OEMC
| Acronym | Definition |
|---|---|
| OEMC | Office of Emergency Management and Communications (Chicago, IL) |
| OEMC | Office of Energy Management and Conservation (Colorado Governor's Office) |
| OEMC | Ontario East Municipal Conference (Canada) |
| OEMC | Old English Mastiff Club (England, UK) |
| OEMC | Online European Mahjong Championship (est. 2007) |
| OEMC | OPSIS Enviman Cloud (Sweden) |
| OEMC | Original Equipment Manufacturer CAGE |