Public Storage, a member of the S&P 500 and FT Global 500, is a REIT that primarily acquires, develops, owns and operates self-storage facilities. At September 30, 2020, we had: (i) interests in 2,504 self-storage facilities located in 38 states with approximately 171 million net rentable square feet in the United States, (ii) an approximate 35% common equity interest in Shurgard Self Storage SA (Euronext Brussels:SHUR) which owned 239 self-storage facilities located in seven Western European nations with approximately 13 million net rentable square feet operated under the ?Shurgard? brand and (iii) an approximate 42% common equity interest in PS Business Parks, Inc. (NYSE:PSB) which owned and operated approximately 28 million rentable square feet of commercial space at September 30, 2020. Our headquarters are located in Glendale, California.
Public Storage, a member of the S&P 500 and FT Global 500, is a REIT that primarily acquires, develops, owns and operates self-storage facilities. At September 30, 2020, we had: (i) interests in 2,504 self-storage facilities located in 38 states with approximately 171 million net rentable square feet in the United States, (ii) an approximate 35% common equity interest in Shurgard Self Storage SA (Euronext Brussels:SHUR) which owned 239 self-storage facilities located in seven Western European nations with approximately 13 million net rentable square feet operated under the ?Shurgard? brand and (iii) an approximate 42% common equity interest in PS Business Parks, Inc. (NYSE:PSB) which owned and operated approximately 28 million rentable square feet of commercial space at September 30, 2020. Our headquarters are located in Glendale, California.