| 1 | DEB | Debonair Airways Ltd. | IATA: 2G, Callsign: Debonair, Ceased operations. Designator 2G reinsgtated by IATA | GB | AVCODES |
| 2 | DEB | Debonair | | GB | TRAFFIC |
| 3 | DEBD | DENISON, DONALD B | | | SCAC4 |
| 4 | DEBE | DEBOER TRANSPORT LLC | | | SCAC4 |
| 5 | DEBG | DEUTSCH TRUCKING | | | SCAC4 |
| 6 | DEBG | Dampfzug-Betriebs-Gemeinschaft e.V | | DE | VKM |
| 7 | DEBI | DERENIA ENTERPRISES INC | | | SCAC4 |
| 8 | DEBJ | DEVAL DENIZCILIK VE TICARET AS | | | SCAC4 |
| 9 | DEBK | DEBKO INC | | | SCAC4 |
| 10 | DEBL | DEL TRANSIT LLC | | | SCAC4 |
| 11 | DEBN | DE LOS SANTOS TRUCKING | | | SCAC4 |
| 12 | DEBP | DICKERSON TRANSPORTATION INC | | | SCAC4 |
| 13 | DEBQ | DOUBLE EAGLE BULK CARRIERS INC | | | SCAC4 |
| 14 | DEBU | NASACO INTERNATIONAL LIMITED | | CH | BIC |
| 15 | DEBU | NASACO INTERNL LIMITED | | | SCAC4 |
| 16 | DEBV | DRAGON ENTERPRISES LTD MARSHALL ISL | | | SCAC4 |
| 17 | DEBX | Ceres AG Products | 7/2005 (not listed) | | NAKINA |
| 18 | DEBX | CERES AG PRODUCTS | | | PWRC |
| 19 | DEBX | Ceres AG Products | | | RSRV |
| 20 | DEBZ | DEBOERS TRANSPORTATION INC | | | SCAC4 |
