| Acronym | Definition |
|---|
| DRSI | Diabetica Research Solutions, Inc. (Boca Raton, FL) |
| DRSI | Delta Rural Systemic Initiative (science and mathematics education) |
| DRSI | Département Réseaux et Serveurs d'Information (French: Department of Information Networking and Servers; Algeria) |
| DRSI | Destination Station Routing Indicator |
| DRSI | Digital Reasoning Systems, Inc. (Brentwood, TN) |
| DRSI | Développement et Réseau des Systèmes Informatiques (French: Network Development and Information Systems) |
| DRSI | Danella Rental Systems, Inc. (Plymouth Meeting, PA) |
| DRSI | Designed Receivable Solutions, Inc. |