| 1 | SDD | R I C Inc., d/b/a Skymaster Air Taxi | Callsign: Sky Dance, | USA | AVCODES |
| 2 | SDD | Skymaster Air Taxi | | | ICAO1 |
| 3 | SDDC | S D & L | | | SCAC4 |
| 4 | SDDE | SCHNEIDER NATIONAL CARRIERS INC (DE | | | SCAC4 |
| 5 | SDDG | SMITH & DOTZEL BROKERAGE INC | | | SCAC4 |
| 6 | SDDI | SPECIAL DISPATCH OF INDIANA INC | | | SCAC4 |
| 7 | SDDJ | SERVICIOS DE AUTOTRANSPORTES ELI S | | | SCAC4 |
| 8 | SDDK | STUDDARD TRUCKING | | | SCAC4 |
| 9 | SDDM | STUDDARD MOVING & STORAGE INC | | | SCAC4 |
| 10 | SDDN | STUDDARD RELOCATION SERVICES LLC | | | SCAC4 |
| 11 | SDDO | STANDARD OIL OF CONNECTICUT | | | SCAC4 |
| 12 | SDDP | SUDDATH RELOCATION SYSTEMS OF PENSA | | | SCAC4 |
| 13 | SDDQ | STRADDECK, MIKE & ASSOCIATES | | | SCAC4 |
| 14 | SDDR | STAFFORD DISTRIBUTING | | | SCAC4 |
| 15 | SDDS | SPECIAL DISTRIBUTION SERVICES DFW | | | SCAC4 |
| 16 | SDDT | SUDDATH CONTAINER SERVICES INC | | | SCAC4 |
| 17 | SDDU | SEACUBE CONTAINERS LLC | | USA | BIC |
| 18 | SDDV | S D R EXPRESS INC | | | SCAC4 |
| 19 | SDDW | SHOLDT DESIGN | | | SCAC4 |
| 20 | SDDY | STANDARD TRANSPORT LTD | | | SCAC4 |
| 21 | SDDZ | SANDUSKY DOCK | | | PWRC |
