
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

Multi-discipline geotechnical, structural, and environmental engineering services

Architectural, Engineering, and Building Inspection Services
Outer Banks, NC+1
Professional. Practical. Proven.
Kennesaw, GA+18

Exceeding expectations through innovative solutions for over 85 years.
Oklahoma City, OK

Integrity - Experience - Growth, Since 1958
Madisonville, KY+2

Experts in Nuclear Operations and Waste Management Solutions
Hixson, TN

Environmental, Safety & Technical Solutions
Grand Prairie, TX+1

Multi-disciplinary engineering and environmental consulting
Pittston, PA

An integrated multi-disciplinary engineering, planning, and surveying practice.
Portland, OR+4

Certified Precision. Proven Performance.
Vega Baja, PR

Innovative & Reliable
Glen Allen, VA
Good engineering is green engineering
Berkeley, CA

Building Trust and Strong Working Relationships Through Technical Competence, Professionalism, and Leadership

Alaska's Leader in Hazardous Building Materials Identification and Abatement Design
Eagle River, AK

Listening to What Our Clients Want, Delivering Solutions.
Ontario, CA

Building Relationships That Span Generations
Omaha, NE+1

Civil Engineering and Transportation Infrastructure.
Valdosta, GA
Unique Capabilities, Depth of Knowledge, and Valuable Industry Insight
Fort Lauderdale, FL

Civil Engineering Consultants with Experience
Lake Como, NJ+13

The Benchmark for Professional Services
Birmingham, AL+4
Professional civil engineering services with an emphasis on structural and geotechnical engineering
Improving Communities. Creating Environments.
Sunrise, FL+3

Engineering a more resilient earth. And a more sustainable world.
Northville, MI