Phi Sigma

Palmam Qui Meruit Ferat

Let he who wins the laurals wear them

Founded 1866 at UW-Platteville — Home of the Philadelphian Society, Inc. & PSA Properties, Inc.

Featured Event

160th Anniversary Celebration

Saturday, April 24, 2027

Celebrate 160 years of Phi Sigma! Join brothers past and present as we honor our fraternity's rich history and legacy at UW-Platteville. More details to follow.

80 S. Elm Street, Platteville, WI

Upcoming Events

October 10, 2026

Homecoming

Annual Homecoming event to reconnect with alumni and celebrate our fraternity's history. More details to follow.

80 S. Elm Street, Platteville, WI

PSA Properties, Inc.

View the chapter house, see the gallery, and learn about our housing organization.

Visit The House →

Philadelphian Society, Inc.

Stay connected with your brothers. Update your contact info and stay in the loop.

Alumni Info →