAR RENTING SA | | P | BIC |
| 14800 | CRPU | NORFOLK SOUTHERN [CONSOLIDATED RAIL CORP.] | | | PWRC |
