| Abbreviation | Definition |
|---|---|
| DFSI | Dynamic Functional Solutions Inc |
| DFSS | Design for Six Sigma |
| DFSU | Dong Fang Marine Services Corporation |
| DFSX | Delcam for SolidWorks XPRESS |
| DFSZ | Dong Fang Marine Services Corporation |
| DFTC | Digital Frontier Technology Corporation |
| DFTI | Data Fusion Technologies Inc |
| DFTI | Digital Flow Technologies Inc |
| DFTS | Don’t Feed The Swedes |
| DFTS | Dont Feed The Swedes |
| DFU | Default Firmware Update |
| DFWR | Dev Fund Western Reserve |
| DG | Data General |
| DG | Deutsch Genossenschaftbank |
| DGBM | Disc Golf Black Market |
| DGC | David Geffen Company |
| DGCC | Dubai Gulf Contracting Company |
| DGCL | Delaware General Corporation Law |
| DGDP | Darden Graphic Design Printing |
| DGI | Defense Group Inc |