Wiegmann Associates is one of the HVAC industry’s premiere national design/build mechanical contractors. From HVAC design to systems installation and service, Wiegmann has focused on innovative, energy saving and cost-effective HVAC solutions since 1995. Based in St. Louis, MO we've built projects in 42 states and counting, ranging up to $35M. From beer distribution facilities to specialized health care centers and multi-family housing, our experience spans a broad range of industries. Our highly skilled St. Louis HVAC service team is professional, responds quickly, and is available 24/7 for emergencies in St. Louis.
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The Wiegmann Associates annual revenue was $25.8 million in 2026.
Devin Schild is the CFO of Wiegmann Associates.
41 people are employed at Wiegmann Associates.
Wiegmann Associates is based in Saint Charles, Missouri.
The NAICS codes for Wiegmann Associates are [23822, 238, 238220, 23, 2382].
The SIC codes for Wiegmann Associates are [17, 171].