The Sigma Group, Inc. Employee Directory
Environmental ServicesWisconsin, United States51-200 Employees
The Sigma Group, Inc. is an employee-owned environmental consulting and engineering firm headquartered in Milwaukee, Wisconsin, serving clients in Southeastern Wisconsin. Its service platform covers the full lifecycle of environmental and site projects, including due diligence, subsurface investigations of soil, groundwater, and vapor, and the development and implementation of remedial strategies. The firm also delivers civil and site engineering, landscape architecture, environmental compliance, and turnkey wastewater treatment system design, along with health and safety, process and controls engineering, design and fabrication, surveying, construction management, facility planning, and related assessments. The Sigma Group serves clients facing environmental, regulatory, and infrastructure challenges, helping manage risk and compliance while delivering project outcomes. In the environmental services and consulting engineering landscape, it positions itself as a regional provider offering integrated capabilities across disciplines. The firm is based in Milwaukee and employs a local mid-sized team.
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