Advantage Administrators, formerly known as R.D. Drenkow & Co., Inc., was founded in 1987 by ERISA attorney Rodney D. Drenkow as an independent employee benefit consultant and administrator. Our experienced staff can help you establish a benefit plan that will satisfy the needs of your employees. As an independent third party administrator, we provide all the services necessary for tax-favored employee benefit programs, such as: Trust Accounting, IRS Reporting, Consulting, Documentation and Compliance Testing