SMART, the International Association of Sheet Metal, Air, Rail and Transportation Workers, provides a professionally trained work force that demonstrates excellence, reliability, productivity and integrity. These craftspersons ensure the quality of air inside buildings and promote energy efficiency.

SMART is one of North America’s most dynamic and diverse unions with 216,000 members. It includes HVAC and testing and balancing technicians, detailers, welders, and more. SMART advocates for fairness in the workplace, excellence at work and opportunity for all working families.