| 4801 | CFA | China Flying Dragon Aviation Co. | Callsign: Feilong, | PRC | AVCODES |
| 4802 | CFA | China Flying Dragon Aviation | | | ICAO1 |
| 4803 | CFAA | CHEEMA FREIGHTLINES LLC | | | SCAC4 |
| 4804 | CFAB | CAFARO BROS TRUCKING OF STATEN ISLA | | | SCAC3 |
| 4805 | CFAE | CANADIAN FREIGHT ASSOCIATION (EASTE | | | SCAC3 |
| 4806 | CFAF | CONNELLY FARMS | | | SCAC4 |
| 4807 | CFAI | COLASANTI FARMS LTD | | | SCAC4 |
| 4808 | CFAJ | CENTEX FREIGHT LINES | | | SCAC4 |
| 4809 | CFAK | CRESCENT FARM | | | SCAC4 |
| 4810 | CFAL | CALIFORNIA LIMOUSINE CORPORATION | | | SCAC3 |
| 4811 | CFAN | CALIFORNIA AMERICAN INTERNATIONAL F | | | SCAC3 |
| 4812 | CFAO | CALIFORNIA OVERLAND EXPRESS INC | | | SCAC3 |
| 4813 | CFAQ | CHARLES FARMS | | | SCAC4 |
| 4814 | CFAR | CHESAPEAKE FARMS INC | | | SCAC4 |
| 4815 | CFAS | CONSOLIDATED FREIGHTWAYS ARROWHEAD | | | SCAC3 |
| 4816 | CFAT | CFA TRANSPORT INC | | | SCAC3 |
| 4817 | CFAT | CRAWFORD GRAIN INTERNATIONAL INC | | | SCAC4 |
| 4818 | CFAU | CELTIC FREIGHT AGENCIES LTD | | | SCAC3 |
| 4819 | CFAU | CELTIC FREIGHT AGENCIES LTD | | | SCAC4 |
| 4820 | CFAV | COUSINS FREIGHT SERVICE LTD | | | SCAC4 |
| 4821 | CFAW | CANADIAN FREIGHT ASSOCIATION (WESTE | | | SCAC3 |
| 4822 | CFAW | CENTERLINE FREIGHT SERVICES INC | | | SCAC4 |
| 4823 | CFAX | Combustion By-Products Co. | added 7/1963; 7/1965-1/1975; eliminated 1/1976 | | NAKINA |
| 4824 | CFAX | Combustion By-Products Co. | added 7/63; 7/65-1/75 | | NRHS |
| 4825 | CFAX | COMBUSTION BY-PRODUCTS CO. | | | PWRC |
| 4826 | CFAX | COMBUSTION BY-PRODUCTS CO | | | SCAC3 |
| 4827 | CFAY | CRAFTS, A R COMPANY | | | SCAC3 |
| 4828 | CFAY | CARY FARMS INC | | | SCAC4 |
| 4829 | CFB | City Bird France | Callsign: French Bird, | B | AVCODES |
| 4830 | CFBA | Chemin de Fer du Blanc-Argent | Real: BA | F | TRAFFIC |
| 4831 | CFBB | CLEMENT FREIGHT LLC | | | SCAC4 |
| 4832 | CFBC | COURTAULDS FIBRES CANADA | | | SCAC3 |
| 4833 | CFBC | COLONIAL FREIGHT BROKERAGE CORP | | | SCAC4 |
| 4834 | CFBD | CASCADE FREIGHT BROKERS LLC | | | SCAC4 |
| 4835 | CFBE | COPYFAST BUSINESS EQUIPMENT | | | SCAC4 |
| 4836 | CFBF | CENTRAL FLORIDA LOGISTICS INC | | | SCAC4 |
| 4837 | CFBG | CECILIO FREIGHT | | | SCAC4 |
| 4838 | CFBH | CRYSTAL FREIGHT SYSTEMS LLC | | | SCAC4 |
| 4839 | CFBJ | CEVA FREIGHT LLC (INTERSTATE PROPER | | | SCAC4 |
| 4840 | CFBL | CALTEX FREIGHT BROKERAGE LLC | | | SCAC4 |
| 4841 | CFBN | CEDRIC FREIGHT BROKERAGE INC | | | SCAC4 |
| 4842 | CFBP | CEVA FREIGHT LLC (INTERSTATE MOTOR | | | SCAC4 |
| 4843 | CFBR | CJBS FREIGHT BROKERAGE | | | SCAC4 |
| 4844 | CFBS | CANADIAN FEED SCREWS MFG LTD | | | SCAC4 |
| 4845 | CFBS | Chemins de Fer de la Baie de Somme | | F | TRAFFIC |
| 4846 | CFBU | CHEMISCHE FABRIK KARL BUCHER GMBH | | D | BIC |
| 4847 | CFBX | CFBX, Inc. | added 1/1980; 1/1980; eliminated 1/1983 | | NAKINA |
| 4848 | CFBX | CFBX, Inc. | added 1/80; 1/80; eliminated 1/83 | | NRHS |
| 4849 | CFBX | *CHADDS FORD & BRANDYWINE RAILWAY | | | PWRC |
