Public Service Association of NSW was created in 1899.
Public Services Association was created in 1967.
American Public Power Association was created in 1940.
Bermuda Public Services Association was created in 1952.
Indian Public Health Association was created in 1956.
Public Transport Users Association was created in 1976.
American Public Transportation Association was created in 1882.
American Public Health Association was created in 1872.
American Public Human Services Association was created in 1930.
American Association for Public Opinion Research was created in 1947.
American Association of Public Health Physicians was created in 1954.
World Association for Public Opinion Research was created in 1947.