Mack-Cali Realty Corporation is a self-administered and self-managed real estate investment trust (REIT) that owns and operates a real estate portfolio consisting of Class A office and office/flex properties located in the Northeast with an emphasis on expansion into the multi-family rental sector in the same markets. The Company performs all real estate leasing, management, acquisition, development and construction services on an in-house basis. The Company operates in three industry segments: commercial and other real estate, multi-family real estate, and multi-family services. The Company provides leasing, property management, acquisition, development, construction and tenant-related services for its commercial and other real estate and multi-family real estate portfolio. The Company�s multi-family services business also provides similar services for third parties.