Lake Oswego Soccer Club (LOSC) was formed in 1974, making it the oldest soccer club in the State of Oregon. Until recently LOSC was also the largest club in Oregon with over 2,500 players. While we are not the largest club in the state, we do still have the largest membership of any youth sports organization in Lake Oswego. LAKE OSWEGO SOCCER CLUB is a sports company based out of PO BOX 1372, LAKE OSWEGO, Oregon, United States.