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  2. Professional Sports Authenticator - Wikipedia

    en.wikipedia.org/wiki/Professional_Sports...

    History. PSA was launched in July 1991 by David Hall, owner of the coin grading company Professional Coin Grading Service (PCGS), to serve collectors as a third-party card grader. [ 1] At the outset, the business faced difficulties owing to a limited demand from collectors who sought card grading services. [ 2]

  3. Pacific Southwest Airlines - Wikipedia

    en.wikipedia.org/wiki/Pacific_Southwest_Airlines

    Pacific Southwest Airlines ( PSA) was a low-cost US airline headquartered in San Diego, California, that operated from 1949 to 1988. It was the first substantial scheduled discount airline. PSA called itself "The World's Friendliest Airline" and painted a smile on the nose of its airplanes, the PSA Grinningbirds. [ 2]

  4. PSA Group - Wikipedia

    en.wikipedia.org/wiki/PSA_Group

    The PSA Group (French pronunciation: [ɡʁup pe ɛs ɑ]), legally known as Peugeot S.A. (Peugeot Société Anonyme, trading as Groupe PSA; formerly known as PSA Peugeot Citroën from 1991 to 2016) was a French multinational automotive manufacturing company which produced automobiles and motorcycles under the Peugeot, Citroën, DS, Opel and Vauxhall brands.

  5. Public service announcement - Wikipedia

    en.wikipedia.org/wiki/Public_service_announcement

    A public service announcement (PSA) is a message in the public interest disseminated by the media without charge to raise public awareness and change behavior. Oftentimes these messages feature unsettling imagery, ideas or behaviors that are designed to startle or even scare the viewer into understanding the consequences of undergoing a particular harmful action or inaction (such as pictures ...

  6. Professional services automation - Wikipedia

    en.wikipedia.org/wiki/Professional_services...

    Professional services automation. Professional services automation ( PSA) is software designed to assist professionals, such as lawyers, auditors, and IT consultants, with project management and resource management for client projects and utilization rate management for billable staff. This is accomplished by developing metrics to quantify and ...

  7. Public Service Association - Wikipedia

    en.wikipedia.org/wiki/Public_Service_Association

    The Public Service Association (Māori: Te Pūkenga Here Tikanga Mahi), or PSA, is a democratic trade union with over 90,000 workers in the New Zealand public sector.. The stated aims of the PSA are to provide support for public and not-for-profit community services, support worker voices and participation though unions, ensure workplaces are free from discrimination, and advance the Te Tiriti ...

  8. Pacific Southwest Airlines Flight 182 - Wikipedia

    en.wikipedia.org/wiki/Pacific_Southwest_Airlines...

    Pacific Southwest Airlines Flight 182 was a scheduled flight of Pacific Southwest Airlines (PSA) from Sacramento to San Diego with a stopover at Los Angeles.On September 25, 1978, the Boeing 727-214 [a] serving the flight, registration of N533PS, collided with a private Cessna 172 light aircraft, registration N7711G, over San Diego, California.

  9. Production sharing agreement - Wikipedia

    en.wikipedia.org/wiki/Production_sharing_agreement

    Production sharing agreement. Production sharing agreements ( PSAs) or production sharing contracts ( PSCs) are a common type of contract signed between a government and a resource extraction company (or group of companies) concerning how much of the resource (usually oil) extracted from the country each will receive.