
The Sigma Group
Single Source. Sound Solutions.
Milwaukee, WI
Explore capabilities, project experience, and office locations to build your shortlist.

Single Source. Sound Solutions.
Milwaukee, WI

Water Resources Engineering and Hydrologic and Hydraulic Analysis.
Civil Engineering and Site Development Design.
Brandon, FL

Bridging grace and imagination with functionality while delivering pragmatic solutions.
Buffalo, NY+4

Building with Integrity. Designing for Tomorrow.
Douglasville, GA+1

Over 60 Years of Engineering Excellence.
Sioux Falls, SD+3

Diligent planning and civil engineering services in Florida
Lutz, FL

Delivering Timely Infrastructure Solutions
Jacksonville, IL+7
Multi-Disciplinary Engineering, Planning, Construction Management & Environmental Consulting
Hauppauge, NY

Reshaping California's infrastructure through innovative structural engineering and design

Engineering Solutions Since 1998
Ogden, UT

Transforming communities, one project at a time.
Portland, OR

Engineering Better Communities
Hobbs, NM

Pioneering Civil Engineering Excellence Since 1998
St. Louis, MO+4

Engineering, Surveying, Environmental & Planning Services
Missoula, MT+2

Civil Engineering and Cost-effective.
Bend, OR
A Better Experience
Madison, WI+4

It is by Logic that we prove, but by Intuition that we discover.
Chesterfield, MO

End to End Project Management & Inspection Services
San Juan, PR

Innovative Ideas | Exceptional Design | Unmatched Client Service
Columbus, OH

Reliable Civil Engineering Solutions
Houston, TX

Civil & Structural Engineering Solutions

Solutions with Sustainability & Growth
Herndon, VA

Leading and Supporting, We Build Florida's Future Together
Jacksonville, FL+3