| Acronym | Definition |
|---|
| PHCO➣Patch Hpux Commands and Libraries |
| PHCO➣Physician Hospital Community Organization (Spokane, WA; est. 1994) |
| PHCO➣Pacific Health Care Organization, Inc. (Medex Healthcare, Inc.) |
| PHCO➣Primary Health Care Organization |
| PHCO➣Partially Hydrogenated Canola Oil |