| 5001 | CFGI | CAVALIER FREIGHT CORP | | | SCAC3 |
| 5002 | CFGI | CF GROUP INC | | | SCAC4 |
| 5003 | CFGJ | CELTIC FREIGHT LTD | | | SCAC4 |
| 5004 | CFGK | CLIFFORD, GARY TRUCKING | | | SCAC4 |
| 5005 | CFGL | CLARK FRIEGHT LINES INC | | | SCAC3 |
| 5006 | CFGL | CLARK FREIGHT LINES INC | | | SCAC4 |
| 5007 | CFGN | CRYSTAL FORWARDING INC | | | SCAC3 |
| 5008 | CFGO | CONTRANS FLATBED GROUP GP INC | | | SCAC4 |
| 5009 | CFGP | CUSTOM ROOFING COMPANY INC | | | SCAC3 |
| 5010 | CFGR | CUSTER FREIGHT SERVICE | | | SCAC3 |
| 5011 | CFGS | CALIFORNIA FREIGHT SERVICE | | | SCAC3 |
| 5012 | CFGT | COASTAL ENTERPRISES REFRIGERATED TR | | | SCAC3 |
| 5013 | CFGU | SEABOARD INTERNATION TRADING CO PTY | | | SCAC4 |
| 5014 | CFGV | COLLINS FREIGHT SERVICE, INC | | | SCAC3 |
| 5015 | CFGW | CONTINENTAL FREIGHTWAYS INC | | | SCAC3 |
| 5016 | CFGW | CONTINENTAL FREIGHTWAYS INC | | | SCAC4 |
| 5017 | CFGX | CARDINAL GLASS INDUXTRIES INC | | | SCAC4 |
| 5018 | CFGY | CITI FREIGHT SYSTEMS | | | SCAC3 |
| 5019 | CFGY | CAMEL FREIGHTS LTD | | | SCAC4 |
| 5020 | CFH | Care Flight Pty Ltd | Callsign: Care Flight, Name changed to Care Flight (NSW) Limited | AUS | AVCODES |
| 5021 | CFH | Care Flight (NSW) Ltd | Callsign: Care Flight, Name changed from Care Flight Pty Ltd | AUS | AVCODES |
| 5022 | CFH | Care Flight | | | ICAO1 |
| 5023 | CFHA | C & F HAULING INC | | | SCAC4 |
| 5024 | CFHB | CANDLER SHIFFAHRT GMBH | | | SCAC4 |
| 5025 | CFHC | C & H FORWARDING CO INC | | | SCAC3 |
| 5026 | CFHC | CLASSIC FREIGHT HAULERS LLC | | | SCAC4 |
| 5027 | CFHD | CALIFORNIA SOUTHLAND TRANSPORTATION | | | SCAC3 |
| 5028 | CFHI | CHARTER FREIGHT LINES INC | | | SCAC3 |
| 5029 | CFHI | CITY FUEL & HEATING INC | | | SCAC4 |
| 5030 | CFHL | CHIEF FREIGHT LINES INC | | | SCAC3 |
| 5031 | CFHL | CDS GROUP HOLDINGS LIMITED | | | SCAC4 |
| 5032 | CFHN | CONNER FREIGHT LINE | | | SCAC4 |
| 5033 | CFHO | CHONS TRANSFER & STORAGE | | | SCAC4 |
| 5034 | CFHP | CHASES FOOTHILL PETROLEUM | | | SCAC4 |
| 5035 | CFHQ | CATFISH EXPRESS INC | | | SCAC4 |
| 5036 | CFHR | C TWO (C2) FREIGHT RESOURCES INC ( | | | SCAC4 |
| 5037 | CFHR | Chemin de Fer du Haut Rhone | | F | TRAFFIC |
| 5038 | CFHS | COASTAL FREIGHT & SALVAGE | | | SCAC4 |
| 5039 | CFHT | COLT FREIGHT SYSTEMS INC | | | SCAC3 |
| 5040 | CFHU | SHANDONG CONGLIN FRUEHAUF AUTOMOBILE CO.,LTD | | PRC | BIC |
| 5041 | CFHV | CHARIOTS FOR HIRE | | | SCAC4 |
| 5042 | CFHW | CANCHART FM & C PTE LTD | | | SCAC4 |
| 5043 | CFHY | CANADIAN FISHING COMPANY (A DIVISIO | | | SCAC4 |
| 5044 | CFI | Flight Inspection Center of the General Administration of Civil Aviation of China | Callsign: China Jet, | K | AVCODES |
| 5045 | CFI | Flight Inspection Center of the General Administra | | | ICAO1 |
| 5046 | CFI | COLORADO FUEL & IRON CO. | | | PWRC |
| 5047 | CFI | S.C. Calea Ferata Ingusta SRL | | RO | TRAFFIC |
| 5048 | CFI | CFI - COMPAGNIA FERROVIARIA ITALIANA SrL | | IT | VKM |
| 5049 | CFIB | COASTAL FIBERS INC | | | SCAC3 |
| 5050 | CFIB | CRITICAL FREIGHT INC | | | SCAC4 |
