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October 2, 2025 28 mins

On June 9, 1930, with nothing but $20 and a one-room office in Sioux Falls, Harold “Spitz” Spitznagel (1896–1975) set out to build a business. He wasn’t thinking about legacy. He wasn’t dreaming of decades of success. But nearly a century later, his company, known today as TSP, remains a cornerstone of architecture, engineering, planning, and design across the region.

Spitz, inducted into the South Dakota Hall of Fame in 2006, left behind far more than buildings. He left core values, stories, and a way of approaching work and life that continues to guide TSP 95 years after its founding.

In this episode, South Dakota Hall of Fame CEO Laurie Becvar joined CEO Jared Nesje, the fifth leader in TSP’s 95-year history, to discuss Harold Spitznagel’s values that Jared credits for the company’s longevity.

Learn more about Harold here: https://www.sdhalloffame.org/news/the-legacy-of-harold-spitz-spitznagel-building-south-dakota-by-design

Follow us for more stories of Dream Chasers at:

Facebook: www.facebook.com/SDhalloffame

Instagram: @sdhalloffame

Website: www.sdhalloffame.org

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