| 1 | DNL | D & K Aviation, Inc. | Callsign: Direct Jet, | KS | AVCODES |
| 2 | DNL | Dutch Antilles Express B.V. | IATA: 9H, Callsign: Bonaire Express, IATA Prefix: 493, Name changed from Dutch Eagle Express N.V. Founded in 2005. Commenced operations on 30 April 2005. Ceased operations on 19 September 2013. | NA | AVCODES |
| 3 | DNL | Dutch Antilles Express | | | ICAO1 |
| 4 | DNLD | DANIELS TRANSPORT | | | SCAC4 |
| 5 | DNLE | D N L EXPRESS ONTARIO INC | | | SCAC4 |
| 6 | DNLG | DYNAMIC MOBILITY SERVICES LLC | | | SCAC4 |
| 7 | DNLH | DEANER LIMITED LLC | | | SCAC4 |
| 8 | DNLI | D & L | | | SCAC4 |
| 9 | DNLL | D&L LEASING AND DIESEL, INC | | | SCAC1 |
| 10 | DNLM | DANN LOGISTICS | | | SCAC4 |
| 11 | DNLO | DENALI LOGISTICS CORP | | | SCAC4 |
| 12 | DNLP | DUNLAP TOWING COMPANY | | | SCAC4 |
| 13 | DNLS | DANIELS MOTOR FRT INC | | | PWRC |
| 14 | DNLS | DESTINATION LOGISTICS LLC | | | SCAC4 |
| 15 | DNLU | DRY ICE NATIONWIDE LIMITED | | GB | BIC |
| 16 | DNLU | HAMBURG SUED | | | SCAC4 |
