What does Psa stand for?

Psalms - Old Testament book

Psychoanalysis (DIPS)

Miaro Awyu - Language code (ETLW)

Pacific Island Aviation, Inc. - Mariana Islands - ICAO designator (FAAC)

Pacific Science Association - Hawaii (BUAC)

Pacific Sciences Association (SAUS)

Pacific Seedsmens Association (BUAC)

Pacific South American (SAUS)

Pacific Southwest Airlines

Paciulli, Simmons & Associates Ltd. - Land surveyors (GIS)

Packers and Stockyards Administration (SAUS)

Pakistan Sociological Association (BUAC)

Panda Standard Asynchron (SAUS)

Parallel Signature Analyzer (TIMI)

Paralympic Sports Association - Canada (EAIO)

Parametric Semiconductor Amplifier

Parametric Sound Amplifier - Blaupunkt

Parcel Shippers Association (EA)

Partial Starting Address (SAUS)

Particle Size Analyzer

Particularly Sensitive Sea Area (SAUS)

Partido Socialista Aponte - Bolivia - Political party (PPW)

Partido Socialista Argentino - Socialist Party of Argentina - Political party

Parti Socialiste Autonome - Autonomous Socialist Party - France - Political party (PPE)

Parti Solidaire Africain - African Solidarity Party - Congo - Political party

Partito Socialista Autonomo - Autonomous Socialist Party - Switzerland - Political party (PPW)

Part Stress Analysis (MCD)

Passenger Service Agent - Travel industry (TVEL)

Passenger Shipping Association - British (DBA)

Passive Situation Awareness (ACAE)

Pastel Society of America (EA)

Past Shakedown Availability - Military

Path of Steepest Ascent - Statistical design of experiments

Path Selection Algorithm - Telecommunications (TEL)

Patient Care Associate - Medicine

Payload Service Area - NASA (NASA)

Payload Support Avionics - NASA (NASA)

Peace and Solidarity Alliance (EA)

Peace Studies Association (EA)

People's Supreme Assembly - Yemen - Political party (PPW)

Peripherals Suppliers Association (ELAL)

Permanent Storage Area (SAUS)

Personal Service Agreements (MCD)

Personal Statement Analyzer (HGAA)

Personnel and Service Area - Nuclear energy (NRCH)

Personnel Support Activity (DOMA)

Personnel Support Agency

Petersburg - Alaska - Seismograph station code, US Geological Survey (SEIS)

Petites Soeurs de l'Assumption - Little Sisters of the Assumption - LSA - Paris, France (EAIO)

Peugeot Societe Anonyme - Automobile manufacturer

Peugot Societe Anonyme - Peugeot Co. Ltd. - French

Philippine Standards Association (IAA)

Philippine Sugar Association - Later, PSC (EA)

Philosophy of Science Association (EA)

Phlebology Society of America (NTPA)

Phobia Society of America - Later, ADAA (EA)

Photographic Society of America (EA)

Phycological Society of America (EA)

Physical Sector Address (SAUS)

Pickles and Sauces Association - British (DBA)

Pipe Stress Analysis (PDAA)

Pirandello Society of America (EA)

Pisa - Italy - Airport symbol (OAG)

Pisces Society of America

Pisum Sativum - Plant lectins (QSUL)

Pitch Servo Assembly (SAUS)

Planning and Service Areas

Planning Simulation Accounting (SAUS)

Play Schools Association (EA)

Pleasant Sunday Afternoons

Plumeria Society of America (EA)

Pneumatic Sensor Assembly

Poe Studies Association (EA)

Poetry Society of America (EA)

Police Superintendents' Association - New Zealand (WDAA)

Political Studies Association - British

Political Studies Association of the United Kingdom (BUAC)

Polycrystalline Silicon Self-Aligned - Photovoltaic energy systems (MHDI)

Polyethylene Sulfonic Acid - Organic chemistry (MAE)

Polysialic Acid - Organic chemistry

Polysilicic Acid - Organic chemistry

Polysilicon Self-Aligned (SAUS)

Poly-Substance Abuse - Medicine (MELL)

Portable Sanitation Association (EA)

Portable Sound Analyzer

Port Storage Area - Telecommunications (TEL)

Port Support Activity (DOMA)

Post Shakedown Availability

Post Sleep Activity (SAUS)

Post-Sleep Activity

Post Strike Assessment (SAUS)

