Welcome to Trinity Consultants Illinois

Trinity | Cerami – Longman Lindsey’s Chicago office is located in the center of the city’s thriving business hub at Central Loop. Our team has reshaped the Chicago skyline over the years, helping iconic buildings and spaces tell their stories through unparalleled acoustics, audiovisual, IT and security designs.

Trinity’s Chicago staff bring extensive hands-on experience with Illinois environmental permitting and compliance. Since 2000, Trinity’s Chicago office has locally served clients on more than 3,800 projects in a wide range of industries. With in-depth knowledge of the state and federal permitting and compliance processes, we support industrial clients with authorizing capital projects and enforcement negotiations with EPA Region 5 and the Illinois Environmental Protection Agency.

Illinois - Specific Expertise

Key Service Specifics by State Regulation

Trinity staff bring extensive hands-on knowledge of Alabama environmental permitting and compliance.

Explore Our Expertise

Learn about our services.

Acoustic Design & Engineering

Our experts support developers, architects, engineers, and facility owners through...
Learn More

Air Quality

Ensure air quality compliance with Trinity Consultants. We provide air permitting,...
Learn More

Building Technology & Security

Our security experts deliver integrated building technology and security services,...
Learn More

EHS Management

Help your business stay safe and compliant through expert EHS management services s...
Learn More

ESG and Sustainability

Build your ESG strategy with Trinity Consultants. We support decarbonization, susta...
Learn More

Fisheries, Aquatic & Marine

Our aquatic scientists, toxicologists, and marine ecologists deliver robust assessm...
Learn More

Process Safety

Ensure operational safety and compliance through process safety services, PHAs, mec...
Learn More

Water Quality

Protect your water resources through expert water quality monitoring, SPCC, SWPPP,...
Learn More

Can’t find what you need? Let us help you find the right service.

Trinity Consultants serves many areas over multiple industries. If you don’t see what you’re looking for here, check out the individual divisions to find it.

Environmental Consulting | Water & Ecology | Built Environment | Life Sciences

Meet the leaders behind our Illinois locations.

Our Illinois offices are here to serve your needs. Contact us today!

Built Environment Built Environment
Environmental Consulting Environmental Consulting
Life Sciences Life Sciences
Water & Ecology Water & Ecology

Chicago – LaSalle Street

Office Leader

Gregory Miller
Gregory Miller
Principal
Built Environment
231 S. LaSalle Street, Suite 2100 Chicago, Illinois 60604

Chicago – Meyers Road

Office Leader

Chloe S Reece
Chloe S Reece
Principal Consultant
Environmental Consulting
1801 S. Meyers Rd, Suite 350 Oakbrook Terrace, Illinois 60181

Illinois Resources

A Fresh Coat of Universal Waste Rules for Illinois
A Fresh Coat of Universal Waste Rules for Illinois
Read More
EHS Consulting for Illinois Industry Service Sheet
Jan 09, 2025
EHS Consulting for Illinois Industry Service Sheet
Read More
PM2.5 NAAQS Updates and Impacts to Illinois Air Permitting
PM2.5 NAAQS Updates and Impacts to Illinois Air Permitting
Read More

News

Training Courses

May 21, 2025
For more information on training courses, webinars, and seminars click below.
Read More