| 5601 | DURH | Durham Travel Services (Easylink) | | GB | TRAFFIC |
| 5602 | DURI | DURAN TRANSPORTATION INC | | | SCAC4 |
| 5603 | DURK | DURAN TRUCKING | | | SCAC4 |
| 5604 | DURM | DURAN GONZALEZ, SUSANA ANABEL | | | SCAC4 |
| 5605 | DURN | DUN-RITE TOWING INC | | | SCAC4 |
| 5606 | DURO | DUROCHER INTERNATIONAL (DIV OF TRAN | | | SCAC4 |
| 5607 | DUROC | Duroc Rail AB | | SE | VKM |
| 5608 | DURP | DURBIN TRANSPORT INC | | | SCAC4 |
| 5609 | DURR | DELAWARE & ULSTER RAIL RIDE | | | PWRC |
| 5610 | DURR | DUROCHER, RENEE | | | SCAC4 |
| 5611 | DURTR | DURTRACK GmbH | | DE | VKM |
| 5612 | DURX | DURABAG CO., INC. | | | PWRC |
| 5613 | DURX | DURABAG CO INC | | | SCAC4 |
| 5614 | DUS | DENVER UNION STOCKYARD CORP. | | | PWRC |
| 5615 | DUSA | DELTURA USA INC | | | SCAC4 |
| 5616 | DUSD | DUS DENTAL U INC | | | SCAC4 |
| 5617 | DUSG | Düsseldorf, Lilliput Eisenbahn | | D | TRAFFIC |
| 5618 | DUSI | DUSI, MICHAEL TRUCKING INC | | | SCAC4 |
| 5619 | DUSLO | DUSLO a.s. | | SK | VKM |
| 5620 | DUSM | DUNN, SAM EXPRESS | | | SCAC4 |
| 5621 | DUSO | DURSO TRANSPORTATION CORP | | | SCAC4 |
| 5622 | DUSR | DUSHKA JEWELLERY | | | SCAC4 |
| 5623 | DUSS | Deutsche Umschlaggesellschaft Schiene/Straße | Bodenheim | D | privat-bahn.de |
| 5624 | DUT | Serendib Air International (Pvt) Limited | Callsign: Serendib, | CL | AVCODES |
| 5625 | DUT | Denver Union Terminal Ry., Co. | 1/1994-7/2005 | | NAKINA |
| 5626 | DUT | Denver Union Terminal Ry., Co. | 1/94-7/2000 | | NRHS |
| 5627 | DUT | DENVER UNION TERMINAL RY CO. | | | PWRC |
| 5628 | DUT | Denver Union Terminal Railway | | | RSRV |
| 5629 | DUT | Dutchbird | Real: DBR, 5D | NL | TRAFFIC |
| 5630 | DUTC | Dallas Union Terminal | 1/1975-7/2005 | | NAKINA |
| 5631 | DUTC | Dallas Union Terminal | 1/75-7/2000 | | NRHS |
| 5632 | DUTC | DALLAS UNION TERMINAL | | | PWRC |
| 5633 | DUTC | Dallas Union Terminal | | | RSRV |
| 5634 | DUTF | DURST TRUCKING SERVICE, INC | | | SCAC1 |
| 5635 | DUTF | DURST TRUCKING SERVICE | | | SCAC4 |
| 5636 | DUTG | DEALZ UNLIMITED TOWING | | | SCAC4 |
| 5637 | DUTI | DESTINATION UNKNOWN TRUCKING INC | | | SCAC4 |
| 5638 | DUTL | DUTILE & SONS INC | | | SCAC4 |
| 5639 | DUTS | DUNCAN TRUCK SERVICE, INC | | | SCAC1 |
| 5640 | DUTS | DUNCAN TRUCK SERVICE INCORPORATED | | | SCAC4 |
| 5641 | DUTT | DUTCH TRANSPORT LLC | | | SCAC4 |
| 5642 | DUTU | DUTCHTAINER | | NL | BIC |
| 5643 | DUTV | DUREN TRUCKING | | | SCAC4 |
| 5644 | DUV | Alba Volán Dunaújváros | City: Dunaújváros | H | TRAFFIC |
| 5645 | DUVT | DUVAL TRANSPORTATION OF THE CAROLINAS | | | PWRC |
| 5646 | DUVU | DUVEL MOORTGAT NV | | B | BIC |
| 5647 | DUX | Donner-Hanna Coke Corp. | eliminated 10/1982 | | NAKINA |
| 5648 | DUX | Donner-Hanna Coke Joint Venture | added 1/1980; 1/1980 | | NAKINA |
| 5649 | DUX | Donner Union Coke Corp. | 7/1923 | | NAKINA |
| 5650 | DUX | Donner-Hanna Coke Corp. | 7/1930-1/1975; eliminated 1/1980 | | NAKINA |
| 5651 | DUX | Donner-Hanna Coke Corp. | 4/38-1/75; eliminated 1/80 | | NRHS |
