Business Partner relationship management, in IT Person with reduced mobility, in transport Professional Risk Manager, a certification Computer science Probabilistic relational model Probabilistic roadmap in robotics Government and politics Bureau of Population, Refugees, and Migration, of US State Department Partido de la Revolución Mexicana (Party of the Mexican Revolution), later Institutional Revolutionary Party (Partido Revolucionario Institucional, PRI) Partido Revolucionario Moderno (Modern Revolutionary Party), Dominican Republic Partidul România Mare or Greater Romania Party, ultra-nationalist party Parti de Regroupement Mauritanien or Mauritanian Regroupment Party, a former party Parti Rakyat Malaysia, party in Malaysia Partido Republicano Mineiro or Mineiro Republican Party, Brazilian party 1888-1937 Partido Revolucionário de Moçambique or Revolutionary Party of Mozambique, Mozambican rebel group 1974/76–1982 People's Revolutionary Militia, former Grenada militia An alternative name for Al-Shabaab (militant group) Presidential Review Memorandum, US national security directives during Carter presidency Technology Parallel reaction monitoring in mass spectrometry Precision runway monitor, Raytheon radar system