| 1 | DCH | DC Aviation Switzerland AG | Callsign: Alpine Star, Merged with BHS Helicopterservice to form BHS Aviation Group. ICAO designator changed from HLK. ICAO callsign changed from Heli-Link. Name changed from Heli-link Helikopter AG. | CH | AVCODES |
| 2 | DCHA | DC LOGISTICS | | | SCAC4 |
| 3 | DCHE | DANIELS CHARTERS | | | SCAC4 |
| 4 | DCHF | DESIGNING CHRISTMAS | | | SCAC4 |
| 5 | DCHG | DUTCHMAN TRUCKING | | | SCAC4 |
| 6 | DCHI | DUBOIS CHEMICALS INC | | | SCAC4 |
| 7 | DCHK | DITECH TRANSPORTATION INC | | | SCAC4 |
| 8 | DCHN | DUTCHESS TERMINALS INC | | | SCAC4 |
| 9 | DCHQ | DAIRY CHEQ INC | | | SCAC4 |
| 10 | DCHR | DERCO HORTICULTURE INC | | | SCAC4 |
| 11 | DCHS | DAIICHI CHUO SHIPPING (AMERICA) INC | | | SCAC4 |
| 12 | DCHT | DCT CHAMBERS TRUCKING LTD | | | SCAC4 |
| 13 | DCHU | DMITRIEVSKY CHEMICAL PLANT - PRODUCTION | | RUS | BIC |
