ISG has diverse expertise in multiple areas. We have built a team of architecture, engineering, environmental, and planning professionals who offer comprehensive design solutions.
We strategically span geographies to ensure you have the right experts in your corner and a team that approaches each project from the seat of an owner to bring you the greatest value.

View our interactive hub and explore cutting-edge tools, technologies, and geospatial solutions powering ISG’s work across disciplines. Dive in to see how ISG brings ideas to life through technology.
"ISG is a trusted design partner that solves problems before they arise. The culture of ISG is reflected in the interactions with each ISG team member. The employee owners take an elevated sense of purpose into each client engagement."

ISG operates as a one-firm profit center. This approach allows us to put together the most effective team for each project, pulling from all areas of expertise to deliver solutions that inspire, excite, and get the job done.
Our 100% employee-owned firm supports collaboration and fosters a deep personal investment in our clients’ success. We take on each client’s passion, perspective, and project as our own.






South Tama County Community School District and ISG received a 2026 Project of the Year Award from the American Public Works Association Iowa Chapter for the South Tama County Middle School Campus Renovation.

The Fall 2026 Architecture and Interior Design Awards of Excellence, presented by Learning By Design, honors exemplary PK-12 and post-secondary learning environments.
