| Acronym | Definition |
|---|
| OPCO➣Operating Company |
| OPCO➣Operational Command (Netherlands) |
| OPCO➣Ohio Power Company |
| OPCO➣Over Pressure Cut Off (valve) |
| OPCO➣Ocean Park Community Organization (Santa Monica, CA) |
| OPCO➣Onondaga Pottery Company (Syracuse, NY) |
| OPCO➣Organ Pump Committee of Oberlin (Oberlin College; Ohio) |