Public Storage is a real estate investment trust, which engages in acquiring, developing, owning and operating self-storage facilities. It operates through the following segments: Self-Storage Operations, Ancillary Operations, and Other Items. The Self-Storage Operations segment reflects the rental operations from all self-storage facilities. The Ancillary Operations segment deals with the sale of merchandise and reinsurance of policies against losses to goods stored by self-storage tenants, activities which are incidental to the primary self-storage rental activities. The Other Items segment includes general, administrative, and investment costs. The company was founded by Bradley Wayne Hughes, Sr. and Kenneth Q. Volk, Jr. in 1972 and is headquartered in Frisco, TX.