Hann Plummer is a CPA firm created by two experienced CPAs, William B. Hann and Dee Plummer. William has been providing client focused tax and accounting services in Enid since 2005 and has a career that spans over 25 years. He has extensive experience with all types of taxes and in various industries, including agriculture, oil and gas companies, and small businesses. Dee has over 15 years of accounting, business management, and tax planning experience. His work experience includes being the Controller for P&K Equipment, Chief Financial Officer for W.B. Johnston Grain Company, and most recently Chief Financial Officer for Equity Marketing Alliance.