| 4701 | DSAT | DIRECT TRANSPORT SOLUTIONS LLC | | | SCAC4 |
| 4702 | DSAU | POLLUX & CASTOR SHIPPING LIMITED | | | SCAC4 |
| 4703 | DSAV | DEARBORN SAUSAGE COMPANY | | | SCAC4 |
| 4704 | DSAY | DESERT STAR TRANSPORTATION INC | | | SCAC4 |
| 4705 | DSB | Air Senegal, Société Nationale de Transport Aerien | IATA: DS, Callsign: Sonatra-Air Senegal, | SN | AVCODES |
| 4706 | DSB | | | DK | TRAFFIC |
| 4707 | DSB | Danske Statsbaner | | DK | VKM |
| 4708 | DSBB | DOUBLE SEVEN TRUCKING LLC | | | SCAC4 |
| 4709 | DSBC | DISTRIBUTION CARRIER, INC | | | SCAC1 |
| 4710 | DSBF | DUZGIT SHIPHOLDING LIMITED | | | SCAC4 |
| 4711 | DSBJ | DONELLA, SHARON AND JAMES BARNARD | | | SCAC4 |
| 4712 | DSBK | D AND S TRUCK BROKERS | | | SCAC4 |
| 4713 | DSBO | DISTRIBUTORS LTD | | | SCAC4 |
| 4714 | DSBQ | DALLAIRE ST-BRUNO | | | SCAC4 |
| 4715 | DSBS | DSB S-tog a/s | | DK | VKM |
| 4716 | DSBT | D & S LOBSTER BAIT | | | SCAC4 |
| 4717 | DSBU | AMERIBROM, INC. | | | PWRC |
| 4718 | DSBU | Ameribrom | | | RSRV |
| 4719 | DSBU | EUROBROM B.V. | | | SCAC3 |
| 4720 | DSBV | DELIVERY SERVICES (B A K EXPRESS DE | | | SCAC4 |
| 4721 | DSC | Addis Air Cargo Services P.L.C. | Callsign: Addis Cargo, | ETH | AVCODES |
| 4722 | DSC | Addis Air Cargo Services | | | ICAO1 |
| 4723 | DSC | DRAKE SWITCHING COMPANY, LLC | | | SCAC4 |
| 4724 | DSC | DS Cargo, s.r.o. | | SK | VKM |
| 4725 | DSCB | DOCK SIDE CRADLE | | | SCAC4 |
| 4726 | DSCD | DISCOVERY CARRIER LTD | | | SCAC4 |
| 4727 | DSCE | DSC INTEGRATED LOGISTICS INC | | | SCAC4 |
| 4728 | DSCF | DEROSIER STORAGE COMPANY, THE | | | SCAC4 |
| 4729 | DSCG | DEAN SAUSAGE COMPANY INC | | | SCAC4 |
| 4730 | DSCHT | Duchcovská svařovna,a.s. | | CZ | VKM |
| 4731 | DSCI | DASCO INC | | | SCAC4 |
| 4732 | DSCJ | DELTA SALES ASSOCIATES INC | | | SCAC4 |
| 4733 | DSCK | DISCOUNT TRUCKING INC | | | SCAC4 |
| 4734 | DSCP | DELGADOS IMPORTS | | | SCAC4 |
| 4735 | DSCR | DSC TRUCKING CORP | | | SCAC4 |
| 4736 | DSCR | Discordia Plc | | BG | VKM |
| 4737 | DSCS | DANS CONSTRUCTION CO | | | SCAC4 |
| 4738 | DSCT | DESERT COASTAL TRANSPORT, INC | | | SCAC1 |
| 4739 | DSCT | DESERT COASTAL TRANSPORT INC | | | SCAC4 |
| 4740 | DSCU | COAST CONTAINERS LTD | | CDN | BIC |
| 4741 | DSCU | DIAMOND SHIPPING CO LTD | | | SCAC4 |
| 4742 | DSCV | DISCOVERY | | | SCAC4 |
| 4743 | DSCW | DAMINA SHIPPING CORPORATION | | | SCAC4 |
| 4744 | DSCX | Disco Co. | 4/1947-1/1950 | | NAKINA |
| 4745 | DSCX | DIFCO, Inc. | 1/1994-7/2005 (not listed) | | NAKINA |
| 4746 | DSCX | DIFCO, Inc. | 1/94-7/2000 | | NRHS |
| 4747 | DSCX | DIFFCO INC. | | | PWRC |
| 4748 | DSCX | DIFCO | | | RSRV |
| 4749 | DSCX | DIFCO INC. | | | SCAC4 |
| 4750 | DSDC | DESANTIS DESPATCH CORP | | | SCAC4 |
| 4751 | DSDE | DATA RUSH COURIERS | | | SCAC4 |
| 4752 | DSDF | DLS INC | | | SCAC4 |
| 4753 | DSDG | DESIGNET SA DE CV | | | SCAC4 |
| 4754 | DSDH | DEACERO SA DE CV | | | SCAC4 |
| 4755 | DSDI | DOS AMIGOS DISTRIBUTORS INC | | | SCAC4 |
| 4756 | DSDK | DESERT SANDS TRUCKING INC | | | SCAC4 |
| 4757 | DSDL | DOUBLE S DELIVERY | | | SCAC4 |
