| 1 | DS | Easyjet Switzerland S.A. | ICAO: EZS, Callsign: Topswiss, IATA Designator BH* recalled. Name changed from TEA Basel AG | CH | AVCODES |
| 2 | DS | DHL Aero Expreso, S.A. | ICAO: DAE, IATA designator changed to D5 | PA | AVCODES |
| 3 | DS | Air Senegal, Société Nationale de Transport Aerien | ICAO: DSB, Callsign: Sonatra-Air Senegal, | SN | AVCODES |
| 4 | DS | Compagnie Senegalaise de Transports Aériens | Callsign: Coseta, Name changed to Air Senegal, Societe Nationale de Transport Aerien | SN | AVCODES |
| 5 | DS | DAS Nordisk Ltd. | Non-Airline Unit Load Devices (ULD) company | HK | AVCODES |
| 6 | DS | Durham and Southern Ry. Co. | 1/1975-1/1980; eliminated 4/1982 | | NAKINA |
| 7 | DS | Durham and Southern Ry. Co. | 1/75-1/80; eliminated 4/82 | | NRHS |
| 8 | DS | DURHAM & SOUTHERN RAILWAY CO. | | | PWRC |
| 9 | DS | Durango and Silverton Railroad | Real: DSNG | USA | TRAFFIC |
| 10 | DS&A | Duluth, South Shore & Atlantic Ry. | 8/1920-7/1932 | | NAKINA |
| 11 | DS&A | Duluth, South Shore & Atlantic Ry. | 23-Jul | | NRHS |
| 12 | DS&A | DULUTH SOUTH SHORE & ATLANTIC RWY. | | | PWRC |
| 13 | DSA | Danbury Airways, Inc. | Callsign: Danbury Airways, | USA | AVCODES |
| 14 | DSA | Danbury Airways | | | ICAO1 |
| 15 | DSA | Soo Line R.R. | eliminated 11/1973; 1/1975 & 1/1994-7/2005 | | NAKINA |
| 16 | DSA | Duluth, South Shore and Atlantic R.R. Co. | 10/1966 | | NAKINA |
| 17 | DSA | Soo Line R.R. | 7/1965 | | NAKINA |
| 18 | DSA | Duluth, South Shore & Atlantic R.R. | 1/1943-1/1946; 1/1950-4/1961 | | NAKINA |
| 19 | DSA | Duluth, South Shore & Atlantic Ry. | 1/1941 & 4/1947 | | NAKINA |
| 20 | DSA | Duluth, South Shore & Atlantic R.R. | 1/52-4/61 | | NRHS |
| 21 | DSA | Soo Line R.R. | Jul-65 | | NRHS |
| 22 | DSA | Duluth, South Shore and Atlantic R.R. Co. | Oct-66 | | NRHS |
| 23 | DSA | Soo Line R.R. | eliminated 11/73; 1/75 & 1/94-7/2000 | | NRHS |
| 24 | DSA | CANADIAN PACIFIC RWY [SOO LINE RAILROAD] [DULUTH SOUTH SHORE & ATLANTIC RWY.] | | | PWRC |
| 25 | DSA | Duluth, South Shore & Atlantic Railway (Canadian Pacific Railway) | | | RSRV |
| 26 | DSA | Duluth, South Shore and Atlantic R.R. Co. | | USA | TRAFFIC |
| 27 | DSAA | DSN LOGISTICS INC | | | SCAC4 |
| 28 | DSAC | D & S RESOURCES LTD | | | SCAC4 |
| 29 | DSAE | DEDICATED TRANSPORTATION SOLUTIONS | | | SCAC4 |
| 30 | DSAF | DIAMOND S TRUCKING | | | SCAC4 |
| 31 | DSAI | DAVIDSON SURFACE/AIR INC | | | SCAC4 |
| 32 | DSAL | DISALVO TRUCKING CO | | | PWRC |
| 33 | DSAL | Di SALVO TRUCKING CO | | | SCAC1 |
| 34 | DSAM | DS EXPRESS CARRIERS INC | | | SCAC4 |
| 35 | DSAN | DJ TRANSPORT LLC | | | SCAC4 |
| 36 | DSAP | D & S TRANSPORTATION LLC | | | SCAC4 |
| 37 | DSAS | DAVIS SHIP AGENCIES INC | | | SCAC4 |
| 38 | DSAT | DIRECT TRANSPORT SOLUTIONS LLC | | | SCAC4 |
| 39 | DSAU | POLLUX & CASTOR SHIPPING LIMITED | | | SCAC4 |
| 40 | DSAV | DEARBORN SAUSAGE COMPANY | | | SCAC4 |
| 41 | DSAY | DESERT STAR TRANSPORTATION INC | | | SCAC4 |
