Founded in 1925, we are a national co-ed community service organization. We have over 25,000 active members and over 400,000 alumni. With over 375 chapters across the United States, APO is the largest collegiate fraternity in the nation. Internationally, we have 250 chapters in Philippines, 1 chapter in Australia and 1 chapter in Canada. The 3 cardinals principles we honor are leadership, friendship and service.