•
Astroparticle and Cosmology Laboratory, a research laboratory located in Paris •
A.P.C., A French design group and clothing retailer •
African, Caribbean and Pacific Group of States, a group of countries •
African People's Convention, a South African political party •
Alianza Popular Conservadora, a political party in Nicaragua •
Alien Property Custodian, a former office within the Government of the United States •
All People's Congress, a political party in Sierra Leone •
All Progressives Congress, a political party in Nigeria •
Alternativa Popular Canaria, a separatist political party of the Canary Islands •
American Pie Council, an organization committed to preserving America's pie heritage •
American Plastics Council, a major trade association for the U.S. plastics industry •
Anadarko Petroleum Corporation, a defunct American petroleum exploration company •
Animal Procedures Committee, a UK public body and task force •
Anti-Poverty Committee, a direct action organization in Vancouver, Canada •
Apocalypse Production Crew, an MP3 warez organization •
Arab Potash Company, a potash production company headquartered in Jordan •
Armed Proletarians for Communism, an Italian far-left terrorist group of the 1970s •
Arrangers' Publishing Company, a sheet music publishing company in the United States •
Asia Pacific College, a joint venture between IBM Philippines and the SM Foundation •
Associated Presbyterian Churches, a Scottish Christian denomination •
Association for Progressive Communications, a worldwide network of organisations helping others use the internet to promote social justice and sustainable development •
Association of Professional Chaplains, internationally certified hospice chaplains •
Australian Polling Council, a polling industry body •
Patriotic Alliance for Change, a Paraguayan political alliance (Alianza Patriótica por el Cambio) ==Places==