OPCO
| 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) |