Air Foyle Ltd. - British - ICAO designator (FAAC)
Congressional Information Service (IID)
Uganda Peoples Alliance (SAUS)
Uganda Peoples Army (SAUS)
Ukrains'ka Povstans'ka Armiia
Ultimate Players Association (EA)
Ultra Port Architecture (SAUS)
Uncooled Parametric Amplifier
Uniao das Populacoes de Angola - Angolan People's Union - Later, NFLA
Uniform Partnership Act
Union of Poles in America (EA)
Union Panamericana - Pan-American Union - Washington, DC
Union Postale Arabe - Arab Postal Union
Unique Product Advantage - Advertising
Unitary Pole Approximation
United Patternmakers Association
United Power Association (IAA)
United Printers Association (SAUS)
United Producers of America - Motion picture company
United Productions of America (SAUS)
United Programming Alliance
United Progressive Alliance - Government
United Progressive Alliance - Indian coalition government formed by reformists and their opponents
Units per Assembly - Business term (MHDB)
Universal Polling Adapter (TIMI)
University Photographers Association of America
University Press of America
University Publications of America - Database producer (IID)
Unpressurized Aerosol - Therapy - Pharmacology (DAVI)
Unwed Parents Anonymous (EA)
Upala - Costa Rica - Airport symbol (AD)
Uranium Producers of America (SAUS)
Urban Programme Authority - Education (AIE)
Urokinase Plasminogen Activator - An enzyme
Usability Professionals' Association (EA)
Utah Petroleum Association (EARSL)
Utah Pharmaceutical Association (SAUS)
Utah Psychiatric Association (EARSL)
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