 In 1976, Adams founded Shannon & Company, which served Orange County and Los Angeles as a full service advertising agency until the company converted to a broadcast and film production company in the 1980s, focusing primarily on historical documentary projects and docudramas.The company rolled out a number of films, including "Ruins of the Reich", "The Missions of California", "Order Castles of the Third Reich" and "The Final Journey".Ownership of Shannon & Company changed when R.J. Adams' son, Rob Adams, took control of the company in the spring of 2000 and steered the company toward the production of feature films and episodic television.