Public Storage, a constituent of the S&P 500 index, operates as a real estate investment trust (REIT) primarily dedicated to acquiring, developing, owning, and managing self-storage facilities. As of December 31, 2025, the company boasted a significant footprint in the United States, with ownership and/or operation of 3,533 self-storage sites across 40 states, collectively offering approximately 258 million net rentable square feet. Furthermore, it possessed a 35% common equity interest in Shurgard Self Storage Limited (Euronext Brussels: SHUR), an entity that owned 332 self-storage facilities spanning seven Western European countries, accounting for roughly 18 million net rentable square feet under the Shurgard brand. Public Storage's main office is located in Frisco, Texas, and the company was formally established in 1972 in Maryland, USA.