Retirement Investment Advisors. Inc. – a well-established, fee-only, fiduciary firm is growing. We are adding a CERTIFIED FINANCIAL PLANNER™ professional to our team in Oklahoma City to service new and existing clients with retirement planning and asset management. Based in Oklahoma City, with an office in Frisco, Texas, Retirement Investment Advisors, Inc. has been cited by more than 40 national publications as one of the nation’s top financial planning companies. Another factor that sets us apart is that all of our advisors are CERTIFIED FINANCIAL PLANNER™ professionals.