IEMS
| Acronym | Definition |
|---|---|
| IEMS | Integrated Environmental Management System (various organizations) |
| IEMS | Integrated Element Management System |
| IEMS | Internet Exchange Messaging Server |
| IEMS | Integrated Emergency Management System |
| IEMS | Industrial Engineering and Management Systems |
| IEMS | Internet Exchange Messaging Server (software) |
| IEMS | International Emergency Multimedia Service |
| IEMS | Installation Equipment Management System |
| IEMS | International Event Management Standard (Canadian Tourism Human Resource Council) |