PSO

PSO may refer to:Pakistan State OilParticle Swarm Optimization - a swarm intelligence optimization techniquePaysite operator - the owner/operator of a paysitePeace Support Operations - an international collection of armed forces intended to observe peace, generally under UN auspicesPenalty shootout - a method of determining a winner in sports matches which would have otherwise been drawn or tiedPeterborough Symphony Orchestra - in Peterborough, Ontario, CanadaPhantasy Star Online - a video gamePhase-shift oscillator - an electronic circuit that generates sine wavesPhone sex operator - a person who provides phone sex servicePhonic Sonic Oradea - electronic music community of OradeaPiano Shaped Object - a third-rate or worn-out piano; a piano brand scorned by technicians and tunersPittsburgh Symphony OrchestraProtocol Support Organization - one of the three initial components of ICANN, later disbandedPublic Service Obligation - a form of state subsidy for transport links which are not commercially viableProfessional Services Organization
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Oracle Parallel Server

A group of doctors, hospitals, and other health care providers that agree to give health care to Medicare beneficiaries for a set amount of money from Medicare every month. This type of managed care plan is run by the doctors and providers themselves, and not by an insurance company. (See  Managed Care Plan.)

Airport Name: Antonio Nariño Airport
Airport Location: Pasto, Colombia
IATA Code: PSO
ICAO Code: KPSN