About Sigma Group
The Sigma Group is a Milwaukee-based civil and environmental engineering firm established in 1991. With over 30 years of experience, the company focuses on sustainable solutions for the built environment, serving both private and public sector clients. The Sigma Group is recognized for its commitment to teamwork, accountability, and innovative problem-solving.
Min project size
50,000+
Hourly rate
50 / hr
Employees
150
Locations
United States
Year founded
Founded 1986
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