Short answers, pulled from the story.
North American Aviation spun off Rocketdyne as a separate division in 1955. The new entity established its headquarters in Canoga Park, a small suburb of Los Angeles located in the San Fernando Valley.
Rocketdyne maintained division headquarters and rocket engine manufacturing facilities at Canoga Park from 1955 until 2014 when operations moved elsewhere. The company also operated a 120,000 acre test facility near Reno Nevada from 1962 until 1970 known as the Nevada Field Laboratory.
Five F-1 engines powered the Saturn V's S-IC first stage while five J-2 engines drove its S-II second stage. A single J-2 engine powered the S-IVB third stages of the massive lunar landing vehicle that enabled American astronauts to travel to the Moon between 1961 and 1972.
Boeing reached an agreement on the 2nd of August 2005 to sell what was then called Rocketdyne Propulsion & Power to Pratt & Whitney of United Technologies Corporation. GenCorp Inc later purchased Pratt & Whitney Rocketdyne in 2013 from United Technologies Corporation.
The Neosho facility closed in 1968 after producing world-class liquid rocket engines according to local commemorative monuments. The U.S. Air Force constructed the facility within Fort Crowder decommissioned World War II training base land beginning in 1956.