| 4850 | CFBX | *CFBX, INC. | | | PWRC |
| 4851 | CFBY | CRG FREIGHT LLC | | | SCAC4 |
| 4852 | CFC | Canadian Armed Forces | Callsign: CanForce, | CDN | AVCODES |
| 4853 | CFC | Canadian Forces | | | ICAO1 |
| 4854 | CFC | CHEMIN DE FER CHARLEVOIX | | | PWRC |
| 4855 | CFC | Chemin de fer Charlevoix | | | RSRV |
| 4856 | CFC | Chemins de Fer de la Corse (SNCF/CFC) | | F | TRAFFIC |
| 4857 | CFCA | CFS CORPORATION | | | SCAC3 |
| 4858 | CFCB | CITY OF TAMPA | | | SCAC4 |
| 4859 | CFCC | CAROLINA FREIGHT CARRIERS CORPORATION | | | PWRC |
| 4860 | CFCC | CAROLINA FREIGHT | | | SCAC3 |
| 4861 | CFCC | CINCINNATI FREEZER CORPORATION | | | SCAC4 |
| 4862 | CFCD | CALIFORNIA CASCADE INDUSTRIES | | | SCAC3 |
| 4863 | CFCD | CALIFORNIA CASCADE INDUSTRIES INC | | | SCAC4 |
| 4864 | CFCG | CHIEF TRUCKING LLC | | | SCAC4 |
| 4865 | CFCH | CALIFORNIA COAST COACH INC | | | SCAC3 |
| 4866 | CFCH | C R F CHAIN & CABLE LTD | | | SCAC4 |
| 4867 | CFCI | CORMETT FORWARDING CO INC | | | SCAC3 |
| 4868 | CFCI | CONTINENTAL FUEL CO INC | | | SCAC4 |
| 4869 | CFCJ | COUNTRY FREIGHT CARRIER CORP | | | SCAC4 |
| 4870 | CFCK | CFC (TRUCK BROKERAGE DIV) | | | SCAC4 |
| 4871 | CFCL | CHALIFOURS CLASSIC LIMOUSINE SERVIC | | | SCAC3 |
| 4872 | CFCL | CHALIFOURS CLASSIC LIMOUSINE SERVIC | | | SCAC4 |
| 4873 | CFCLA | Chicago Freight Car Leasing Australia | | AUS | TRAFFIC |
| 4874 | CFCM | COLORADO REFINING COMPANY | | | SCAC3 |
| 4875 | CFCM | CLIFTY FARM COUNTRY MEATS | | | SCAC4 |
| 4876 | CFCN | CHIEFTAIN CONTRACT SERVICES | | | SCAC4 |
| 4877 | CFCO | C F C TRUCKING CO INC | | | SCAC4 |
| 4878 | CFCO | Congo-Ocean Railway | | RCB | TRAFFIC |
| 4879 | CFCP | CALIFORNIA COMPUTER TRANSPORT INC | | | SCAC3 |
| 4880 | CFCP | CARIBBEAN FOREST CARRIERS S A | | | SCAC4 |
| 4881 | CFCQ | CHESAPEAKE FURNITURE CONTRACTORS IN | | | SCAC4 |
| 4882 | CFCR | CALIFORNIA COURIERS INC | | | SCAC3 |
| 4883 | CFCR | CREST FOAM CORP | | | SCAC4 |
| 4884 | CFCS | CAROLINA FREIGHT CARRIERS CORP (FLA | | | SCAC3 |
| 4885 | CFCS | CONFIDENT COURIER SERVICE LLC | | | SCAC4 |
| 4886 | CFCT | CFC TRANSPORTATION INC | | | SCAC4 |
| 4887 | CFCU | DEPARTMENT OF NATIONAL DEFENCE (DND) | | CDN | BIC |
| 4888 | CFCU | Canada Department Of National Defence | | | RSRV |
| 4889 | CFCU | CARIBBEAN FREIGHT CARRIERS INC | | | SCAC3 |
| 4890 | CFCU | DEPARTMENT OF NATIONAL DEFENCE (DND | | | SCAC4 |
| 4891 | CFCV | CHIEF CARRIERS INC | | | SCAC4 |
| 4892 | CFCW | CFC | | | SCAC4 |
| 4893 | CFCX | Champion Paper & Fibre Co. | 7/1937-4/1938 | | NAKINA |
| 4894 | CFCX | Cities Fuel Corp. | 1/1950 | | NAKINA |
| 4895 | CFCX | The Champion Fibre Co. | 8/1920-7/1935 | | NAKINA |
| 4896 | CFCX | *CHAMPION PAPER & FIBRE CO. | | | PWRC |
| 4897 | CFCX | *CITIES FUEL CORP. | | | PWRC |
| 4898 | CFCY | COLESON FREIGHT CARRIERS LTD | | | SCAC4 |
| 4899 | CFCZ | CENTRAL FEED COMPANY | | | PWRC |
| 4900 | CFD | Cranfield Institute Of Technology | Callsign: Aeronaut, Name changed to Cranfield University | GB | AVCODES |
