| 1301 | DDMI | D AND D MOVING INC | | | SCAC4 |
| 1302 | DDMK | D D M LOGISTICS INC | | | SCAC4 |
| 1303 | DDMO | D & D MOBILE HOME REPAIRS & | | | SCAC4 |
| 1304 | DDMT | DELUXE DELIVERY SYSTEMS INC | | | SCAC4 |
| 1305 | DDMU | DDM GROUP | | RUS | BIC |
| 1306 | DDMV | D & D MOVING & STORAGE | | | SCAC4 |
| 1307 | DDNI | DIAMOND TRANSPORT INC | | | SCAC4 |
| 1308 | DDNK | DD & SONS TRUCKING LLC | | | SCAC4 |
| 1309 | DDNT | DESPACHOS DEL NORTE DIVISION TRANSP | | | SCAC4 |
| 1310 | DDNX | Didion, Inc. | added 7/1993; 1/1994; eliminated 1/2000; 7/2000 (not listed); added 7/2000 | | NAKINA |
| 1311 | DDNX | Didion, Inc. | added 7/93; 1/94; eliminated 1/2000; added 7/2000 | | NRHS |
| 1312 | DDNX | DIDION, INCORPORATED | | | PWRC |
| 1313 | DDNX | Didion | | | RSRV |
| 1314 | DDNY | DOUBLE DOWN TRANSPORT NY INC | | | SCAC4 |
| 1315 | DDOC | D & D LOGISTICS | | | SCAC4 |
| 1316 | DDOG | DEDICATED LOGISTICS LLC | | | SCAC4 |
| 1317 | DDOI | D & D OIL COMPANY INC | | | SCAC4 |
| 1318 | DDOL | D & D OILFIELD RENTALS CORP | | | SCAC4 |
| 1319 | DDOR | DIXON, DORI | | | SCAC4 |
| 1320 | DDOT | DELAWARE DEPARTMENT OF TRANSPORTATION | | | PWRC |
| 1321 | DDOT | Detroit Department of Transportation | City: Detroit | USA | TRAFFIC |
| 1322 | DDPA | D & D PROPANE INC | | | SCAC4 |
| 1323 | DDPC | DADS PRODUCTS COMPANY INC | | | SCAC4 |
| 1324 | DDPK | DWMS DRAPE KINGS | | | SCAC4 |
| 1325 | DDPL | DASCO DATA PRODUCTS LTD | | | SCAC4 |
| 1326 | DDPM | DISTRIBUIDORA DE PRODUCTOS MEXICANO | | | SCAC4 |
| 1327 | DDPO | POYNOR D D | | | SCAC3 |
| 1328 | DDPP | DEDICATED DELIVERY PROFESSIONALS IN | | | SCAC4 |
| 1329 | DDPR | DELUXE DATA PRINTERS | | | SCAC4 |
| 1330 | DDPS | D & D EXPRESS | | | SCAC4 |
| 1331 | DDPT | D & D TRANSPORT INC | | | SCAC4 |
| 1332 | DDPU | NIGEL PARKES SHIPPING LTD. | | | SCAC3 |
| 1333 | DDQS | D & D EQUIPMENT AND SUPPLY COMPANY | | | SCAC4 |
| 1334 | DDQT | D & D TRUCK PARTS | | | SCAC4 |
| 1335 | DDR | Eisenbahnunternehmen Großheim | | DE | VKM |
| 1336 | DDRA | DORADO DELGADO, ROGELIO | | | SCAC4 |
| 1337 | DDRI | DEDICATED RIDE INC | | | SCAC4 |
| 1338 | DDRL | DDRT LLC | | | SCAC4 |
| 1339 | DDRP | DOOR 2 DOOR TRANSPORT INC | | | SCAC4 |
| 1340 | DDRS | (RAIL) DEPRE PC RAILROAD SERVICES INC. | | | PWRC |
| 1341 | DDRS | DDR TRANSPORT INC | | | SCAC4 |
| 1342 | DDRX | SOUTHWEST RAIL INDUSTRIES INC. | | | PWRC |
| 1343 | DDRX | SOUTHWEST RAIL INDUSTRIES INC | | | SCAC4 |
| 1344 | DDS | Addis Airlines Plc | Callsign: Addis Line, | ETH | AVCODES |
| 1345 | DDSB | DD & S EXPRESS INC | | | SCAC4 |
| 1346 | DDSG | DIMITRI DESIGN LTD | | | SCAC4 |
| 1347 | DDSH | DESIGNER DISTRIBUTION SERVICES LLC | | | SCAC4 |
| 1348 | DDSI | DIAMOND DELIVERY SERVICE INC | | | SCAC4 |
