Here's two that I know of
http://www.nmsu.edu/~gogreek/
and
http://www.union.arizona.edu/csil/greek/
the first is New Mexico State and the second is Univ. of Arizona
and then there is this link (from IFC)
http://www.nicindy.org/campuses.html
Don't know how accurate that last one will be as the first one
(UofA) is outdated