Thompson Sales is your Buick, GMC, Cadillac and Saab dealer in Springfield, and has been locally owned and operated since 1919. After being in the automotive business for more than 90 years, we know that taking care of our present and future customers is how we have remained a successful business for so long. Our friendly, professional staff will exceed your expectations no matter which department you're working with. We know that everyone can choose who they do business with, and we're privileged to have been chosen by customers from all over the United States time and time again.