Win Kelly Chevrolet Buick GMC: An award winning Columbia Chevrolet, Columbia Buick, & Columbia GMC dealer in Clarksville, MD. Win Kelly has proudly served as your Baltimore Chevrolet, Baltimore Buick, Baltimore GMC dealer for 25 years. From our dealership in Howard County, we are able to sell and service New and Used Chevy Cars and Trucks, as well as Buick and GMC’s.