The company was founded in Oregon in 1906.[2] On February 24, Leo Samuel founded the Oregon Life Insurance Company.[3] In 1946 the company name was changed to Standard Insurance Company.[2] Then in 1962, the company moved its headquarters into the newly constructed Standard Plaza building.[4]. 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.[2] The following year the company went public, trading on the New York Stock Exchange
source:wikipedia