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
Committed to Outstanding Quality and Cost-Effective Services

Sustainable Solutions for Real World Needs
Gadsden, AL

Providing high-quality transportation, infrastructure, and site development-related engineering services.
Barboursville, WV

Transportation and Transportation Planning.
Rock Hill, SC

Thirty-Five Years of Construction Admin Experience
Aberdeen, SD+1
Engineering Quality in Every Project
St. Croix, VI
More Options. Fewer Surprises. Better Outcomes.
Miami, FL+13
Cleveland's Premier Engineering & Surveying Firm Since 1969
Strongsville, OH

Civil Engineering Design and Construction Management and Highway design.
Flint, MI

Exceptional People Deliver Exceptional Results.
Tampa, FL+1

Project Development and Environmental (PD&E) Studies and Conceptual Roadway Design.
Tampa, FL

Designing Today the Puerto Rico of Tomorrow
Guaynabo, PR

Partners for What's Possible
Philadelphia, PA

Architecture and Mechanical, Electrical, Plumbing and Fire Protection Engineering.
Penfield, NY+6

Client-Driven Engineering
Irvine, CA

Solving your toughest science and engineering challenges
Transportation engineering services specializing in roadway design, traffic safety operations, and precise traffic data collection.
Miami, FL+1

HMB Delivers Quality Solutions
Frankfort, KY

From Concept to Completion, We Deliver.
Miami, FL

Lean into the future with us.
Orlando, FL+4

Innovative and cost-effective infrastructure engineering solutions
Pembroke Pines, FL

Civil Engineering At Its Finest, Serving You Since 1922
Topeka, KS

Civil Engineering and Surveying for the Kansas City Region
Overland Park, KS