W-L Ranch Co. was an American Thoroughbred horse racing and breeding partnership between Hollywood film studio executive Harry M. Warner and film director Mervyn LeRoy.
Warner's daughter, Doris, was married to Mervyn LeRoy.
In 1938, Harry Warner, along with his brother Jack, and Mervyn LeRoy were founding investors in Hollywood Park Racetrack in Inglewood, California.
[1] LeRoy was a member of the track's board of directors from 1941 until his death in 1987.
In addition to competing at their own racetrack, W-L Ranch Co. raced horses at Santa Anita Park and Del Mar Racetrack in California as well as at other racetracks throughout the United States until 1958 when Harry Warner died.