ISG was recently recognized as one of the country's leading design firms by Engineering News-Record (ENR) magazine's annual industry rankings. The Top 500 Design Firms list ranks the largest United States based design firms, both publicly and privately held, based on design-specific revenue.
ISG, a firm founded in Mankato, Minn. and has grown to seven offices in three states with clients nationwide, is ranked at 452 in the 2016 list, surpassing last year's rank of 488.