OFC vs PSA

Corporate Office Properties Trust

COPT is a REIT that owns, manages, leases, develops and selectively acquires office and data center properties. The majority of its portfolio is in locations that support the United States Government and its contractors, most of whom are engaged in national security, defense and information technology (“IT”) related activities servicing what it believes are growing, durable, priority missions (“Defense/IT Locations”). The Company also owns a portfolio of office properties located in select urban/urban-like submarkets in the Greater Washington, DC/Baltimore region with durable Class-A office fundamentals and characteristics (“Regional Office Properties”). As of December 31, 2020, the Company derived 87% of its core portfolio annualized rental revenue from Defense/IT Locations and 13% from its Regional Office Properties. As of the same date and including 17 properties owned through unconsolidated joint ventures, COPT's core portfolio of 179 office and data center shell properties encompassed 20.8 million square feet and was 95.0% leased; the Company also owned one wholesale data center with a critical load of 19.25 megawatts that was 86.7% leased.

Public Storage

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.