Alpha Sigma is a local sorority in Wisconsin established in 1898.
http://orgs.uww.edu/alphasigma/home.html
Alpha Sigma is a society established in 1957.
http://www.alphasigmaalumni.org/
Alpha Sigma is a local sorority in New York established in 1992.
http://alphasigmasorority.com/alpha/index.html
