| Rank | Abbreviation | Meaning |
|---|
| ***** | GDIS | General Directorate of Information Security
| |
| ***** | GDIS | Grid Data Integration System
| |
| ***** | GDIS | Green Dot Internet Services PTE Ltd.
| |
| ***** | GDIS | General Dynamics Information Systems
| |
| ***** | GDIS | Guam Data Interface System
| |
| **** | GDIS | Graduate Diploma in Islamic Studies
| |
| *** | GDIS | Guanine nucleotide dissociation inhibitors
| |
| *** | GDIS | Geophysical Data and Information Statement
| |
| *** | GDIS | GDP-dissociation inhibitors
| |
| *** | GDIS | Global Distribution Images System
| |
| *** | GDIS | Geodetic Data Information System
| |
| *** | GDIS | Glasford Disturbance Impact Structure
| |
| ** | GDIS | Geographic Design and Implementation System
| |
| ** | GDIS | Georgia Dental Insurance Services
| |
| ** | GDIS | Great Designs in Steel
| |
| * | GDIS | GLOBAL DATATEL, INC.
| |