Infrastructure Design Group, Inc.
Small Firm. BIG Experience.
Sioux Falls, SD+2
Explore capabilities, project experience, and office locations to build your shortlist.
Small Firm. BIG Experience.
Sioux Falls, SD+2
Intelligent Infrastructure. Enduring Communities.

Integrated multi-disciplinary engineering, architecture, and consulting services
Irvine, CA

Engineering the Extra Mile
Marietta, GA+2

Civil Engineering and Water and Wastewater.
Durango, CO

Precise. Responsive and Budget Conscious.
Carlsbad, CA

Solutions are our mission.
Lexington, KY+1

Providing Quality Services for Over 30 Years
Tulsa, OK+3

A Diversified, Multi-Disciplined Consulting Engineering Firm
New York, NY+2

HMB Delivers Quality Solutions
Frankfort, KY
Planning and Feasibility Studies.
Tucson, AZ

Civil Engineering and Civil Engineering Design.

No Job is Too Big.
Milwaukee, WI+10

Your success is our success; together we shape the spaces that move communities forward.
Holmdel, NJ

Transportation Engineering and Structural Engineering.
Chicago, IL+3

Solving your toughest science and engineering challenges
Thoughtful Innovation And Highly Responsive Civil Engineering Services
Honolulu, HI

Engineering, from the ground up.
Chicago, IL

Civil Engineers & Land Surveyors
Mitchell, SD+1

Engineering That Moves Complex Projects Forward
St. Louis, MO+1

Civil Engineering and Site Development.
Knoxville, TN
Where Accuracy Meets Practical Design
Ogallala, NE+2

Site Development and Site Grading.
Gallatin Gateway, MT

Site Development and Land planning and site design.
Asheville, NC