| Abbreviation | Definition |
|---|---|
| DGSC | Derby Gilbert & Sullivan Company |
| DGSC | Derby Gilbert and Sullivan Company |
| DGSM | Daimler Group Services Madrid |
| DGT | Da Gurlz Translationz |
| DGVCL | Dakshin Gujarat Vij Company Ltd |
| DGX | Discount Gold Exchange |
| DGY | Downers Grove Yamaha |
| DH | De Havilland |
| DH | Defense Holdings, Inc. |
| DH | Department Head |
| DH | Duncan Hines |
| DHA | Delon Hampton & Associates, Incorporated |
| DHBI | Donald H Brancato Inc |
| DHC | District Heating And Cooling |
| DHCDC | Druid Heights Community Development Corporation (est. 1975; Baltimore, MD) |
| DHCR | Discovery Hills Costa Rica Real Estate |
| DHCR | Dominion HealthCare Realty |
| DHD | Davis Harrison Dion |
| DHDC | Detroit Hispanic Development Corporation |
| DHDC | Downtown Hays Development Corporation |