| 1 | DTA | TAAG Angola Airlines | IATA: DT | | ICAO1 |
| 2 | DTA | Dartford Tunnel Authority | | GB | TRAFFIC |
| 3 | DTAA | D C T TRANSPORT INC | | | SCAC4 |
| 4 | DTAB | DOBSON TRUCKING | | | SCAC4 |
| 5 | DTAI | DIANAS IMPORTS INC | | | SCAC4 |
| 6 | DTAO | DAVIS INDUSTRIES INC | | | SCAC4 |
| 7 | DTAQ | DRACO TRUCKING | | | SCAC4 |
| 8 | DTAR | DOUCETTES BOATBUILDING LTD | | | SCAC4 |
| 9 | DTAS | DATA SALES CO INC | | | SCAC4 |
| 10 | DTAT | DELTA TRANSPORTATION | | | SCAC4 |
| 11 | DTAU | HUBEI DONG RUNZE SPECIAL VEHICLE EQUIPMENT CO., LTD. | | PRC | BIC |
| 12 | DTAZ | DOMINION TERMINAL ASSOCIATION | | | PWRC |
