Construction company Gillam Group is at No. 1 on the PROFIT 500 ranking of Canada’s Fastest-Growing Companies. Since 2011, the firm has clocked revenue growth of more than 29,000%. In 2016, its employee roster grew from 60 to 85, and the firm now has 30 active projects. While it’s not yet a household name in development circles, the company generated sales in the $50-to-$100-million range last year. A feature with Marcus Gillam, RSM MBA graduate, founder and CEO of Gillam Group.