Owner and president, industrial wastewater engineering firm · The Probst Group · Hartland, Wisconsin
Henry Probst
Henry Probst (Henry J. Probst), owner and president of Hartland-based The Probst Group, LLC. Not other U.S. wastewater engineers named Probst; Tom Probst is the founding-generation father.
Also known as Henry J. Probst
Net worth
$6 million+
September 18, 2026
About
Henry Probst is owner and president of The Probst Group, the Hartland industrial-wastewater engineering and operations firm whose first-party about page publishes 1120A James Drive, Hartland, WI 53029 and phone (262) 264-5665.
That timeline says his father Thomas Probst founded ProCorp in 1988, Henry joined in 1991 while studying civil/environmental engineering at UW-Milwaukee, the pair founded The Probst Group in 2008 after ProCorp was sold, and Henry became sole owner in 2014 after purchasing the company outright.
The same page says the firm bought and rebuilt a Hartland office and formally moved in at the beginning of 2024, and that the team now includes more than 70 wastewater professionals. Dairy Foods lists him as president of The Probst Group, LLC and Symphonic Water Solutions, Inc., and an Appleton, Minnesota sewer-rate study packet repeats the first-party timeline and prints Henry J. Probst as president with hprobst@probstgroup.com.
Named sole owner and president of a single Hartland-headquartered wastewater shop with a documented 2008 founding, a 2014 buyout and a published James Drive lock makes Probst the engineering principal on this slate. Thomas Probst remains the named founding-generation counterpart. Work email locked from the Apollo-first pass.
Companies and affiliations
- The Probst Group
- The Probst Group, LLC
- Symphonic Water Solutions
Notable facts
The Probst Group's first-party about page publishes 1120A James Drive, Hartland, WI 53029 and phone (262) 264-5665, and says Henry Probst became sole owner in 2014 after purchasing the firm.
The same timeline says Thomas Probst founded ProCorp in 1988, Henry joined in 1991 while at UW-Milwaukee, and father and son founded The Probst Group in 2008 after ProCorp was sold.
First-party copy says the firm moved into the rebuilt Hartland office at the beginning of 2024 and now has more than 70 wastewater professionals.
What questions can this profile answer
- What makes Henry Probst notable?
- Henry Probst is owner and president of The Probst Group, the Hartland industrial-wastewater engineering and operations firm whose first-party about page publishes 1120A James Drive, Hartland, WI 53029 and phone (262) 264-5665. That timeline says his father Thomas Probst founded ProCorp in 1988, Henry joined in 1991…
- What is Henry Probst's estimated net worth?
- Henry Probst's estimated net worth is $6 million+ as of 2026-09-18.