The Maintenance Superintendents Association (MSA) is a non-profit professional organization dedicated to ensuring the health and safety of the public. This is accomplished by fostering the dissemination of knowledge and experience pertaining to the operation and maintenance of public facilities among it's membership. The Los Angeles and Orange Area Chapter, which includes both respective counties in their entirety, totals over 250 members. Memberships are comprised of public agency supervisors, superintendents, managers, directors, staff, salespersons, and vendors of equipment, materials and services.