Team Wiegmann was proud to honor the memory of our friend and coworker, Matt Stergos, by participating in the Walk to End Lupus again this year. Thank you to everyone who walked, donated, and supported this cause. Together, we’re taking…


Team Wiegmann was proud to honor the memory of our friend and coworker, Matt Stergos, by participating in the Walk to End Lupus again this year. Thank you to everyone who walked, donated, and supported this cause. Together, we’re taking…

We are grateful to our clients and team for helping us be named one of the Top Specialty Contractors in the United States! Check out this article about this year’s Engineering News Record Top 600 Specialty Contractor’s list. https://www.enr.com/articles/59597-enr-2024-top-600-specialty-firms-contractor-collaboration-shines

Wiegmann Associates congratulates Annette and David on their retirement. We are so grateful for having Annette on our team for the last 25 years, and Dave Boschert for the last 27 years! We wish them all the best in their…

Wiegmann Associates has been awarded a St. Louis Small Business Monthly’s Family Business Award. The Family Business Awards honors the achievements of family-owned businesses across the Greater St. Louis area. Companies honored must be family-owned, with 2nd, 3rd, or 4th…

As Wiegmann Associates celebrates it’s 25th anniversary, the firm was featured in this month’s Construction in Focus magazine. VIEW FULL PDF

Wiegmann Associates recently completed work on the new clubhouse at Bogey Hills Country Club in St. Louis, MO. After the original 55-year-old building was destroyed in a fire back in February 2017, Wiegmann was chosen as Engineer of Record and…

The St. Louis-based Wiegmann Associates, a national mechanical contractor, recently installed a museum-quality HVAC system at the historical Soldiers Memorial Military Museum in downtown St. Louis. The installation is part of a $30 million dollar renovation commissioned by the Missouri…

Wiegmann Associates of St. Charles has begun HVAC work on a new 16-story student housing project near Purdue University in West Lafayette, Ind. Wiegmann is serving as the engineer of record and design/build HVAC mechanical contractor for the project. The…

Nov 2, 2017 Wiegmann Associates won a Contracting Business Design/Build award for its work on the $18 million expansion of Hoffman Beverage in Chesapeake, Va. (Handout from Wiegmann Wiegmann Associates won a Contracting Business Design/Build award for its work on…