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

Your Trusted Engineering Partner

Service detail: Land Development

Colorado Civil, Structural, & Land Surveying Experts

Project: Love's Travel Stop & RV Park Designs

Providing Quality Services for Over 30 Years

Project: Cumberland Levee Repair at Lake Texoma

Civil Engineering, Land Planning and Surveying Services for Developers in Columbia, Boone County, and Mid-Missouri

Project: Vineyards Plat 6

A&R Engineering is a civil engineering firm specializing in traffic and transportation engineering, headquartered in Marietta, Georgia. A&R has served clients across Georgia, South Carolina, and Alabama for over 20 years, guiding projects from due diligence through construction completion. The team works with developers, architects, attorneys, and public agencies on retail, residential, industrial, mixed-use, educational, and medical developments, delivering traffic impact studies, intersection and signal design, permitting support, construction oversight, and expert witness services.

Service detail: Traffic Studies

Multidisciplinary engineering and support services in the Baltimore-Washington area

Project: WMATA Bus System Renovations

Driving Innovation and Digitization in Engineering

Service detail: Civil and Infrastructure Engineering

Civil Services with a Forward-Thinking Approach

Project: VIA Park and Ride at Stone Oak

Practical Solutions. Designed to Last.

Service detail: Civil Engineering

Engineering with integrity & purpose.

Project: The Virginia Vanguard

AQA Engineering (A Quality Approach) is a professional civil engineering firm in Duluth, Georgia, specializing in certified site plans, erosion control, stormwater management, and hydrology services for residential and commercial projects. AQA serves clients across Cobb, Fulton, Gwinnett, DeKalb, Cherokee, Forsyth, and surrounding Georgia counties.

Service detail: Certified Site Plans

Value engineering to build a safer tomorrow.

Service detail: Geotechnical and Geological Studies

AVEC, Inc. provides expert technical assistance in the analysis and control of noise and vibration in mechanical systems. Capabilities span phased array design and software, tire-pavement noise measurement (OBSI), road surface sound absorption (ROSSA), propeller noise prediction, structural analysis using FEM and BEM, unsteady aerodynamics, and machinery fault diagnostics. Past clients include NASA Langley Research Center, the Japan Aerospace Exploration Agency, Boeing, Siemens, and the US Air Force.

Service detail: Noise and Vibration Engineering

Engineering Excellence

Project: Casper's West Belt Loop Road

Quality, innovative, and cost-effective consulting engineering solutions

Service detail: Geotechnical Engineering

Unwavering Quality. Reliable Results.

Project: Pierre SD Wastewater Treatment Plant

From Blueprint to Reality

Service detail: Civil Engineering

Geotechnical, Civil, and Structural Engineering Across California and the Western States

Project: LA Metro Gold Line - MSE Wall

Crafting sustainable solutions that enrich lives

Service detail: Transportation Engineering

Texas Civil Engineering Professionals

Project: Iowa Colony City Engineer

Leading in Asphalt Testing and Equipment

Service detail: Asphalt Material Testing Services

Begin with the End in mind

Service detail: Civil-Site Engineering

Partnering to Build & Protect What Matters Most

Project: ADOT I-10 Tucson Reconstruction