The Hospital Association of Southern California (HASC), founded in 1923, is a not-for-profit 501(c)(6) regional trade association. HASC is dedicated to effectively advancing the interests of hospitals in Los Angeles, Orange, Riverside, San Bernardino, Santa Barbara, and Ventura counties. HASC is comprised of 184-member hospitals and 40 health systems, plus numerous related professional associations and associate members, all with a common goal: to improve the operating environment for hospitals and the health status of the communities they serve.