| 1 | MFA | Martyn Fiddler Associates | Callsign: Seahorse, | GB | AVCODES |
| 2 | MFA | Martyn Fiddler Associates | | | ICAO1 |
| 3 | MFAA | MFA INCORPORATED | | | SCAC4 |
| 4 | MFAB | METALFAB LTD | | | SCAC4 |
| 5 | MFAC | MASTER FREIGHT AMERICA CORP | | | SCAC4 |
| 6 | MFAD | MOVEFREIGHT | | | SCAC4 |
| 7 | MFAE | MALFATONE, RALPH & SON INC | | | SCAC4 |
| 8 | MFAF | MATHESON FAST FREIGHT, INC | | | SCAC1 |
| 9 | MFAG | Müller Gleisbau AG | | CH | VKM |
| 10 | MFAH | MORGAN FUEL AND HEATING CO INC | | | SCAC4 |
| 11 | MFAN | MASTRE, FRANK | | | SCAC4 |
| 12 | MFAO | MISTY FJORDS AIR & OUTFITTING | | | SCAC4 |
| 13 | MFAP | MFS SYSTEMS TWO ZERO ZERO SEVEN (20 | | | SCAC4 |
| 14 | MFAQ | MANUFACTUROS AGUIRRE | | | SCAC4 |
| 15 | MFAR | MANHEIM FARM | | | SCAC4 |
| 16 | MFAS | MFA-FAST EXPRESS | | | SCAC4 |
| 17 | MFAX | Producers Produce Co. (Merchants Despatch, Inc.) | 7/1935 | | NAKINA |
| 18 | MFAX | M.F.A. Egg & Poultry Association | 7/1932 | | NAKINA |
| 19 | MFAX | M.F.A. EGG & POULTRY ASSOCIATION | | | PWRC |
| 20 | MFAZ | MFA INDUSTRIES | | | PWRC |
