| 701 | DBOU | DE BOER CONTAINER TRADING B.V. | | NL | BIC |
| 702 | DBOU | DE BOER CONTAINER TRADING B V | | | SCAC4 |
| 703 | DBP | Deutsche Bundespost | | D | TRAFFIC |
| 704 | DBPC | DB PRODUCTIONS | | | SCAC4 |
| 705 | DBPN | DORNS BODY & PAINT SHOP INC | | | SCAC4 |
| 706 | DBPO | DBS TRANSPORT | | | SCAC4 |
| 707 | DBPP | DEBRA PETROLEUM PRODUCTS CORP | | | SCAC4 |
| 708 | DBQS | DIAMOND B SERVICES INC | | | SCAC4 |
| 709 | DBR | Dutchbird | IATA: 5D, Callsign: Dutchbird, | NL | AVCODES |
| 710 | DBR | LLC "Dobrolet" | IATA: QD, Callsign: Dobrolet, Ceased opeations on 04 August 2014. Founded in October 2013. Low cost subsidiary of Aeroflot. | RUS | AVCODES |
| 711 | DBR | Dutchbird | | | ICAO1 |
| 712 | DBRA | DOUBLE R TRANSPORT | | | SCAC4 |
| 713 | DBRB | DRO BROKERAGE | | | SCAC4 |
| 714 | DBRBM | DB Regio Bus Mitte | | D | TRAFFIC |
| 715 | DBRC | DUBEAU, RAY TRUCKING INC | | | SCAC4 |
| 716 | DBRD | DELATTRE, BRUNO | | | SCAC4 |
| 717 | DBRH | DBR INC | | | SCAC4 |
| 718 | DBRI | Dominion Bridge | | CDN | TRAFFIC |
| 719 | DBRL | DUFFY BOX & RECYCLING INC | | | SCAC4 |
| 720 | DBRM | DONKIN, BRYAN RMG CANADA LTD | | | SCAC4 |
| 721 | DBRN | DBR TRANSPORT | | | SCAC4 |
| 722 | DBRR | DOUBLE R TRANSPORT INC | | | SCAC4 |
| 723 | DBRS | DANNEBROG REDERI AS | | | SCAC4 |
| 724 | DBRT | DOUBLE R TRUCKING INC | | | SCAC4 |
| 725 | DBS | DB Schenker Rail | | EU | TRAFFIC |
| 726 | DBSA | DOUBLE S ENTERPRISES INC | | | SCAC4 |
| 727 | DBSB | DEANS BULK SERVICE INC | | | SCAC4 |
| 728 | DBSBG | DB Schenker Rail Bulgaria | | BG | VKM |
| 729 | DBSC | DB & SONS TRANSPORTATION INC | | | SCAC4 |
| 730 | DBSD | DOUBLE R DELIVERY INC | | | SCAC4 |
| 731 | DBSG | DB SHIPPING (USA) INC | | | SCAC4 |
| 732 | DBSH | DAEBO SHIPPING CO LTD | | | SCAC4 |
| 733 | DBSKR | SCHENKER ROMTRANS SA | | RO | VKM |
| 734 | DBSM | DOUBLE S TRUCKING OF COLUMBIA LLC | | | SCAC4 |
| 735 | DBSNI | DB Schenker Nieten GmbH | | DE | VKM |
| 736 | DBSPL | East West Railways Sp. Z.o.o. | | PL | VKM |
| 737 | DBSR | DB SCHENKER RAIL ROMANIA SRL | | RO | VKM |
| 738 | DBSRH | DB Schenker Rail Hungária Kft | | HU | VKM |
| 739 | DBSRP | DB Schenker Rail Polska S.A. | | PL | VKM |
| 740 | DBSRR | DB Schenker Rail Rybnik s.a. | | PL | VKM |
| 741 | DBSRS | DB Schenker Rail SPEDKOL sp. z o.o. | | PL | VKM |
| 742 | DBSS | DOUBLE BAR S & SONS | | | SCAC4 |
| 743 | DBSU | ASTUTE MINDS GENERAL TRADING FZE | | UAE | BIC |
| 744 | DBSU | DONBAR STEAMSHIP COMPANY, INC. | | | PWRC |
| 745 | DBSU | Donbar Steamship | | | RSRV |
| 746 | DBSU | DONBAR STEAMSHIP COMPANY INC | | | SCAC4 |
| 747 | DBSUK | DB Schenker Rail (UK) Ltd | | UK | VKM |
| 748 | DBSY | DAVIDSON, B & S ENTERPRISES INC | | | SCAC4 |
| 749 | DBT | Delta Bulk Terminal | City: Stockton, CA | USA | TRAFFIC |
| 750 | DBTC | DAILY BREAD TRANSPORTATION INC | | | SCAC4 |
| 751 | DBTF | D B TRUCKING | | | SCAC4 |
