Brookfield Office Properties Inc is a Canada-based commercial real estate company. The Company owns, develops and manages office properties in the United States, Canada, Australia, and Europe. The Company operates in four segments: the United States, Canada, Australia and Europe. The Company's commercial property portfolio consists of interests in approximately 125 properties totaling approximately 90 million square feet, including approximately 18 million square feet of parking and other. The Company's development portfolio consists of interests in approximately 22 sites totaling approximately 18 million square feet. Its portfolio includes office and multifamily properties. Its primary markets are the financial, energy and government center cities of New York, Washington, District of Columbia, Houston, Los Angeles, Toronto, Calgary and Ottawa in North America, as well as Sydney, Melbourne and Perth in Australia, and London and Berlin in Europe.