Devon Energy Center is a 50-story corporate skyscraper in downtown Oklahoma City, Oklahoma, and is tied as the 39th tallest building in the United States. Construction began October 6, 2009, and was completed in October 2012. The tower is located next to the historic Colcord Hotel, which Devon currently owns, on Sheridan Avenue between Hudson and Robinson Avenues.The office tower, a six-story rotunda and a six-story podium structure comprise more than and was initially estimated to cost $750 million; however, the first formal appraisal of the tower and complex came in at only $707.9 million. It serves as the northern anchor of Oklahoma City's aggressive Core to Shore downtown redevelopment project.HistoryDevon World Headquarters LLC, a subsidiary of Oklahoma City-based Devon Energy Corporation, built the new skyscraper to replace their existing corporate office, which were located inside Mid America Tower, as well as other space the company were leasing in a number of office buildings in the central business district.Devon Tower was originally planned to be 54 stories and tall. However, subsequent space planning revisions—including a decision to locate the data center to a separate facility for security reasons—resulted in a reduced height of, including 50 stories.Site preparation and demolition began October 6, 2009. The Holder Construction Company served as primary general contractor, and Flintco, Inc. the minority partner in the joint venture.