The Sigma Group, Inc. (Sigma) is a full-service consulting and civil engineering firm. Our Milwaukee-based staff of over 70 and growing includes registered professional engineers in civil, environmental, and chemical disciplines; registered land surveyors; construction inspectors; certified asbestos supervisors / inspectors; certified lead inspectors / risk assessors; Certified Hazardous Materials Managers, professional geologists and hydrogeologists, as well as additional engineering technicians, scientists and compliance specialists.
Sigma’s primary function is to help clients manage their costs for development, redevelopment, operations and facility improvements as well as manage environmental, health and safety aspects of their businesses. 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. Sigma brings a common-sense and fiscally responsible approach to create sustainable solutions to client challenges. Sigma methodologies help clients promote a positive image in the community, with government and in the marketplace.
Sigma is recognized as an innovator in sustainable design and business practices. You will find us a reliable partner for engineering solutions for infrastructure and site improvements, environmental restoration, manufacturing processes and site and facility development.
Sigma incorporated in 1991 as Sigma Environmental Services. In 2000, Sigma chose to redevelop a brownfield site as its headquarters in Milwaukee’s historical industrialized Menomonee Valley to showcase its commitment to sustainable practices, both as an organization and as a service provider. Our headquarters building won the Mayor’s Landscape Design Award (2008) and Mayor’s Design Award (2004) .
Our roots are grounded in Milwaukee’s industrial and manufacturing cores. Over three decades our company has evolved into a full service consulting firm offering creative, efficient and cost effective solutions to a wide range of customers.
Recognizing the growth of our services we provide to the marketplace, our name was changed to The Sigma Group, Inc. in 2013.
The Sigma Group provides a diverse range of consulting and engineering services to our clients, both public and private. We provide results-oriented services, assisting to define and solve “the right” problems for clients to achieve their goals. We seek to exceed expectations, and to create clients for life.
The Sigma Group, Inc. is privately held. In 2013, the majority and minority shareholders sold existing shares to an Employee Stock Ownership Plan (ESOP) making every employee at The Sigma Group, Inc. an owner with shares of stock held in a Trust and administered by a Trustee.