| 1 | DCA | Aerodacia | Callsign: Aerodacia, | MD | AVCODES |
| 2 | DCA | Dreamcatcher Airways | Callsign: Dream Catcher, | GB | AVCODES |
| 3 | DCA | Aerotaxi del Caribe, S de R.L. de C.V. | Callsign: Delcaribe, | MEX | AVCODES |
| 4 | DCA | Dreamcatcher Airways | | | ICAO1 |
| 5 | DCA | DORSEY, CURTIS A | | | SCAC4 |
| 6 | DCAA | DCC TRANSPORT LLC | | | SCAC4 |
| 7 | DCAC | D & C TRUCKING OF COTTAGE GROVE LLC | | | SCAC4 |
| 8 | DCAE | DELANEY, CAROLINE | | | SCAC4 |
| 9 | DCAF | D C AIR FREIGHT DIVISION INC | | | SCAC4 |
| 10 | DCAI | DCA EXPRESS INC | | | SCAC4 |
| 11 | DCAM | DCA TRANSPORTE | | | SCAC4 |
| 12 | DCAR | DAKOTA CARTAGE COMPANY, INC | | | SCAC1 |
| 13 | DCAU | CACI | | F | BIC |
| 14 | DCAU | DIRECTION CENTRALE COMM ARMEE DE TE | | | SCAC4 |
| 15 | DCAX | Tarmac, Fla., Inc. | eliminated 7/1997; 7/2000-7/2005 (not listed) | | NAKINA |
| 16 | DCAX | Tarmac, Fla., Inc., c/o Delray Connecting R.R. Co. | added 10/1996 | | NAKINA |
| 17 | DCAX | Tarmac, Fla., Inc. | added 10/1989; 1/1994 | | NAKINA |
| 18 | DCAX | Tarmac, Fla., Inc. | added 10/89; 1/94 | | NRHS |
| 19 | DCAX | Tarmac, Fla., Inc., c/o Delray Connecting R.R. Co. | added 10/96 | | NRHS |
| 20 | DCAX | Tarmac, Fla., Inc. | eliminated 7/97; 7/2000 | | NRHS |
| 21 | DCAX | TARMAC FLA., INC. | | | PWRC |
| 22 | DCAX | Tarmac Florida | | | RSRV |
| 23 | DCAX | TARMAC FLA., INC. | | | SCAC4 |
