Great Lakes E&I was founded to provide high-quality environmental remediation and infrastructure technology solutions to public and private sector clients.

Our parent company’s 128 year legacy in the industry gives us the unique ability to partner and perform reliably across a range of projects as well as plan and build a more successful future for you. We stand proud of GLDD’s reputation for high-quality project performance and client satisfaction, while never failing to complete a project.

We are one of the largest environmental construction companies in the United States offering remediation and infrastructure solutions across the country. Key management personnel have a combined 200 years of experience delivering hundreds of safe and successful projects in a variety of settings utilizing innovative technical solutions and implementation strategies that render the best possible value. At Great Lakes E&I, client partnership is paramount, from initial project development and engineering design through field construction and remedy implementation.


Headquartered in Oak Brook, Illinois, Great Lakes E&I is a subsidiary of Great Lakes Dredge and Dock (GLDD), a leader in the building and maintenance of the nation’s navigation system, the protection of shorelines, the restoration of sensitive habitats, and the creation of critical aquatic infrastructure. Great Lakes E&I, along with our parent company, GLDD, is committed to delivering innovative and high-quality workmanship to our clients while executing every project with a focus on employee safety. GLDD has never failed to complete a project, and Great Lakes E&I is proud to carry on this successful tradition.


At Great Lakes E&I, our vision is to deliver safe and sustainable environmental and infrastructure solutions that lead industry standards and satisfy the needs of our clients.


The mission of Great Lakes E&I is to safely execute each and every project with an eye toward excellence, giving our clients the solutions they seek, the reliability they want, and the results they need.


  • Safety
  • Customer Focus
  • Best People
  • Innovation



Phone: 916.462.6400
6558 Lonetree Blvd.
Rocklin, CA 95765

Equipment Yard
3915 Progress Drive
Rocklin, CA 95765
(For GPS, enter city of ROSEVILLE, 95747)



Phone: 720.266.6030
6025 South Quebec Street, Suite 300
Centennial, CO 80111


FLORIDA project offices

Phone: 321.243.2339


Phone: 678.280.7200
925 Sanders Road, Suite A
Cumming, GA 30041



Phone: 630.574.3000
2122 York Road
Oak Brook, IL 60523



Phone: 269.488.0972
470 W Centre Avenue, Suite C
Portage, MI 49024


Phone: 732.451.7846
Brielle Professional Center
718 Union Avenue, Suite 3
Brielle, NJ 08730



Phone: 940.381.6600
3541 Teasley Lane, Suite 200
Denton, TX 76210