Potential Surface Analysis (ADA)

Potentiometric Stripping Analysis (ABAC)

Potters' Society of Australia

Poultry Science Association (EA)

Power and Servo Assembly

Power Saw Association - British (BI)

Power Servo Amplifier (KSC)

Power Servo Assembly (MCD)

Power Spectral Analysis (RAWO)

Power Supply Assembly

Power Switching Amplifier

Power Switching Assembly

Power Systems Associates (NREL)

Precipitation Series Algorithm - Marine science

Prefabricated Surfacing Aluminum

Preferred Storage Area (MCD)

Preferred Supplier Agreement (SAUS)

Prefix Save Area (SAUS)

Prefix Storage Area - Computer science (OA)

Preliminary Safety Analysis - NASA (SSD)

Preliminary Site Assessment (SARE)

Pre/Post Sleep Activity (NASA)

Prepseudoarthrosis - Medicine (MELL)

President of the Society of Antiquaries - British

Pre Sleep Activity (SAUS)

Pressure Sensitive Adhesive - Trademark

Pressure Suit Assembly

Pressure Swing Absorption (SAUS)

Pressure-Swing Adsorption - Chemical engineering

Pressure Switch Assembly (NASA)

Pressure Switching Alarm - Engineering

Presunrise Authority

Presunrise Service Authority (NTCM)

Pretrial Service Agency (SAUS)

Prices Surveillance Authority (BUAC)

Primary Store Address (SAUS)

Principal Staff Assistants (SAUS)

Principal Supervisory Agent (EBF)

Private Schools Association - British

Probabilistic Safety Analysis (NRCH)

Problem Specification Analyzer (RALS)

Problem Statement Analyser (or Analyzer) (SAUS)

Problem Statement Analyzer - Computer science (IAA)

Proceedings of the Society of Antiquaries (SAUS)

Process Service Area (IAA)

Procurement Seminar for Auditors - Army

Product Safety Association - Defunct (EA)

Product Specific Attribute (CERES)

Product Support Administration (MCD)

Product Support Analysis (SAUS)

Professional Sales Association (NTPA)

Professional Salespersons of America - Defunct (EA)

Professional Service Association (EA)

Professional Services Administration (GART)

Professional Services Agreement (COE)

Professional Skaters Association (NTPA)

Professional Skills Alliance (EA)

Professional Squash Association (NTPA)

Professional Stringers Association - Defunct (EA)

Programmed Shutter and Aperture - Photography (DICI)

Program Specialty Area - Standards Council of Canada (FOTI)

Program Study Authorization (KSC)

Progressive Spinal Ataxia - Medicine (DMAA)

Projected Service Availability

Project-Specific Analysis (SAUS)

Project Support Agreement (SAUS)

Prolonged Sleep Apnea

Promoting Stress & Anxiety (WDAA)

Promotional Sourcing Association (BUAC)

Property Services Agency - Department of the Environment - British

Prostate-Specific Antigen - Immunochemistry

Protected Storage Address - Computer science (VLIE)

Protective Security Attendant - Australia

Protocol-Specific Annex (SAUS)

Prototype Sample Approval - Automotive engineering

Province Senior Advisor - Army (VNW)

Provisional Site Acceptance (NATG)

Provisional System Acceptance (SAUS)

Provisional System Approval (SAUS)

Provisions Stowage Assembly (NASA)

Psalm

Pseudomonic Acid - Biochemistry

Psychological Operations Support Activity - Military (MCD)

Psychological Semantic Analysis (NITA)

Psychological Society of America (SAUS)

Psychological Stress Analyzer (SAUS)

Psychologists for Social Action - Defunct (EA)

Publication Systems Associates, Inc. - Information service or system (IID)

Public Securities Association - Database producer (EA)

Public Servants Association (SAUS)

Public Service Act

Public Service Administration (SAUS)

Public Service Advertising (SAUS)

Public Service Alliance (BUAC)

Public Service Announcement

Public Service Association - New Zealand (WDAA)

Public Storage - NYSE symbol

Public Storage, Inc. - NYSE symbol (SAG)

Pulse Shape Analysis - Use in measuring radon and gross alpha- and beta-activities in groundwater (ALPHA)

Push Down Stack Automaton - Computer science

Socialist Party of Andalucia (Spain) - Political party (PSAP)

Storage Properties, Inc. - AMEX symbol (SPSG)