| 1 | CFU | CAA Flying Unit | Callsign: Minair, Designator MC recalled by IATA | GB | AVCODES |
| 2 | CFU | Civil Aviation Authority Flying Unit | IATA: MC, Callsign: Minair, Designator MC recalled by IATA | GB | AVCODES |
| 3 | CFU | United Kingdom Civil Aviation Authority | | | ICAO1 |
| 4 | CFUE | CONTINENTAL FUEL TRANSPORTATION | | | SCAC3 |
| 5 | CFUE | CONTINENTAL FUEL TRANSPORTATION | | | SCAC4 |
| 6 | CFUI | COOL FUEL INCORPORATED | | | SCAC3 |
| 7 | CFUL | COMMERCIAL FUEL SYSTEMS | | | SCAC4 |
| 8 | CFUM | CHAPPLE FUELS LIMITED | | | SCAC4 |
| 9 | CFUN | CROFTON CONSTRUCTION SERVICES INC | | | SCAC4 |
| 10 | CFUO | CONSOLIDATED FUEL CO | | | SCAC3 |
| 11 | CFUR | CARRIER FURNITURE SYSTEM CORP | | | SCAC3 |
| 12 | CFUS | CROFUTT & SMITH MOVING & STORAGE IN | | | SCAC3 |
| 13 | CFUT | CHARTERHALL FURNITURE | | | SCAC4 |
| 14 | CFUU | CF TRUCKLOAD SERVICE, INC | | | SCAC3 |
| 15 | CFUY | CHAMPLAIN FURNITURE | | | SCAC4 |
