PS Business Parks, Inc., an S&P MidCap 400 constituent, is a real estate investment trust primarily focused on acquiring, developing, owning, and managing commercial properties. Its primary holdings include multi-tenant industrial, flexible-use, and office spaces. By September 30, 2020, the company's portfolio encompassed 27.5 million wholly-owned rentable square feet, serving roughly 5,000 business clients across six states.