Office of Personnel Management 
Other People's Money 
Operations-Per-Minute 
Optical Properties Monitor 
Outside Plant Module 
Office of Personnel Management's 
OREILLY PROTEC MP 
Operations Message 
Office of Policy and Management 
Office of Program Management 
Office of the Program Manager 
Official Parallel Market 
Operations Per Minute 
OPERATOR PROGRAMMING METHOD 
Optimized Power Management 
output protection management 
Object Protocol Model 
Object-Protocol Model 
Observatoire de Paris-Meudon 
occult primary malignancy 
Office of Performance Measurement 
Office of Personal Managment 
Office of Personnel and Management 
Office of Procurement and Materiel 
Office of Public Management 
Office of the PM 
Office of the Prime Minister 
Office of the Product Manager 
Office Procedures Manual 
Officer Personnel Management