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

Leaders in Design, Construction, and Environmental Services

Project: RDU Airport Terminal 2 Expansion

Cost Effective Engineering

Service detail: Naval Architecture and Marine Engineering

Enhancing communities and the built environment.

Project: SFO Harvey Milk Terminal Boarding Area B

Advantus Engineers is a Pittsburgh-based engineering consulting practice founded in 2004, specializing in building commissioning, sustainability consulting, MEP assessments, construction quality assurance, and environmental compliance. It serves public, institutional, and commercial clients across the Pittsburgh region. Over more than two decades, the practice has supported LEED certifications, water quality programs, and on-call MEP engineering for clients including the Pittsburgh Water and Sewer Authority and the David L. Lawrence Convention Center.

Project: Western Butler County Authority Administration Building

Collaborate. Innovate. Create.

Project: Southwest Wyoming Regional Airport Terminal Expansion and Modernization

Fuel Connects People. And Protects Them.

Project: Boise Airport New Fuel Facility

Making Our Clients Successful

Project: Replacement Passenger Terminal

Building a better tomorrow through sensible engineering solutions

Service detail: Transportation and Highway Systems

Elevating infrastructure, together.

Project: Riverside Drive Riverfront Redevelopment

Small-Town Service, Big-Time Experts

Project: Choteau Wastewater Collection and Treatment Plant

Providing Service with Excellence

Project: Marine Corps Air Station Iwakuni (MCASI)

Endesco, Inc. is a multi-discipline civil engineering design, consulting, and construction management firm founded in 1997 and headquartered in Rockville, Maryland. It specializes in water resources, transportation planning and traffic engineering, roadway and lighting design, environmental studies, GIS, and project and construction management, primarily serving state DOTs, transit authorities, counties, cities, and federal agencies across the Washington, DC/Baltimore metro region and beyond.

Project: Transform I-66 Outside the Beltway (Express Lanes), Northern Virginia

Engineering Design Technologies (EDT) is a fully integrated engineering and design-build firm founded in 1993 and headquartered in Marietta, Georgia. EDT delivers multi-discipline engineering, architecture, construction, and program management across federal, municipal, commercial, healthcare, aviation, and transportation markets from seven offices spanning the Southeast, Mid-Atlantic, and US Virgin Islands. Its four divisions cover engineering, architecture (EDT-THA), construction (EDT Constructors), and development (EDT Development).

Project: CDC Emergency Operations Center

The Consultant of Choice for Aviation and Surface Transportation Projects Across the Southeast

Project: Emergency Bridge Package 2018-2A

A Full Service Transportation Consulting and Design Firm

Project: NC-540 (Triangle Expressway SE Extension)

Engineering an Innovative Future

Project: Moore Field Airport (Formerly Moore Air Base)

Strategic Engineering Solutions that Exceed Expectations

Service detail: Geotechnical Engineering

Expect More. Experience Better.

Project: RUS Bus Transit Facility

. Client Focused.

Project: Ranew's E-Coat Masterplan

Leaders in Our Field

Project: Springfield I-91 Bridge Project

Smart Engineering. Real-World Impact.

Project: Allendale Fish Screen

Engineering trust.

Project: Baylor Scott & White Medical Center and Clinic in Pflugerville

Bringing infrastructure projects to fruition through our talented team of technical professionals.

Service detail: Engineering