 Within a year, the Los Angeles Fire Department signed up, then the Los Angeles Police Department, then the Southern California Telephone Company (now AT&T Inc.), and more.By 1951, enrollment stood at 35,000 and included teachers, county and city employees.In 1982 through the merger of the Insurance Company of North America (INA) founded in 1792 and Connecticut General (CG) founded in 1865 came together to become CIGNA.