Under ERISA, a retirement plan administrator cannot divide a pension or retirement account without a Qualified Domestic. OPERS provides age and service retirement, disability benefit and survivor benefit programs for public employees throughout the state.Defined benefit plans provide a fixed, pre-established benefit for employees at retirement. Welcome to the Michigan Office of Retirement Services (ORS) website for State of Michigan employees who are in the Defined Benefit (DB) Plan. OPERS: Your Pension System. The Ohio Public Employees Retirement System has been providing retirement benefits to Ohio's public employees since 1935. Discover Tri-C's total rewards package, including market-based compensation, health benefits, flexible schedules, tuition assistance and more.