| Abbreviation | Definition |
|---|---|
| DMS | Denman Mechanical Solutions |
| DMS | Diversified Management Services |
| DMS | Dude Man Sound |
| DMSA | Defense Manufacturers and Suppliers Association |
| DMSCI | Divine Mercy Supportive Care Inc |
| DMSI | Design Maintenance Systems Inc |
| DMSI | Distribution and Marking Services Inc |
| DMSI | Diversified Metal Services Inc |
| DMSL | Danum Medical Services Ltd |
| DMSL | Dewas Metal Sections Ltd |
| DMT | Damaged Masonry Technicians, Inc. |
| DMT | Database Management Technology |
| DMT | Detection Monitoring Technologies |
| DMVW | Derry, Michener, Booth, and Wahl |
| DNA | Deutsche Nickel America, Inc. |
| DNA | Deutsche Nickel America, Incorporated |
| DNAI | Deutsche Nickel America, Inc. |
| DNAI | Direct Network Access, Inc. |
| DNATA | Dubai National Air Travel Agency |
| DNC | Data Networks Corporation |