ST. LOUIS - Micro Powders Inc. has appointed Cincinnati-based Archway Sales (formerly Deeks & Co.) as its exclusive agent in the Ohio territory to represent its product line of high-performance wax additives. The territory includes Ohio, Michigan, western Pennsylvania, Kentucky, western New York, southern Indiana and West Virginia. In addition to the Midwest, Archway has been representing Micro Powders in St. Louis, Memphis and Kansas City for over 20 years.