Founded in 1923, the Marine Exchange of Southern California is a nonprofit organization that works for the development of maritime commerce. The organization offers reports of ship activities for the Port of Los Angeles and Port of Long Beach. It provides ship information reports on schedules, arrival times and locations. The Marine Exchange of Southern California also provides services and reports to the waterfront business community throughout Southern California. The organization offers various harbor safety plans for port complexes. In addition, it has a partnership with the United States Coast Guard. The Marine Exchange of Southern California is located in San Pedro, Calif.