This article is about a company in the United States. For the energy project in Africa see the HVDC Western Power Corridor Westcor is a subsidiary of The Macerich Company and owns 18 shopping malls and plazas in the Southwestern region of the United States. It was founded in 1964 by entrepreneur Bob Teske. Westcor is headquartered in Phoenix, Arizona and is Arizona's leading mall developer. It has 16 properties in Arizona and 2 properties in Colorado. Arizona Arrowhead Towne Center: Glendale Bi… (More on Westcor)