After 90 years in business, the company in Sioux Falls now known as TSP Inc. is undergoing a noteworthy change in ownership. It’s creating an employee stock ownership plan, or ESOP.

Read More →

As a full-service firm made up of architects, engineers, and interior designers—plus support staff—TSP, Inc. gets the job done through collaboration. Since architect Harold Spitznagel founded the firm in 1930, it has relied on cutting-edge tools to design the legacy buildings that can be found around the Upper Midwest and beyond. Its decades-long history of […]

Read More →