| 1 | ECF | Eurocopter | Callsign: Eurocopter, Name changed to Airbus Helicopters | F | AVCODES |
| 2 | ECF | Airbus Helicopters | Name changed from Eurocopter | F | AVCODES |
| 3 | ECF | Eurocopter | | | ICAO1 |
| 4 | ECFC | ECONO FREIGHT CARIBBEAN INC | | | SCAC3 |
| 5 | ECFH | EUCLID FISH CO | | | SCAC4 |
| 6 | ECFL | ECONOMY TRANSPORT OF FLORIDA LLC | | | SCAC4 |
| 7 | ECFM | EAST COAST FREIGHT & MOVING SYSTEMS | | | SCAC3 |
| 8 | ECFO | EVANS COAL & FUEL OIL INC | | | SCAC4 |
| 9 | ECFP | EMERALD COAST FINEST PRODUCE CO INC | | | SCAC4 |
| 10 | ECFW | EAST COAST FREIGHTWAYS CORP | | | SCAC3 |