| 42 | DSB | Air Senegal, Société Nationale de Transport Aerien | IATA: DS, Callsign: Sonatra-Air Senegal, | SN | AVCODES |
| 43 | DSB | | | DK | TRAFFIC |
| 44 | DSB | Danske Statsbaner | | DK | VKM |
| 45 | DSBB | DOUBLE SEVEN TRUCKING LLC | | | SCAC4 |
| 46 | DSBC | DISTRIBUTION CARRIER, INC | | | SCAC1 |
| 47 | DSBF | DUZGIT SHIPHOLDING LIMITED | | | SCAC4 |
| 48 | DSBJ | DONELLA, SHARON AND JAMES BARNARD | | | SCAC4 |
| 49 | DSBK | D AND S TRUCK BROKERS | | | SCAC4 |
| 50 | DSBO | DISTRIBUTORS LTD | | | SCAC4 |
| 51 | DSBQ | DALLAIRE ST-BRUNO | | | SCAC4 |
| 52 | DSBS | DSB S-tog a/s | | DK | VKM |
| 53 | DSBT | D & S LOBSTER BAIT | | | SCAC4 |
| 54 | DSBU | AMERIBROM, INC. | | | PWRC |
| 55 | DSBU | Ameribrom | | | RSRV |
| 56 | DSBU | EUROBROM B.V. | | | SCAC3 |
| 57 | DSBV | DELIVERY SERVICES (B A K EXPRESS DE | | | SCAC4 |
| 58 | DSC | Addis Air Cargo Services P.L.C. | Callsign: Addis Cargo, | ETH | AVCODES |
| 59 | DSC | Addis Air Cargo Services | | | ICAO1 |
| 60 | DSC | DRAKE SWITCHING COMPANY, LLC | | | SCAC4 |
| 61 | DSC | DS Cargo, s.r.o. | | SK | VKM |
| 62 | DSCB | DOCK SIDE CRADLE | | | SCAC4 |
| 63 | DSCD | DISCOVERY CARRIER LTD | | | SCAC4 |
| 64 | DSCE | DSC INTEGRATED LOGISTICS INC | | | SCAC4 |
| 65 | DSCF | DEROSIER STORAGE COMPANY, THE | | | SCAC4 |
| 66 | DSCG | DEAN SAUSAGE COMPANY INC | | | SCAC4 |
| 67 | DSCHT | Duchcovská svařovna,a.s. | | CZ | VKM |
| 68 | DSCI | DASCO INC | | | SCAC4 |
| 69 | DSCJ | DELTA SALES ASSOCIATES INC | | | SCAC4 |
| 70 | DSCK | DISCOUNT TRUCKING INC | | | SCAC4 |
| 71 | DSCP | DELGADOS IMPORTS | | | SCAC4 |
| 72 | DSCR | DSC TRUCKING CORP | | | SCAC4 |
| 73 | DSCR | Discordia Plc | | BG | VKM |
| 74 | DSCS | DANS CONSTRUCTION CO | | | SCAC4 |
| 75 | DSCT | DESERT COASTAL TRANSPORT, INC | | | SCAC1 |
| 76 | DSCT | DESERT COASTAL TRANSPORT INC | | | SCAC4 |
| 77 | DSCU | COAST CONTAINERS LTD | | CDN | BIC |
| 78 | DSCU | DIAMOND SHIPPING CO LTD | | | SCAC4 |
| 79 | DSCV | DISCOVERY | | | SCAC4 |
| 80 | DSCW | DAMINA SHIPPING CORPORATION | | | SCAC4 |
| 81 | DSCX | Disco Co. | 4/1947-1/1950 | | NAKINA |
| 82 | DSCX | DIFCO, Inc. | 1/1994-7/2005 (not listed) | | NAKINA |
| 83 | DSCX | DIFCO, Inc. | 1/94-7/2000 | | NRHS |
| 84 | DSCX | DIFFCO INC. | | | PWRC |
| 85 | DSCX | DIFCO | | | RSRV |
| 86 | DSCX | DIFCO INC. | | | SCAC4 |
| 87 | DSDC | DESANTIS DESPATCH CORP | | | SCAC4 |
| 88 | DSDE | DATA RUSH COURIERS | | | SCAC4 |
| 89 | DSDF | DLS INC | | | SCAC4 |
| 90 | DSDG | DESIGNET SA DE CV | | | SCAC4 |
| 91 | DSDH | DEACERO SA DE CV | | | SCAC4 |
| 92 | DSDI | DOS AMIGOS DISTRIBUTORS INC | | | SCAC4 |
| 93 | DSDK | DESERT SANDS TRUCKING INC | | | SCAC4 |
| 94 | DSDL | DOUBLE S DELIVERY | | | SCAC4 |
| 95 | DSDN | D & S DISTRIBUTION INC | | | SCAC4 |
| 96 | DSDP | DSD SHIPPING A/S | | | SCAC4 |
| 97 | DSDQ | D'S DELIVERY INC | | | SCAC4 |
| 98 | DSDR | DODDS TRANSPORTATION | | | SCAC4 |
| 99 | DSDT | DESDINOVA TRANSPORTATION INC | | | SCAC4 |
| 100 | DSDU | DSB DANISH STATE RAILWAYS | | | SCAC4 |