| 1349 | DDSJ | DROP DECK SERVICES | | | SCAC4 |
| 1350 | DDSM | DIRKS DELIVERY SERVICE LLC | | | SCAC4 |
| 1351 | DDSP | DYNAMIC DISPLAYS LTD | | | SCAC4 |
| 1352 | DDSQ | DAY DELIVERY SERVICE | | | SCAC4 |
| 1353 | DDSR | DICKENS DELIVERY SERVICE INC | | | SCAC4 |
| 1354 | DDSS | DOUBLE DIAMOND SALES | | | SCAC4 |
| 1355 | DDSU | D.A.V.N. INVESTMENT LIMITED | | MH | BIC |
| 1356 | DDSV | DEADLINE DELIVERY SERVICE INC | | | SCAC4 |
| 1357 | DDSW | DEDICATED SYSTEMS INC | | | SCAC4 |
| 1358 | DDSY | DALTON DELIVERY SERVICE | | | SCAC4 |
| 1359 | DDTC | D & D TRUCKING INC | | | SCAC4 |
| 1360 | DDTG | D & D TRUCKING | | | SCAC4 |
| 1361 | DDTI | D & D TRUCKING | | | SCAC4 |
| 1362 | DDTK | DEDICATED TRUCKING LLC | | | SCAC4 |
| 1363 | DDTN | D D T INC | | | SCAC4 |
| 1364 | DDTP | D D T | | | SCAC4 |
| 1365 | DDTQ | DAULT, D TRUCKING | | | SCAC4 |
| 1366 | DDTT | DROP DECK TRANSPORT LLC | | | SCAC4 |
| 1367 | DDTW | DOUBLE D TRUCKLINES | | | SCAC4 |
| 1368 | DDTX | DETROIT DEPARTMENT OF TRANSPORTATION | | | PWRC |
| 1369 | DDTY | DDT DAILEY DALEY TRUCKING | | | SCAC4 |
| 1370 | DDUI | DOUBLE DIRECT INC | | | SCAC4 |
| 1371 | DDUK | DISENOS DUCK QUALITEES S A DE C V | | | SCAC4 |
| 1372 | DDUL | DDS & S TRUCKING LLC | | | SCAC4 |
| 1373 | DDUS | DODA USA | | | SCAC4 |
| 1374 | DDVC | DDA SERVICES | | | SCAC4 |
| 1375 | DDVE | DODGE, DAVE SERVICE | | | SCAC4 |
| 1376 | DDVL | DUST DEVIL TRUCKING | | | SCAC4 |
| 1377 | DDVO | D'S DELIVERY INCORPORATED (OREGON) | | | SCAC4 |
| 1378 | DDVR | DANS DELIVERY SERVICE | | | SCAC4 |
| 1379 | DDVS | DOLPHIN DELIVERIES | | | SCAC4 |
| 1380 | DDVT | DILER SHIPPING AND TRADING INC | | | SCAC4 |
| 1381 | DDVW | D'S DELIVERY INCORPORATED (WASHINGT | | | SCAC4 |
| 1382 | DDVY | DASH DELIVERY LLC | | | SCAC4 |
| 1383 | DDWA | DIRECT DISTRIBUTION WAREHOUSE SERVI | | | SCAC4 |
| 1384 | DDWC | DOUBLE DOWN TRANSPORT INC | | | SCAC4 |
| 1385 | DDWG | D D WIND TRUCKING INC | | | SCAC4 |
| 1386 | DDWK | DENMAN, DREW TRUCKING LLC | | | SCAC4 |
| 1387 | DDWL | DDW INVESTMENTS LLC | | | SCAC4 |
| 1388 | DDWN | DOMES, DOUGLAS W TRUCKING | | | SCAC4 |
| 1389 | DDXD | DEDICATED EXPRESS DELIVERY | | | SCAC4 |
| 1390 | DDXE | DOUBLE D EXPRESS INC | | | SCAC4 |
| 1391 | DDXG | DDE TRANSPORTATION GROUP INC | | | SCAC4 |
| 1392 | DDXI | DIRECT DRIVE EXPRESS INC | | | SCAC4 |
| 1393 | DDXO | D & D TRANSPORTATION | | | SCAC4 |
| 1394 | DDXQ | DDX INC | | | SCAC4 |
| 1395 | DDXS | D & D EXPRESS | | | SCAC4 |
| 1396 | DDXT | DEDICATED TRANSPORT | | | SCAC4 |
| 1397 | DDXV | DEDICATED DELIVERY & EXPRESS SERVIC | | | SCAC4 |
| 1398 | DDXY | D & D TRANSPORT | | | SCAC4 |
| 1399 | DDY | Servicios Aereos Dandy, S.A. de C.V. | Callsign: Dandy, | MEX | AVCODES |
| 1400 | DDYN | DEFRANCESCOS DAIRY TRANSPORT INC | | | SCAC4 |