| 752 | DBTG | DOBBS TRUCKING INC | | | SCAC4 |
| 753 | DBTI | D & B TRUCKING LLC | | | SCAC4 |
| 754 | DBTK | D & B TRUCKING | | | SCAC4 |
| 755 | DBTR | DONGBANG TRANSPORT LOGISTICS CO LTD | | | SCAC4 |
| 756 | DBTS | DB THREE (DB3) LOGISTICS INC | | | SCAC4 |
| 757 | DBTT | D & B TRANSPORT OF NC LLC | | | SCAC4 |
| 758 | DBTU | D B TURKISH CARGO LINE | | | SCAC1 |
| 759 | DBTU | D B TURKISH CARGO LINE | | | SCAC4 |
| 760 | DBTV | DISTRIBUTION & TRANSPORTATION SERVI | | | SCAC4 |
| 761 | DBTY | DESTINY BOUND TRANSPORTATION LLC | | | SCAC4 |
| 762 | DBUD | DURRETT, BUDDY TRUCKING LLC | | | SCAC4 |
| 763 | DBUG | D B TRUCKING INC | | | SCAC4 |
| 764 | DBUI | DISTRIBUTIONS SOLUTIONS INTERNATION | | | SCAC4 |
| 765 | DBUK | D & B TRUCKING | | | SCAC4 |
| 766 | DBUL | DELTA BULK SHIPPING INC | | | SCAC4 |
| 767 | DBUS | Companía del Tranvía | City: San Sebastian | E | TRAFFIC |
| 768 | DBUX | The CIT Group/Capital Finance, Inc. | added 1/2001; 7/2005 | | NAKINA |
| 769 | DBUX | The CIT Group/Capital Finance, Inc. | added 1/2001 | | NRHS |
| 770 | DBUX | CIT GROUP/CAPITAL FINANCE, INC. | | | PWRC |
| 771 | DBUX | CIT Equipment Finance Corporation | | | RSRV |
| 772 | DBUX | CIT GROUP/CAPITAL FINANCE INC, THE | | | SCAC4 |
| 773 | DBV | Järnvägsföreningen Dellenbanans vänner | | SE | VKM |
| 774 | DBVU | DBV BAUMASCHINEN & BAUGERAETEVERTRIEBS GMBH | | D | BIC |
| 775 | DBVV | DOUBLE VV INC | | | SCAC4 |
| 776 | DBWH | DHILLONS BLUE & WHITE | | | SCAC4 |
| 777 | DBWX | D.B. Western, Inc.—Texas | added 4/2005; 7/2005 | | NAKINA |
| 778 | DBWX | D.B. WESTERN, INC. - TEXAS | | | PWRC |
| 779 | DBWX | DB Western | | | RSRV |
| 780 | DBWX | D B WESTERN INC TEXAS | | | SCAC4 |
| 781 | DBWZ | D.B. WESTERN, INC. | | | PWRC |
| 782 | DBX | Big White Bear Jet Co., Ltd. | Callsign: White Bear, | PRC | AVCODES |
| 783 | DBX | Douredoure Brothers | 7/1935-4/1938 | | NAKINA |
| 784 | DBX | Douredoure Brothers | Apr-38 | | NRHS |
| 785 | DBX | DOUREDOURE BROTHERS | | | PWRC |
| 786 | DBX | Dumbarton Express | | US-CA | TRAFFIC |
| 787 | DBXA | DISTRIB DE TEXTOS AMERICANOS S DE R | | | SCAC4 |
| 788 | DBXC | DOABA EXPRESS LLC | | | SCAC4 |
| 789 | DBXG | DB EXPRESS FREIGHT SERVICE LLC | | | SCAC4 |
| 790 | DBXI | DB XPRESS | | | SCAC4 |
| 791 | DBXN | DREAM BIG TRANSPORTATION LLC | | | SCAC4 |
| 792 | DBXO | DUNBAR TRANSPORT | | | SCAC4 |
| 793 | DBXU | DB CARGO AG | | D | BIC |
| 794 | DBXU | DB CARGO AG | | | SCAC4 |
| 795 | DBY | Britannia GmbH | IATA: BN, Callsign: Windsor, Designator BN* recalled by IATA. Ceased operations and a/c to return to BAL on 30 April 2001. | D | AVCODES |
| 796 | DBYA | DISTRIBUTION BY AIR | | | SCAC4 |
| 797 | DBYP | DIVERSE BY PRODUCT | | | SCAC4 |
| 798 | DBZ | DRISCOLL BROTHERS | | | PWRC |
| 799 | DBZN | DANTES BENZINA LLC | | | SCAC4 |
| 800 | DBZT | DOCKHAM BOYZ TRUCKIN LLC | | | SCAC4 |
