Mack-Cali Realty Corporation (Mack-Cali) is a leading real estate investment trust (REIT) company in the US. The company is engaged in the leasing, management, acquisition, development and construction of commercial real estate properties in the US. The company owns and operates more than 33.5 million square feet of class A office and flex properties, which are located in the Northeast and Mid-Atlantic regions. The company owns or has interests in 289 properties, aggregating about 33.2 million square feet, and developable land. The company offers its leasing services to approximately 2,100 tenants. Mack-Cali is headquartered at Edison in New Jersey, the US.