Symetra is a United States-based family of companies providing retirement plans, employee benefits, annuities and life insurance through independent distributors nationwide. The main headquarters of the company is located in Bellevue, Washington. Started in 1957, Symetra Financial began as a subsidiary of Safeco. In 1967, the total amount of insurance in force for Symetra surpassed the $1 billion mark. By 1995, the total assets had grown to $10 billion. In 2004, Safeco sold its life insurance business to an investor group led by White Mountains Insurance Group and Berkshire Hathaway.