| 1 | SDK | SADELCA - Sociedad Aerea Del Caqueta | | | ICAO1 |
| 2 | SDKB | SCHMIDT, T A TRUCKING INC | | | SCAC4 |
| 3 | SDKD | SCHROEDER, D TRUCKING | | | SCAC4 |
| 4 | SDKD | SD - Kolejová doprava, a.s. | | CZ | VKM |
| 5 | SDKE | SANDERS TRUCKING SERVICE | | | SCAC4 |
| 6 | SDKJ | SEED TRUCKING | | | SCAC4 |
| 7 | SDKK | SUNLAND TRUCKING INC | | | SCAC4 |
| 8 | SDKM | SANDRIN SERVICES INC | | | SCAC4 |
| 9 | SDKN | STANLEY, D K TRUCKING INC | | | SCAC4 |
| 10 | SDKO | SANDAL TRUCKING INC | | | SCAC4 |
| 11 | SDKP | SUPER DECK TRANSPORT | | | SCAC4 |
| 12 | SDKQ | SPEEDMA | | | SCAC4 |
| 13 | SDKR | SNEDEKER TRANSPORTATION | | | SCAC4 |
| 14 | SDKS | SHEPARD & KEMNA LEASING LLC | | | SCAC4 |
| 15 | SDKV | SLADEK TRUCKING SERVICES LLC | | | SCAC4 |
| 16 | SDKW | S & D TRUCKING INC | | | SCAC4 |
