Single Source. Sound Solutions. The Sigma Group is an environmental and civil engineering firm specializing in site development design, real estate due diligence, industrial process engineering, and environmental, health & safety management in local, national, and international markets.
The project. The client. The community. Sigma focuses on creating functional, innovative solutions that optimize results for all three. Our diverse range of services, expertise and can-do attitude enable our clients to achieve a successful balance between today's challenges and the long-term need to preserve important resources.
An example of our work: The Sheboygan Harbor has won numerous local and national awards.