Last checked October 15, 2026 · State licensed-contractor registry
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Ownership
See file / Vice President
Sandra M Welter / Secretary
Richard G Merbach / President
Betty Johnson / Treasurer
Richard A Schinke Jr / President
Michael J Jansen / CEO
Diane Schaefer / Treasurer
Brain T Davis / Secretary
Ron Reinheimer / Vice President
Kenneth R Baumgart / Secretary
Kristin Ausloos / Treasurer
Where this record comes from
Source: A currently-active licensed contractor in its state's registry (electrical, plumbing, HVAC, landscaping). A held license is a strong independence signal — chains and rollups license under one corporate entity.
Independence: We don't have enough data to verify ownership yet.
Last checked: October 15, 2026