| PSCO | Pakistan Society of Clinical Oncology 
| Others |
| PSCO | Parent Survey for Community Outreach
| Others |
| PSCO | Pennsylvania State College of Optometry
| Others |
| PSCO | Personnel Survey Control Officer
| Others |
| PSCO | Philadelphia Seminar on Christian Origins
| Others |
| PSCO | Philadelphia Seminar on Christians Origins
| Others |
| PSCO | Port State Control Officer
| Others |
| PSCO | Presidential Commission on Sexual Orientation (NIU)
| Others |
| PSCO | Product Supply Chain Owner
| Others |
| PSCO | Professional Studies and Community Outreach
| Others |
| PSCO | Public Safety Communications Operator
| Others |
| PSCO | Public Service Company Of
| Others |
| PSCO | Puget Sound Concert Opera
| Others |