| Acronym | Definition |
|---|
| GMSI➣Global Management Systems, Inc. |
| GMSI➣Graphic Mining Solutions International (South Africa) |
| GMSI➣Gemini Microsystems International (Athens, GA) |
| GMSI➣Geographic Marketing Solutions, Inc. |
| GMSI➣Green Mountain Suzuki Institute (New Haven, VT) |
| GMSI➣Grand Master of the Order of the Star of India |