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 Design, Construction, and Environmental Services

Project: RDU Airport Terminal 2 Expansion

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

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

Innovative Engineering Solutions Since 1980

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

Experts in Environmental Services

Service detail: Environmental Engineering Consulting

From Start-to-Finish with Real People in Mind

Service detail: Civil Engineering

APS Lays the Foundation for a Better World

Service detail: Geotechnical Engineering

Value engineering to build a safer tomorrow.

Service detail: Geotechnical and Geological Studies

ASA Engineering & Surveying, LLC is a South Georgia engineering consultancy based in Valdosta, established in 1988, offering civil engineering, environmental engineering, land surveying, and aerial mapping services. Over 85% of business comes from repeat clients across commercial, residential, industrial, and governmental sectors. ASA is Georgia Department of Transportation Pre-Qualified, recognized by the Georgia EPD for exemplary erosion control and environmental plans, and holds FAA Part 107 certification for drone-based aerial mapping.

Service detail: Civil Engineering

Staffing - Construction - Remediation

Service detail: Project Staffing