| Abbreviation | Definition |
|---|---|
| DERA | Douglas Elbert Realtor Association |
| DERC | Diesel Emissions Reduction Consortium |
| DERE | Disabled Electronic Resource Exchange |
| DES | Duke Engineering & Services, Inc. |
| DESC | Detroit Employment Solutions Corporation |
| DESCO | Dhaka Electric Supply Company Limited |
| DESI | Diversified Energy Services Inc |
| DESL | Discover e Solutions Ltd |
| DeSo | Development Solutions (Skopje, Macedonia) |
| DESOTO | Does Everybody See Our Terrible Option |
| DEVB | Dortland En Van Beem |
| DFA | Dimensional Fund Advisors |
| DFA | Dried Fruit Association |
| DFAF | Drug Free America Foundation, Inc. |
| DFAI | Dana Farms Aviation Inc |
| DFAI | Dimensional Fund Advisors Inc |
| DFAI | Dingras Faith Academy Inc |
| DFC | Digital Forensic Corp |
| DFC | Dollar Financial Corporation |
| DFCC | Dedicated Freight Corridor Corporation |