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

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

Engineering for an Integrated World

Project: Denver Central Business District - Traffic Signal Retiming

Specialized electrical engineering for aviation, transportation, and facilities projects

Service detail: Electrical Systems Design

Best-In-Class Engineering Expertise

Project: Fremont Blvd/Old Warm Springs Blvd - New Signal

Engineering with integrity & purpose.

Project: The Virginia Vanguard

Empowering organizations through technology

Service detail: Software Development

Serving S. Oregon and N. California Since 1983

Project: Klamath Irrigation District - C-Flume Replacement

Bringing your ideas to life from concept to production.

Service detail: PCB Design and Reverse Engineering

Engineering design, construction support and construction inspection services for transportation infrastructure

Project: Route 440 Ramp Over Route 35 Bridge Deck Replacement

Consultants, engineers, and trusted advisors improving infrastructure and quality of life.

Project: NYS Thruway Bridges Biennial Inspection

Build Things That Matter.

Project: Captify

Safety focused. Mobility Driven.

Service detail: Roadway Design

Apex Engineering Group brings clarity and confidence to complex engineering projects.

Project: City of Detroit Lakes, MN Municipal Engineering Services

Bridging the Gap Between Operations and Technology

Project: Special Operations Command (SOCOM) Targeting and Training Element (STTE) Contract

Making Change Possible

Service detail: Civil Engineering

Providing practical design and implementation expertise to create viable transportation engineering solutions.

Project: I-95 Resurfacing, Bridge Rehabilitation and Safety Improvements

Engineering | Surveying | Solutions

Project: Intersection Improvements at Highway 18 and Louis Wilson Drive

Telecommunications, RF engineering, and cloud architecture consulting

Service detail: Telecommunications & RF Engineering

Traffic Engineering, Intelligent Transportation Systems

Project: TDOT I-440 Design-Build

Information Technology Consulting

Service detail: Systems and Software Engineering

Moving You Forward

Service detail: Traffic Planning and Transportation Engineering

Partners in Reliability, Resilience, Innovation, Sustainability, and Safety

Project: Pittsburgh International Airport Terminal Modernization Program

Engineering A Better World

Project: Pegasus Water Fountain at Gulfstream Park