Sheet Metal & Air Conditioning Contractors’ National Association

Events & Education


SMACNA Annual Convention 2019

Carol Duncan


Owner and CEO
General Sheet Metal

Carol Duncan is the owner and chief executive officer of General Sheet Metal, Inc. (GSM) in Clackamas, Oregon. She entered the sheet metal industry in 1982 as a controller in her family’s business. 

Founded in 1932, GSM is a multifaceted provider of construction services spanning commercial HVAC, industrial sheet metal, design/build, and architectural sheet metal. GSM fabricates and installs dry side mechanical sheet metal, architectural metals specialty metal fabrication and service. GSM employs approximately 200 sheet metal workers and 50 non bargaining employees and has been on the list of Oregon’s Best 100 Companies to work for nine of the last ten years.

Duncan has taken an active role in legislative activities, including giving Congressional testimony on Capitol Hill. She has chaired SMACNA’s Legislative Committee, SMAC PAC Committee, and Political Pacesetters Council. She received SMACNA’s Legislative Contractor of the Year award in 2013, and in 2014, she was inducted into SMACNA’s College of Fellows. 

Session Detail: JATC Best Practices – Building for the Future of Recruitment, Retention, Development and Technology