Girls Inc., various shelters, clean cities programs, and more. Many members of Sigma Phi Omega are also individually involved within their own community through tutoring and mentoring programs for the disadvantaged and younger students, as well as through various volunteering programs. Service is one of the main pillars within the sisterhood of Sigma Phi Omega. By it they explain their pride in serving their communities and are inspired to contribute to make a difference in each other's lives and the lives of others. Chapters Sigma Phi Omega has installed nine chapters located in California and Texas, nine of which are active. Active chapter noted in bold, inactive chapters noted in italics. Conventions There are annual conventions held each summer as well as Mid-year Retreat, where sisters from different chapters gather to bring orders of business as well as bond. These conventions and retreats are hosted by the chapters in rotations. Affiliations Cousin fraternity (Texas): Delta Epsilon Psi External links Official Website References Student societies in the United States 1949 establishments in California