In 1973, two visionary engineers saw engineering as more than just problem-solving. They understood the power of relationships and set out to build meaningful local connections, shaping a future where people came first.
about us
A Different Approach
In the basement of a small-town home, a big idea was born.
Today, we are a dynamic, multidisciplinary firm with 18 offices across eight states, serving clients nationwide. While our team has grown and our reach has expanded, our commitment remains unchanged—we continue to prioritize the client experience in every decision we make.
Our MISSION
We exist to make a difference.
core values
Empathy
We are committed to understanding the context, needs, and goals of our clients, so that we can help them make better decisions, faster.
Dynamic
Change is the only constant. ISG embraces and influences change. We work to be better tomorrow than we are today.
Together
We value and challenge each other. Together, we make a difference for our clients and project partners.
Respect
We understand that respect is earned, not given. ISG works to earn respect and consideration.
Responsive
We are quick to respond. ISG proactively communicates and moves forward with urgency.
52
Years In
Business
Business
20
Best Places
to Work Awards
to Work Awards
#245
Top 500
ENR Ranking
ENR Ranking
48
Licensed
States
States
100%
Employee
Owned
Owned
AIA Iowa – 2025 Emerging Professionals Friendly Firm
Milwaukee Business Journal 2025 Best Places to Work
Zweig Group 2025 Trifecta Award
Zweig Group Marketing Excellence Award - Newsletter #1, Website #3, Internal Communication #3
Zweig Group Hot Firm #81
Best Firms to Work For 200+ Employees #23 + Best Firm to Work For Multidiscipline #42
2025 Top Design Firms – #245
AIA Iowa – 2025 Emerging Professionals Friendly Firm
Milwaukee Business Journal 2025 Best Places to Work
Zweig Group 2025 Trifecta Award
Zweig Group Marketing Excellence Award - Newsletter #1, Website #3, Internal Communication #3
Zweig Group Hot Firm #81
Best Firms to Work For 200+ Employees #23 + Best Firm to Work For Multidiscipline #42
2025 Top Design Firms – #245
Challenge Excites Us
Big ideas don't scare us. They inspire us.
Some are intimidated by challenges. Not us. We don’t shy away from challenges or complex concepts—we’ve built our business on them. We meet challenges by matching the right people with each project based on their local knowledge, expertise, and experience.
Featured Work
-1.webp)
-1.webp)
-1.webp)
-1.webp)
-1.webp)
-1.webp)
.jpg)
-1.webp)
_webfull_2.webp)
It's No Accident
Being owned by 100% of our employees is by design. Employee ownership fosters a culture of collaboration, investment, and commitment. Not everyone gets to carry an ISG business card, but those that do, own it!
.webp)
.webp)
.webp)
.webp)
