Oklahoma Public Employees Retirement System, Oklahoma City, is searching for a record keeper for the system's 457 and 401(a) plans, confirmed Tom Spencer, executive director. Incumbent Great-West Retirement Services' contract is set to expire June 30, 2006, Mr. Spencer said; Great-West can rebid. Under state law, the plans must issue an RFP when a contract expires. The plans, which mirror each other, have a combined $355 million in assets. Each offers 14 investment options. Strategic Investment Solutions, the system's consultant, is assisting.