Wiegmann Associates has been named as one of the top subcontractors in the US by COMPASS on their inaugural Select List, which recognizes firms that outperform industry averages. COMPASS provides an unbiased 3rd party assessment of subcontractors based on transparency and performance across finance, business and health and safety metrics.

Wiegmann Associates is a St. Louis-based mechanical contractor serving the commercial, industrial and institutional markets, and a national leader in design/build HVAC projects. Since 1995, Wiegmann Associates has engineered and installed innovative, energy-saving and cost-efficient HVAC solutions and automation controls for clients in a wide range of industries. Wiegmann also provides 24-hour preventative maintenance programs and service in the St. Louis region.