| 1 | SDH | Servicio de Helicopteros, S.L. | Callsign: Arcos, | E | AVCODES |
| 2 | SDH | Servicio De Helicopteros | | | ICAO1 |
| 3 | SDHA | SUNDALE HUTTERIAN ASSOCIATION | | | SCAC4 |
| 4 | SDHD | STANDISH OIL CO INC | | | SCAC4 |
| 5 | SDHE | SANDHU, GURJEETPAL SINGH | | | SCAC4 |
| 6 | SDHF | SECOND CHANCE TRANSPORTATION LLC | | | SCAC4 |
| 7 | SDHG | SANDHU LOGISTICS | | | SCAC4 |
| 8 | SDHH | SANDHU TRANS INC | | | SCAC4 |
| 9 | SDHI | SUNDANCE HOLDINGS INC | | | SCAC4 |
| 10 | SDHJ | STOREWIDE DELIVERY CO INC | | | SCAC4 |
| 11 | SDHK | SANDHAR TRUCKING LTD | | | SCAC4 |
| 12 | SDHL | STAFFORD, H L MOTOR TRANSPORTATION | | | SCAC4 |
| 13 | SDHM | SIDHU HOMES INC | | | SCAC4 |
| 14 | SDHR | SUDDATH RELOCATION SERVICES INC | | | SCAC4 |
| 15 | SDHV | SPORT DIMENSIONS INC | | | SCAC4 |
| 16 | SDHW | SCHNEIDER, HOWARD | | | SCAC4 |