| 5051 | CFIC | CERTIFIED CONTRACT CARRIERS | | | SCAC3 |
| 5052 | CFIC | CORMIERS FIVE ISLAND CLAMS LIMITED | | | SCAC4 |
| 5053 | CFID | CERTIFIED TRUCKING INDUSTRIES INC | | | SCAC3 |
| 5054 | CFID | CAROLINA FOODS INC | | | SCAC4 |
| 5055 | CFIE | CALIFORNIA INLAND EMPIRE TRUCKING I | | | SCAC3 |
| 5056 | CFIF | CASTO FARMS INC | | | SCAC4 |
| 5057 | CFIG | CONTINENTAL FREIGHT SERVICE INC | | | SCAC3 |
| 5058 | CFIG | CHICAGO FREIGHT INC | | | SCAC4 |
| 5059 | CFIH | CONTRACTOR FREIGHT SERVICE | | | SCAC3 |
| 5060 | CFIH | COLE FREIGHT INC | | | SCAC4 |
| 5061 | CFII | C F I SYSTEMS INC | | | SCAC3 |
| 5062 | CFII | CFT-IOS INC | | | SCAC4 |
| 5063 | CFIJ | CLARE FREIGHT INTERNATIONAL (USA) I | | | SCAC4 |
| 5064 | CFIL | COLORADO CARTAGE INC | | | SCAC3 |
| 5065 | CFIL | CHARIOTS OF FIRE LTD | | | SCAC4 |
| 5066 | CFIM | CERTIFIED TRANSMISSION REBUILDERS I | | | SCAC3 |
| 5067 | CFIN | CAL INDUSTRIES | | | SCAC3 |
| 5068 | CFIO | CASCADE FREIGHT INC | | | SCAC4 |
| 5069 | CFIP | CONCRETE FINISHING INC | | | SCAC4 |
| 5070 | CFIQ | CERTIFIED WAREHOUSE & TRANSFER CO | | | SCAC3 |
| 5071 | CFIR | CEBULA FUEL SERVICE INC | | | SCAC4 |
| 5072 | CFIS | CROSSROADS FREIGHT SYSTEMS INC | | | SCAC3 |
| 5073 | CFIS | CONESTOGA FUELS INC | | | SCAC4 |
| 5074 | CFIT | CFI TRANSPORT INC | | | SCAC3 |
| 5075 | CFIT | CFI TRANSPORT INC | | | SCAC4 |
| 5076 | CFIT | Compagnia Ferroviaria Italiana | Real: CFI | I | TRAFFIC |
| 5077 | CFIU | CFI INTERMODAL SRL | | I | BIC |
| 5078 | CFIU | CHEM-FREIGHT, INC. | | | SCAC3 |
| 5079 | CFIU | CONTAINER FACTORY JASI | | | SCAC4 |
| 5080 | CFIW | CALIFORNIA FREIGHT INC | | | SCAC3 |
| 5081 | CFIX | The Colorado Fuel & Iron Corp. | 7/1937-7/1965; eliminated 10/1966 | | NAKINA |
| 5082 | CFIX | CF&I Steel Corp. | added 10/1966; 10/1966-1/1975; eliminated 1/1979 | | NAKINA |
| 5083 | CFIX | The Colorado Fuel & Iron Co. | 7/1923-7/1935 | | NAKINA |
| 5084 | CFIX | The Colorado Fuel & Iron Corp. | 4/38-7/65; eliminated 10/66 | | NRHS |
| 5085 | CFIX | CF&I Steel Corp. | added 10/66; 10/66-1/75; eliminated 1/79 | | NRHS |
| 5086 | CFIX | CF&I STEEL CORP. [COLORADO FUEL & IRON CO.] | | | PWRC |
| 5087 | CFIX | COLORADO FUEL & IRON CORP THE | | | SCAC3 |
| 5088 | CFIY | COUNTRY FRESH INC | | | SCAC4 |
| 5089 | CFIZ | C. F. INDUSTRIES | | | PWRC |
| 5090 | CFJ | Fujian Airlines | Callsign: Fujian, IATA designator IV recalled | PRC | AVCODES |
| 5091 | CFJ | Fujian Airlines | IATA: IV, Callsign: Fujian, Designator IV reinstated by IATA | PRC | AVCODES |
| 5092 | CFJ | Fujian Airlines | IATA: IV, Callsign: Fujian, IATA designator IV recalled | PRC | AVCODES |
| 5093 | CFJ | Fujian Airlines | | | ICAO1 |
| 5094 | CFJQ | CORTEZ, FRANK J | | | SCAC3 |
| 5095 | CFJT | CORNERSTONE FREIGHT | | | SCAC4 |
| 5096 | CFK | Centrafric'air S.A. | | RCA | AVCODES |
| 5097 | CFKC | CONFER TRUCKING INC | | | SCAC4 |
| 5098 | CFKG | CRAFT TRUCKING | | | SCAC3 |
| 5099 | CFKI | CLOCK FREIGHT INC | | | SCAC4 |
| 5100 | CFKL | C F K LOGISTICS INC | | | SCAC3 |
