 These stores, primarily located in shopping malls, included both Sibley's and Ms. Sibley's, the latter of which was a specialty shoe store for women.Upon the construction of the Renaissance Center skyscraper complex in the mid-1970s, Sibley's later moved its offices there, until the complex was purchased by General Motors.Sibley's later chose a site in Warren, Michigan in 1997 and began construction on a new headquarters building and warehouse, completed in August 1998.