| Abbreviation | Definition |
|---|---|
| DRB | Darien Rowayton Bank |
| DRC | Data Recognition Corporation |
| DRC | Design Race Creations |
| DRC | Development Review Committee |
| DRC | Dynamics Resource Corporation |
| DRCC | Delaware River City Corporation |
| DRCS | Direct Response Consulting Services |
| DRDI | Dawson Regional Development Inc |
| DRDL | Devonport Royal Dockyard Ltd |
| DREB | Denver Real Estate Brokers |
| DREP | Dune Real Estate Partners |
| DRFO | Diamond Ranch Foods |
| DRI | Data Resources Inc |
| DRI | Development Resources Inc |
| DRI | Digital Research, Inc. |
| DRL | Diadem Resources Ltd |
| DRM | Doug Rippie Motorsports |
| DRMC | Diamond Residential Mortgage Corporation |
| DRMEC | Delaware River Maritime Enterprise Council |
| DRP | Direktion Reichs Post |