The Zweig Group Hot Firm List recognizes the 100 fastest-growing architecture, engineering, planning, and environmental consulting firms in the United States and Canada. In an industry comprised of over 100,000 firms, the Hot Firm List highlights those that have outperformed the economy and competitors to be leaders in their fields. With the number of submissions growing each year, ISG earned the 58th spot on the 2016 list.To view the complete list, please visit: https://zweiggroup.com/awards/the-zweig-letter-hot-firm-list/
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The Spring 2026 Educational Facilities Design Awards, presented by Learning By Design, honors education projects that demonstrate design excellence, innovation, and meaningful impact on student experience, with recipients selected through a blind peer review process from 52 submissions.

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ISG’s Martin County Ditch No. 28 Nutrient Treatment Train project has received two honors: the 2026 ACEC Minnesota Engineering Excellence Grand Award and the ACEC National Engineering Excellence Award, recognizing innovative engineering solutions that improve drainage performance while protecting water quality.