A different approach to ARCHITECTURE + engineering

Who we are

We walk fast, remain dynamic, and elevate the experience. With this all-in mentality, we deliver better solutions, faster.

Challenge Us
12
Business Units
14
Locations
12
Practice Groups
1
Team
0
Jerks Allowed
jerk (j-ér-k) An unlikable person; one who is self-serving, egotistical, rude, or small-minded; not a team player. “He was a jerk, so he doesn't get to carry an ISG business card.”
Antony: ISG employee owner.
What We Do

The ISG

Difference

We view the world through a dynamic lens. From this vantage point, we have a greater influence and can deliver a better design experience for clients and communities across our 12 business units.
‍
Understanding that the only constant is change, ISG stays ahead of the game by providing critical mission support to clients before, during, and after each project. With this all-in mentality, we are a true project partner and advocate to deliver better solutions, faster.
Commercial
Education
Food + Industrial
Government + Cultural
Healthcare
Mining
Public Works
Residential + Mixed-Use
Sports + Recreation
Telecommunications + Energy
Transportation
Water
Idea
Chat
Sketch.
It Starts
Here
A good idea has the ability to take on a life of its own. We've seen it before. Whether you are in an early stage with just a sketch on a bar napkin, or you are ready to get started on technical design documents, ISG is here to help bring your vision to life.
Our Work

Project Portfolio

View All
CSAH1 Improvements
Tasked to design the reconstruction for the County State Aid Highway (CSAH) 1 corridor–an important regional function between two major highways–ISG brought a multi-modal approach to the transportation improvement.
City of Owatonna North Cedar Avenue Streetscape
The City of Owatonna initiated a three-block streetscape improvement project for North Cedar Avenue to create an energetic downtown through improvements to traffic, sidewalk, pedestrian safety, parking, and landscaping.
City of West Des Moines HMA Resurfacing
The City of West Des Moines partnered with ISG on a hot mixed asphalt (HMA) resurfacing initiative aimed to minimize reflective cracking and prolong the life of heavily trafficked streets.
City of Kingsley Wastewater Treatment Plant
The City of Kingsley’s continuous discharge aerated lagoon was failing, reaching capacity, and not meeting Iowa’s updated water quality standards for National Pollutant Discharge Elimination System (NPDES) effluent limits.
Meskwaki Nation Recreation Center
The Meskwaki Nation Recreation Center addresses community needs by delivering a venue that encourages healthy lives, community fellowship, and cultural and historical preservation.
Brio Mixed-Use Development
In partnership with Merge Urban Development Group and Slingshot Architecture, ISG led the design of the Brio Building, a mixed-use development project that features commercial and residential space.
Sanford Sports Complex
The monumental task of designing a regional athletic destination required creating 18 synthetic multi-sport fields encompassing a span of 173 acres, into one of the largest active artificial turf projects in the country and included extensive multi-use amenities.
Terex Utilities Watertown Plant
Terex Utilities partnered with ISG to complete a review of their operations and a multi-state location evaluation that culminated in a new 415,000-square-foot facility on 80 acres.
UnityPoint Health + Wellness’ Prairie Parkway Campus
UnityPoint Health wanted to combine and consolidate multiple locations into one large campus to provide one-stop outpatient medical delivery services for the community.

What they're saying

"They’re persistent, talented, and insanely visionary. ISG has had a significant positive impact; they’re so much more than just an architect and engineer. They’re our partner, and we couldn’t and wouldn’t be doing this without them."
Anne Haber
Partner, Pendar Properties
“ISG is a large, professional firm with a personal, small town feel. I have found them to be dedicated, passionate, and very competent industry experts who often went the extra mile.”
Jim Folden
President, Lake Washington Improvement Association
Work With Us

Just Showing Up Isn't Enough

There’s a difference between getting the job done and getting the job done right. To bring you the most value, we operate as a true multi-disciplinary firm by investing in talented professionals with dynamic backgrounds and expertise.

Are you interested in joining us? Or working with us? Either way, we are excited to get to work.
Employee Experience
Join Us
Client Experience
Work With Us

Let's Chat.

Challenge Us
ISG architecture & design company. Let's get in touch.