RAPID CITY, S.D. – Oct. 30, 2025 – TSP, Inc., a multidisciplinary design firm, announced today that Alex Kalmbach has officially earned his licensure as a Professional Engineer (PE), qualifying him as a mechanical engineer.
The PE credential represents the highest standard in engineering, underscoring expertise, competence, and public trust. Achieving this license requires a rigorous process, including completing a four-year degree from an accredited engineering program, successfully passing the Fundamentals of Engineering (FE) exam, accumulating several years of supervised qualifying experience under a licensed PE, and ultimately passing the comprehensive Principles and Practice of Engineering exam. Kalmbach’s successful completion of the PE exam marks the final step in obtaining his licensure from a state board.
Kalmbach, a native of Rapid City, holds a bachelor’s degree in mechanical engineering from South Dakota Mines. He is based in TSP’s Rapid City office and has been with the firm since March 2022.
TSP, celebrating its 95th year in 2025, is an employee-owned practice providing architecture, engineering, planning, and interior-design services. The firm is committed to delivering projects that serve communities in the Black Hills region and beyond. TSP’s legacy began as a one-man shop in 1930 and has grown into a