Sigma Group

The Sigma Group, Inc. is an employee-owned civil and environmental engineering firm based in Milwaukee, Wisconsin. Established around 1991, the company specializes in sustainable solutions for site development and environmental consulting. With a team of approximately 88 to 500 staff members, it generates around $17.7 million in revenue. The firm offers a range of services, including civil design, geoscience consulting, facility services, and transaction due diligence. It operates primarily in the Great Lakes region while also supporting global companies. The Sigma Group is recognized for its commitment to sustainable practices and has received awards for its work in the engineering field. Key leadership includes President Kenneth Kaszubowski and other executives who guide the company's operations and strategic direction.