| 4758 | DSDN | D & S DISTRIBUTION INC | | | SCAC4 |
| 4759 | DSDP | DSD SHIPPING A/S | | | SCAC4 |
| 4760 | DSDQ | D'S DELIVERY INC | | | SCAC4 |
| 4761 | DSDR | DODDS TRANSPORTATION | | | SCAC4 |
| 4762 | DSDT | DESDINOVA TRANSPORTATION INC | | | SCAC4 |
| 4763 | DSDU | DSB DANISH STATE RAILWAYS | | | SCAC4 |
| 4764 | DSDV | D & S DELIVERY SERVICE INC | | | SCAC4 |
| 4765 | DSDW | D S D 2000 | | | SCAC4 |
| 4766 | DSDX | General Electric Railcar Services Corp. | added 10/1992; 1/1994 | | NAKINA |
| 4767 | DSDX | Itel Rail Corp. | added 1/1990; eliminated 10/1992 | | NAKINA |
| 4768 | DSDX | Pullman Leasing Co. | added 4/1981; eliminated 1/1990 | | NAKINA |
| 4769 | DSDX | Pullman Leasing Co., a Subsidiary of Pullman Inc. | added 1/1976; 1/1980; eliminated 4/1981 | | NAKINA |
| 4770 | DSDX | Pullman Transport Leasing Co., a Subsidiary of Pullman Inc. | added 10/1970; 1/1975; eliminated 1/1976 | | NAKINA |
| 4771 | DSDX | Transport Leasing, a Division of Pullman Inc. | added 1/1967; 4/1970; eliminated 10/1970 | | NAKINA |
| 4772 | DSDX | Dairy Shippers Despatch Co. | 1/1941-10/1966; eliminated 1/1967 | | NAKINA |
| 4773 | DSDX | Dairy Shippers Despatch | 7/1930-4/1938 | | NAKINA |
| 4774 | DSDX | Dairy Shippers Despatch Co. | 4/38-10/66; eliminated 1/67 | | NRHS |
| 4775 | DSDX | Transport Leasing, a Division of Pullman Inc. | added 1/67; 4/70; eliminated 10/70 | | NRHS |
| 4776 | DSDX | Pullman Transport Leasing Co., a Subsidiary of Pullman Inc. | added 10/70; 1/75-1/80; eliminated 4/81 | | NRHS |
| 4777 | DSDX | Pullman Leasing Co. | added 4/81; eliminated 1/90 | | NRHS |
| 4778 | DSDX | Itel Rail Corp. | added 1/90; eliminated 10/92 | | NRHS |
| 4779 | DSDX | General Electric Railcar Services Corp. | added 10/92; 1/94 | | NRHS |
| 4780 | DSDX | (NATX) G. E. RAILCAR SERVICES CORP. [ITEL RAOL CORP.; PULLMAN LEASING CO.; DAIRY SHIPPERS DESPATCH CO.] | | | PWRC |
| 4781 | DSDX | Pullman Leasing (GE Railcar Services) | | | RSRV |
| 4782 | DSDY | DRY SIDE DRAYAGE | | | SCAC4 |
| 4783 | DSEB | DIAMOND S EXPRESS INC | | | SCAC4 |
| 4784 | DSEE | D S EXPRESS | | | SCAC4 |
| 4785 | DSEF | DIAZ SUDAY, EFRAIN | | | SCAC4 |
| 4786 | DSEL | DIESEL CAST WEST INC | | | SCAC4 |
| 4787 | DSEM | DESERT EMPIRE TRANSFER & STORAGE, INC | | | SCAC1 |
| 4788 | DSEM | DESERT EMPIRE TRANSFER & STORAGE IN | | | SCAC4 |
| 4789 | DSEP | DAVIS FUELS OF EPSOM INC | | | SCAC4 |
| 4790 | DSES | D S & D | | | SCAC4 |
| 4791 | DSEV | DSE SERVICES INC | | | SCAC4 |
| 4792 | DSEX | East Carbon Development Co. | added 10/2006 | | NAKINA |
| 4793 | DSEX | EAST CARBON DEVELOPMENT CO. | | | PWRC |
| 4794 | DSEX | East Carbon Development | | | RSRV |
| 4795 | DSEX | EAST CARBON DEVELOPMENT COMPANY | | | SCAC4 |
| 4796 | DSEX | East Carbon Development Co. | | USA | TRAFFIC |
| 4797 | DSF | David See Flying Services | Callsign: Disco, | GB | AVCODES |
| 4798 | DSF | Dassault Falcon Service France | Callsign: Dassault France, | F | AVCODES |
| 4799 | DSF | Verein DSF | | CH | VKM |
| 4800 | DSFA | D S FARMS | | | SCAC4 |