| 5652 | DUX | Donner-Hanna Coke Joint Venture | added 1/80; 1/80 | | NRHS |
| 5653 | DUX | Donner-Hanna Coke Corp. | eliminated 10/82 | | NRHS |
| 5654 | DUX | DONNER-HANNA COKE CORP. | | | PWRC |
| 5655 | DV | Lufttaxi Fluggesellschaft mbH | ICAO: LTF, Callsign: Garfield, | D | AVCODES |
| 5656 | DV | PLL Scat Aircompany | ICAO: VSV, Callsign: Vlasta, | KZ | AVCODES |
| 5657 | DV | Deutsche Rettungsflugwacht | ICAO: AMB, Callsign: Air Ambulance, Designator DV recalled by IATA | D | AVCODES |
| 5658 | DV | Germanair Bedarfsluftfahrtgesellschaft mhB | Callsign: German Air, | D | AVCODES |
| 5659 | DV | Air Vendée | ICAO: AVD, Callsign: Air Vendee, | F | AVCODES |
| 5660 | DV | Air Vendée | ICAO: AVD, | F | AVCODES |
| 5661 | DV | Delaware Valley Ry. Co., Inc. | added 10/1994; eliminated 10/1999; 7/2000-7/2005 | | NAKINA |
| 5662 | DV | Delaware Valley Ry. Co., Inc. | added 10/94; eliminated 10/99; 7/2000 | | NRHS |
| 5663 | DV | DELAWARE VALLEY RAILWAY COMPANY, INC. | | | PWRC |
| 5664 | DV | Delaware Valley Railway | | | RSRV |
| 5665 | DV | DELAWARE VALLEY RAILWAY COMPANY INC | | | SCAC4 |
| 5666 | DV | Déli Vasút (Austro-Hungarian Southern Railway) | | H | TRAFFIC |
| 5667 | DVA | Discovery Airways | IATA: DH, Callsign: Discovery Airways, Ceased operations on 13 July 1990 | USA | AVCODES |
| 5668 | DVA | Discovery Airways | IATA: DH | | ICAO1 |
| 5669 | DVAD | DAVE & ADAMS CARD WORLD | | | SCAC4 |
| 5670 | DVAI | DIVERSIFIED AUTOMOTIVE INC | | | SCAC4 |
| 5671 | DVAK | DEL VAL TRUCKING | | | SCAC4 |
| 5672 | DVAL | DEL VALLE JACOME, ROBERTO | | | SCAC4 |
| 5673 | DVAO | DONOVAN TRANSPORT INC | | | SCAC4 |
| 5674 | DVAQ | DIVINE DESTINY TRANSPORTATION INC | | | SCAC4 |
| 5675 | DVAS | Dunai Vasmû | | H | TRAFFIC |
| 5676 | DVAT | DEVEN TRANSPORT, INC | | | SCAC1 |
| 5677 | DVAT | DEVEN TRANSPORT INC | | | SCAC4 |
| 5678 | DVAV | DAVIS AUDIO-VISUAL | | | SCAC4 |
| 5679 | DVAW | DAVIS, VIRGIL F III TRUCKING | | | SCAC4 |
| 5680 | DVB | Don Avia, CJSC | Callsign: Donsebai, | KZ | AVCODES |
| 5681 | DVB | Don Avia | | | ICAO1 |
| 5682 | DVB | | City: Dresden | D | TRAFFIC |
| 5683 | DVBC | DEER VALLEY TRUCKING INC | | | SCAC4 |
| 5684 | DVBE | DVB ENTERPRISES | | | SCAC4 |
| 5685 | DVBT | DAVIS, BILL TRUCKING LLC | | | SCAC4 |
| 5686 | DVBV | DAVES BULK SERVICE | | | SCAC4 |
| 5687 | DVBW | DEVEREUX | | | SCAC4 |
| 5688 | DVCA | DEVOST CONTRACTING & TRUCKING | | | SCAC4 |
| 5689 | DVCB | D & G EXCAVATING INC | | | SCAC4 |
| 5690 | DVCC | D & V TRUCKING INC | | | SCAC4 |
| 5691 | DVCD | DAVENPORT, C D INC | | | SCAC4 |
| 5692 | DVCG | DAVIS CARTAGE COMPANY | | | SCAC1 |
| 5693 | DVCH | DVC GRAPHICS | | | SCAC4 |
| 5694 | DVCN | DAVIS, C & L TRUCKING LLC | | | SCAC4 |
| 5695 | DVCO | DAVCO TRUCKING CORP | | | SCAC4 |
| 5696 | DVCQ | DALY MOVERS INC | | | SCAC4 |
| 5697 | DVCR | DAVIDSON CONSTRUCTION & READY MIX I | | | SCAC4 |
| 5698 | DVCS | DENVER LOGISTICS LLC | | | SCAC4 |
| 5699 | DVCT | DAVIS, CHARLES TRUCKING INC | | | SCAC4 |
| 5700 | DVCV | DAVIS CARTAGE COMPANY (DEDICATED DI | | | SCAC4 |
