| Acronym | Definition |
|---|
| EISI➣Emerging Information Systems Inc. (Winnipeg, Manitoba, Canada) |
| EISI➣European Information Society Institute (Slovakia) |
| EISI➣Egyptian Information Society Initiative |
| EISI➣Eastern Industrial Supplies, Inc. (Greenville, SC) |
| EISI➣Emergency Information Services Interface |
| EISI➣Eagle Integrated Solutions Incorporated (various locations) |
| EISI➣Endeavor Information System, Inc |