Business Details
35 Years
experience
Environmental Engineering Services Milwaukee
The Sigma Group is a Milwaukee-based environmental engineering firm dedicated to supporting client success through comprehensive planning, engineering, and construction solutions. Founded in 1991, we bring over three decades of experience serving private and public sectors, including manufacturers, real estate developers, utility companies, and government entities. Our multidisciplinary team of Professional Engineers, Geologists, and Surveyors specializes in civil/site engineering, environmental compliance, industrial hygiene monitoring, and subsurface soil and groundwater management. We prioritize sustainable outcomes, accountability, and creative problem-solving to deliver long-term value for stakeholders.Recognized as a Top 20 Wisconsin Engineering Firm and a Top 10 Largest Milwaukee Area Environmental Consultant, our core values emphasize teamwork, direct communication, and respect for client assets. With offices in Milwaukee, Racine, and Madison, we provide tailored solutions for complex challenges in site development, facility assessments, and environmental remediation. Our commitment to excellence is reflected in projects for iconic venues like American Family Field and Harley-Davidson Museum, demonstrating our ability to manage risks and ensure successful project outcomes.
Services
Civil Engineering
Environmental Compliance
Surveying
Construction Management
Facility Assessments
Subsurface Management
Geoscience Services
Details
- Year established: 1991
Highlights and features
- We have over 30 years of experience in environmental engineering and construction.
- Our team includes certified professionals in engineering, geology, and surveying.
- We prioritize sustainable solutions for long-term client success.
- We provide tailored risk management strategies for complex projects.
- We maintain accountability through direct and timely communication.
Services
Civil Engineering
Our civil engineering services focus on site development, infrastructure design, and construction management for commercial, industrial, and municipal projects. We provide permitting, stormwater management, and utility coordination to ensure compliance with regulatory standards. Our team delivers cost-effective solutions that balance functionality with environmental stewardship.
Environmental Compliance
We help clients meet environmental regulations through air quality monitoring, industrial hygiene assessments, and hazardous material management. Our experts conduct Phase I/II environmental site assessments and develop remediation plans for contaminated properties. Services ensure compliance with EPA, OSHA, and state environmental protection agencies.
Surveying
Our professional surveyors provide boundary, topographic, and construction layout services for development projects. Using advanced GIS technology, we create accurate mapping and spatial data for land use planning, infrastructure projects, and property condition assessments across Wisconsin.
Construction Management
We offer full-cycle construction management from pre-construction planning to project closeout. Our services include scheduling, budget oversight, quality control, and contractor coordination for civil and environmental projects. We act as the owner's representative to ensure timely, within-budget delivery of complex developments.
Geoscience Services
Our geoscience team specializes in subsurface investigations, groundwater monitoring, and soil contamination assessments. We provide PFAS testing, brownfield redevelopment strategies, and geotechnical analysis to support remediation and land development projects across industrial and municipal sectors.
Questions
What engineering services does The Sigma Group offer?
We provide civil engineering, environmental compliance, surveying, construction management, and geoscience services for commercial, industrial, and municipal clients.
How long has The Sigma Group been in business?
We've served clients since our founding in 1991, bringing over 30 years of experience in environmental engineering and construction.
What geographic areas do you serve?
While headquartered in Milwaukee, we serve clients throughout Wisconsin with offices in Racine and Madison, and handle projects across the Midwest.
Do you handle environmental remediation projects?
Yes, we specialize in environmental remediation including PFAS assessments, brownfield redevelopment, and contaminated site cleanup for public and private sector clients.
What industries do you work with?
We serve manufacturers, real estate developers, utility companies, government entities, and entertainment venues with tailored engineering solutions.
