Read ISG President and CEO Chad Surprenant's recent Zweig Group - Zweig Letter CEO spotlight where he shares leadership insight on leading what Zweig Group describes as a "top-flight" firm! Read the article here: ISG Zweig Group Newsletter

ISG is bringing back The Future of Southern Minnesota Lakes Conference for its fourth year from March 6–7, 2026 creating space for lake association members, environmental professionals, and community leaders dedicated to preserving and restoring Southern Minnesota lakes.


ISG launches the ISG Impact Fund to empower employee-driven philanthropy and strengthen communities. Celebrating Employee Ownership Month, the fund supports nonprofits aligned with ISG’s core values.

I&S Group (ISG), a full-service architecture and engineering firm with offices spanning seven states, has acquired Lift Environmental Design, an award-winning landscape architecture and planning firm in Durham, North Carolina.