DMSI
| Acronym | Definition |
|---|---|
| DMSI | Document Management Solutions, Inc. |
| DMSI | Désenfumage Maintenance Sécurité Incendie (French fire prevention equipment company) |
| DMSI | Design Maintenance Systems, Inc. (Canada) |
| DMSI | Defense Modeling and Simulation Initiative |
| DMSI | Demethoxysecoisolariciresinol |
| DMSI | Discount Mortgage Source, Inc. (Rockwall, TX) |
| DMSI | Direct Marketing Services, Inc (Chicago, IL) |