Find engineering consulting firms by capability and location.

2IM Group, LLC is a Chicago-based civil, environmental, and transportation engineering practice. Now part of MacKay, it continues to deliver technical solutions across highways, roads, streets, aviation, rail, transit, utilities, and stormwater management systems while offering expanded resources and broader geographic reach.

Project: O'Hare Terminal 3, Concourse L Expansion

Civil & Environmental Engineering, Surveying

Service detail: Civil Engineering

Experts in Nuclear Operations and Waste Management Solutions

Service detail: Engineering and Project Management

Air. Land. Water.

Service detail: Air Quality and Environmental Compliance

Specialists in applied fluvial geomorphology and stream restoration

Project: Riverby Ranch Mitigation Site

Civil, Water Resources, and Environmental Engineering Services

Service detail: Water and Wastewater Engineering

Providing Quality Services for Over 30 Years

Project: Cumberland Levee Repair at Lake Texoma

See it. Solve it. Stand by it.

Service detail: Civil Engineering

Moving Our Communities Infrastructure Forward

Project: Gateway Park

Celebrating 70 Years of Engineering and Design

Project: Route 1 Improvements

Leaders in professional engineering for over 40 years

Project: Passamaquoddy Water Treatment Plant

Leaders in Design, Construction, and Environmental Services

Project: RDU Airport Terminal 2 Expansion

Professional environmental site assessments and due diligence services nationwide

Project: Windmill Farm Initial Planning Study

ACM Engineering & Environmental Services, Inc. is a national environmental and engineering services firm founded in 1988. AIHA LAP EMLAP and NVLAP-accredited laboratories in South Bend, IN and Tampa, FL support asbestos and mold sample analysis with same-day turnaround options. Field offices in Fort Wayne, IN and Fort Lauderdale, FL extend regional coverage across Indiana and Florida. ACM serves homeowners and businesses with asbestos inspection and testing, mold and lead services, indoor air quality assessments, radon testing, Phase I environmental site assessments, expert witness services, and professional engineering and environmental consulting.

Service detail: Asbestos Services

Civil, Coastal, and Environmental Engineering and Consulting Practice

Project: Arney's Mount West Trail

Mission-Driven.

Project: Naval Air Station North Island Soil Investigation

Empowering People. Enhancing Lives.

Service detail: Water and Wastewater Engineering

AECOM is a trusted global infrastructure firm delivering professional services spanning cities, transportation, buildings, water, new energy, and the environment. Founded in 1990, with predecessor firms dating back over 120 years, AECOM is ranked #1 in general building, transportation, and water by Engineering News-Record (2025), listed at #259 on the Fortune 500, and generated $16.1 billion of revenue in fiscal year 2024. AECOM delivers planning, design, engineering, consulting, and program and construction management services throughout the full project lifecycle.

Service detail: Planning and Design

Engineering, Surveying, and Inspections

Project: 95REVIVE Pottstown Expressway Reconstruction

Building America from the ground up since 1993

Project: I-405 Improvement Project

Professional problem-solvers achieving clients' goals and advocating their success

Project: Boer Dairy Expansion

Enhancing communities and the built environment.

Project: SFO Harvey Milk Terminal Boarding Area B

Innovative Engineering Solutions Since 1980

Project: I-75 (SR93A) Reconstruction, Hillsborough County

Multidisciplinary Engineering, Special Inspections & Expediting Services

Service detail: Structural Engineering