Business Logo

I+S Group

1725 North Lake Avenue • Storm Lake , IA 50588
(P) 712.732.7745  

Click to Activate
Tom Grafft

Company Description:

With offices in Storm Lake, Algona and Des Moines, I+S Group (ISG) is committed to investing in Iowa communities and serving Iowa businesses and residents. ISG is a professional consulting firm providing exceptional architecture, engineering, environmental and planning strategies and services to a wide range of markets nationwide. With 150+ staff members in seven offices throughout Iowa, Minnesota, and Wisconsin, ISG fosters strong collaboration between disciplines providing clients a diverse knowledge base, a high level of creativity and broad perspective to responsively deliver integrated solutions with focused, dynamic expertise. Visit our website at