Over 500 local consulting engineers, architects, area sheet metal contractors, mechanical contractors and industrial users, as well as code officials from the City of St. Louis, St. Louis County, St. Charles County and Jefferson County will be invited guests of SMACNA – St. Louis. Contractors of SMART Local 36, independent contractors, trade schools, public officials, and more will be in attendance. Last year's Trade Show featured dozens of exhibitors, hundreds industry experts, and over 500 attendees. With the new space, the event is expected to draw nearly a thousand individuals!