Wiegmann Associates has been named as one of St. Charles County’s largest businesses by the St. Louis Business Journal. With revenue of 61 Million in 2020, Wiegmann ranks 9th in the 25 largest businesses in St. Charles County. Weigmann has…

Wiegmann Associates has been named as one of St. Charles County’s largest businesses by the St. Louis Business Journal. With revenue of 61 Million in 2020, Wiegmann ranks 9th in the 25 largest businesses in St. Charles County. Weigmann has…
Renderings from Brentwood School District website by Ittner Architects Wiegmann Associates has completed HVAC work as part of an $18 million renovation and expansion project for the Brentwood School District in St. Louis, MO. As the installing mechanical contractor, Wiegmann…
Wiegmann Associates has been named as one of St. Louis’ fastest-growing private companies by the St. Louis Business Journal. With revenue growth of 64% between 2018 and 2020, Wiegmann ranks 28th in the 50 fastest-growing companies. Wiegmann is ranked among…
We are proud to announce that Wiegmann Associates was ranked among the Top 150 Privately Held Companies in St. Louis by the St. Louis Business Journal. Thank you to our amazing team and clients for fueling our growth and longevity!
Wiegmann Associates has once again been named one of the top specialty contractors in the Midwest by Engineering News-Record, the leading international construction industry news magazine. With $48.81 million in 2020 revenue, Wiegmann Associates was ranked the 6th largest mechanical…
ST. LOUIS, MO – Josh Estrel of O’Fallon, MO has joined Wiegmann Associates as a Project Engineer. He is responsible for designing and engineering heating, cooling and ventilation systems for various Wiegmann Associates projects. Estrel holds a bachelor’s degree in Mechanical…
ST. LOUIS, MO – Zachary Vanelli of Ballwin, MO has joined Wiegmann Associates as an Account Executive. He is responsible for communicating with customers about potential project opportunities, developing conceptual designs, performing engineering loads and calculations and generating construction proposals….