 Thirty years later, Standard Insurance acquired the Georgia-Pacific Building in 1982 when Georgia-Pacific moved its headquarters to Atlanta, GA. Then in 1998, StanCorp Financial Group, Inc. was created as the holding company for all the business divisions of the company.The following year the company went public, trading on the New York Stock Exchange.StanCorp's Standard Insurance purchased part of Teachers Insurance and Annuity Association (TIAA) group life and disability portfolio in 2002 for $75 million.