| PMRO | Pacific Mountain Regional Office 
| Others |
| PMRO | Pakistan Medical Research Organization
| Others |
| PMRO | Pakistan Minorities Rights Organization
| Others |
| PMRO | Persistent Multi Role Operations
| Others |
| PMRO | Pilot Measurement Request Order
| Others |
| PMRO | Plant Maintenance and Reliability Optimization
| Others |
| PMRO | Program Management Resident Office
| Others |
| PMRO | Program Manager for Recruitment and Outreach
| Others |
| PMRO | Program Managers for Recruitment and Outreach
| Others |
| PMRO | Program Managers Representative Office
| Others |
| PMRO | Project Monitoring Reporting and Remediation Office
| Others |