14 W. Kemp Ave
Watertown, SD 57201
TSP is a fast-paced, full-service design firm that successfully integrates architecture, engineering, interior design, and planning. Since 1930, TSP has existed to perform fulfilling work. It’s fulfilling for us because it makes our clients better at what they do. That personal connection is the foundation of our focus on Exceptional Client Service and Outstanding Design Solutions—where form, function, economy, and culture fit simply and beautifully to fulfill the client’s story.