Great Northern Corp., Appleton, Wis., hired Principal Financial Group...

Great Northern Corp., Appleton, Wis., hired Principal Financial Group as record keeper for its $36 million profit-sharing fund, replacing US Bank, said Brian Diermeier, director-human resources. The plan offers eight investment options: S&P 500 index, bond and mortgage funds from Principal; Vanguard's Wellington balanced, PRIMECAP and Explorer equity funds; Fidelity midcap equity; and Putnam international equity funds.