The collection contains photographs, records, and news clippings of the Siegel Energy Company and the Siegel family. Ben Siegel founded the Siegel Oil Company in 1927 when he opened a small filling station at Bayaud and Santa Fe in Denver, Colorado. Ben Siegel was later joined by his sons Arnold and Larry Siegel. Siegel Energy Company is now managed by a third-generation of the Siegel family.. The collection gives the history of a Jewish owned family business.