Organizations
- Ulster Army Council, set up in 1973 as an umbrella group by the Ulster Defence Association and the Ulster Volunteer Force to co-ordinate joint paramilitary operations during the Loyalist strike
- Undeb Amaethwyr Cymru, the Farmer's Union of Wales
- Unemployment Action Center, a non-profit organization in New York City
- Union Aerospace Corporation, a fictional conglomerate from the Doom universe
- Union of Catholic Apostolate, a Catholic association
- United Aircraft and Transport Corporation, formed in 1929, when William E. Boeing teamed up with Frederick B. Rentschler of Pratt & Whitney
- United Aircraft Corporation, - in Russian: Объединённая Авиастроительная Корпорация, Obyedinyonnaya Aviasroitelnaya Korporatsiya (OAK) - is a Russian open joint stock corporation with a majority stake belonging to the Russian Government that consolidates Russian private and state-owned aircraft construction companies and assets engaged in the manufacture, design and sale of military, civilian, transport, and unmanned aircraft
- United American Committee, a non-partisan, non-profit, 501c(3) organization dedicated to educating the nation about the current threats that they believe are confronting the U.S., with the primarily focus on confronting Islamic extremism
- Université d’Abomey-Calavi, part of the National University of Benin
- United Africa Company, a British company which principally traded in West Africa during the 20th century
- United Arab Command, a unified military command structure of the member states of the Arab League
- Universities Admissions Centre the organization that processes applications for admission to tertiary education courses at participating institutions in Australia, mainly in New South Wales and the Australian Capital Territory.
Read more about this topic: UAC