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

Air. Land. Water.

Service detail: Air Quality and Environmental Compliance

Moving Our Communities Infrastructure Forward

Project: Gateway Park

Celebrating 70 Years of Engineering and Design

Project: Route 1 Improvements

Applying the Latest Technology

Service detail: Civil Engineering

Providing Engineering Solutions for Sustainable Infrastructure

Project: Lummus Park Waterfront Redevelopment

Civil and Structural Engineers Montana

Project: Flathead Lake Engineered Septic System

Multidisciplinary engineering and support services in the Baltimore-Washington area

Project: WMATA Bus System Renovations

Civil & Structural Engineering, Design Services, General Contracting, and Construction Management

Project: Washington Avenue Streetscape Project

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

Innovative Engineering Solutions Since 1980

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

AKRF is a multidisciplinary consulting and engineering firm with more than 400 employees across 16 offices and remote locations nationwide. It provides integrated environmental, planning, engineering, and technical services to clients in land development, transportation, energy, and water sectors. AKRF's expertise spans environmental impact assessment, civil engineering, traffic and transportation planning, acoustics, geotechnical engineering, water resources, site remediation, landscape architecture, and climate resilience and adaptation.

Service detail: Environmental Services

Practical Solutions. Designed to Last.

Service detail: Civil Engineering

Delivering quality solutions - by providing service through integrity

Service detail: Geotechnical Engineering

Engineering with integrity & purpose.

Project: The Virginia Vanguard

From concept to close-out.

Project: 1400 Chestnut Street Apartments

Engineering Innovative Solutions

Service detail: Environmental Planning

Transforming Today's Ideas Into Tomorrow's Reality

Project: South Terminal Complex

Many Disciplines One Team

Project: Haven Hollow Park Improvements

Crafting sustainable solutions that enrich lives

Service detail: Transportation Engineering

Accompong Engineering Group, LLC offers civil and transportation engineering, planning, and program and project management services. It works with public and private sector clients, including departments of transportation, municipalities, state and federal agencies, contractors, and consultants.

Project: Frederick Douglas Memorial Bridge

architects + engineers

Project: Big M Building Reimagining

Improving Mobility and Access

Project: Link21 Program's New Transbay Rail Crossing