| Abbreviation | Definition |
|---|---|
| DECO | Design Engineering Construction Operations |
| DF | Douglas Fir |
| DFCS | Drawings, Failure by Contractor to Submit |
| DFI | Defining Formula for Inhabitation |
| DFL | Doug Fir Lumber |
| DFLC | Dan Fix Landscape Construction |
| DFMC | Division of Facilities Management and Construction |
| DFPC | Division of Facilities Planning and Construction |
| DFRCC | Ductile Fiber Reinforced Cementitious Composite |
| DFS | Decayed and Filled Surfaces |
| DFT | Dry Film Thickness |
| DGW | Double Glazed Window |
| DH | Duty Holder |
| DHIC | Doosan Heavy Industries Construction |
| DHIC | Doosan Heavy Industry and Construction |
| DHWS | Domestic Hot Water System |
| DI | Ductile Iron |
| DIBT | Deutsches Institut für BauTechnik |
| DICC | Demolition and Increased Cost of Construction |
| DIP | Ductile Iron Pipe |