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

Best Engineering Solutions to Build Your Dreams

Project: DFW Airport Southwest End Around Taxiway - Drainage Design

Providing Engineering Solutions for Sustainable Infrastructure

Project: Lummus Park Waterfront Redevelopment

The people you know... The results you expect... The team you trust!

Project: Aviation Safety Knowledge Management Environment Program

ADC's Track Record Speaks for Itself

Project: CHS Taxiways Repair

Specialized electrical engineering for aviation, transportation, and facilities projects

Service detail: Electrical Systems Design

Providing responsive, innovative solutions in aviation, engineering, logistics, and program management services.

Service detail: Engineering Support

When Safety Is Critical.

Project: Applied Avionics DCU120 DAL A Certification Support

Aviation architecture, engineering, and prefabricated air traffic control cab fabrication.

Project: Orlando-Melbourne International Airport Improvements

An Aerodynamics Legacy Since 1971

Project: Sino-Swearingen SJ30

Full-service aviation and aerospace engineering house specializing in modifications and 24/7 AOG support

Project: C-130 Center Wing Replacement Engineering

ATCSI LLC delivers specialized services and technical solutions in air traffic control systems integration, shipboard systems, manned and unmanned air systems, and air traffic control procedures and policy development. It provides program management, task-based curriculum development, technical training, information analysis, digital data services, systems engineering, and strategic project planning. With a workforce of subject matter experts, the team supports complex aerospace, defense, and maritime programs.

Project: Naval Air Traffic Management Program Support

Transforming Today's Ideas Into Tomorrow's Reality

Project: South Terminal Complex

We empower our people to do good and help others with simple solutions.

Service detail: Test & Evaluation

Rapid Response. Proven Expertise. Global Reach.

Service detail: Aviation Engineering

Adacel Systems, Inc. supports aviation and defense customers from Orlando with air traffic management, digital tower, simulation, and training technology. Adacel combines REVAL digital ATC tower consulting, system design, development, deployment, and support; Aurora air traffic management system engineering, software development, test, and verification; MaxSim air traffic control simulation; and ICE aviation phraseology training tools.

Service detail: Digital ATC Tower Systems

Advanced Sciences and Technologies delivers systems engineering, test and evaluation, software development, and systems integration services for mission-critical defense, aviation, aerospace, and naval programs. The practice supports major federal agencies including the FAA, Department of Defense, and Department of Homeland Security, providing advanced combat systems development, air traffic management support, and complex software integration.

Project: US Navy Integrated Combat System Systems Engineering and Software Integration

Landing reliable solutions, together

Project: Taxiway C&D Reconstruction

Precision aerospace engineering, FAA certification, and inflight connectivity solutions.

Project: Piper M700 Fury RVSM Certification

Revolutionizing the aerospace industry through applied research and data analytics

Project: Weather Impact Analysis on Air Traffic

Strength in design. Safety in flight.

Service detail: Aerospace Structural Engineering

Aircraft Modification, Certification & Engineering Services

Project: Supervan 900 Engine Conversion

Expert engineering consulting and investigation services for aircraft accident investigation and reconstruction.

Project: TWA Flight 800

Moving at the Speed of Business

Project: Cape-Atlantic UAS Test Range