Public engineering firm directory

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2M Associates, LLC

Dallas, TX

Best Engineering Solutions to Build Your Dreams

WebsitePhone1 office5 projects2 credentialsFounded 2009Updated Jun 2026

Project: DFW Airport Southwest End Around Taxiway - Drainage Design

Service: Water and Wastewater DesignService: Hydrologic/hydraulic AnalysisService: ModelingIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+57 more

ATCSI LLC

Chesapeake, VA

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.

Website1 office2 projects4 leadersFounded 2012Updated Jun 2026

Project: Naval Air Traffic Management Program Support

Service: Air Traffic Control Systems IntegrationService: Air Traffic Control Procedure and Policy DevelopmentService: Air Traffic Control SimulationIndustry: DefenseIndustry: AviationType: Aerospace Engineering+19 more

Adacel Systems, Inc.

Orlando, FL

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.

WebsitePhone1 office3 credentialsUpdated Jun 2026

Service detail: Digital ATC Tower Systems

Service: Digital ATC Tower SystemsService: Aerodrome System IntegrationService: Remote Tower ArchitectureIndustry: AviationIndustry: AirportsType: Aviation Engineering+19 more

Advantage Engineering Associates, P.C.

Cranbury, NJ

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

WebsitePhone2 offices8 projects10 leadersFounded 2004Size Estimate: 70-249 employees

Project: Route 440 Ramp Over Route 35 Bridge Deck Replacement

Service: Transportation EngineeringService: Highway and Traffic EngineeringService: Intelligent Transportation Systems (ITS) EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+26 more

Air Traffic Engineering Company LLC

Northfield, NJ

Air airspace modernization, modeling, and simulation engineering

WebsitePhone1 office4 projects8 leadersFounded 2006Updated Jun 2026

Project: Airport Facilities Terminal Integration Laboratory (AFTIL) Support

Service: Modeling & SimulationService: Airport Modeling and SimulationService: Dynamic Real-Time Air Traffic SimulationIndustry: AviationIndustry: TransportationType: Transportation Engineering+24 more

Airde Elevated Thinking LLC

Egg Harbor Township, NJ

Moving at the Speed of Business

Website1 office5 projects2 leadersFounded 2021Size Estimate: 1-10 employeesUpdated Jun 2026

Project: Cape-Atlantic UAS Test Range

Service: Advanced Air Mobility (AAM) Concepts and SolutionsService: Urban Air Mobility (UAM) / Urban Traffic Management (UTM) / Enhanced Traffic Management (ETM)Service: Cooperative OperationsIndustry: AviationIndustry: FederalType: Aviation Engineering+23 more

Aviation Consulting Services (ACS) International LLC

Kearny, MO

Excellence Through Quality

WebsitePhone1 office8 projectsUpdated Jun 2026

Project: Egyptian Air Force ATC Systems

Service: Aviation Systems EngineeringService: System Definition, Specification, and SitingService: Computer Performance ModelingIndustry: AviationIndustry: AerospaceType: Aerospace Engineering+13 more

C2 Consulting Collective

San Diego, CA

Mobility & Technology in Transportation

WebsitePhone1 office3 projects4 leaders5 credentialsSize Estimate: 1-10 employees

Project: Petco Park Gallagher Square 20th Anniversary

Service: Transportation Planning and EnvironmentalService: Vehicle Miles Traveled AnalysisService: CEQA and NEPA SupportIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+56 more

CHA Consulting, Inc.

Albany, NY

Creating solutions. Helping people. Improving our world.

Website2 offices4 projects10 leaders5 credentialsFounded 1952Size Estimate: 2,100+ employees

Project: I-91 Interchange 29 Flyover Bridge and Charter Oak Bridge

Service: Transportation SolutionsService: Bridge design, analysis, and reconstructionService: Highway and roadway designIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+96 more

Cavan Solutions Inc

Washington, DC

Your trusted advisor in the world of aviation!

Website1 office6 projects9 leaders1 credentialsUpdated Jun 2026

Project: Air Traffic Flow Management (ATFM) Enhancement

Service: Analytics and AssessmentService: Data AnalyticsService: Operational Needs AssessmentIndustry: AviationIndustry: SpaceType: Aviation Engineering+14 more

DTIS, LLC

Our experts bridge the gap between concept development and delivery

Website2 leaders1 credentialsFounded 2008Updated Jun 2026

Service detail: Air Traffic Management

Service: Air Traffic ManagementService: Air Traffic Operation IntegrationService: NAS Policy ExpertiseIndustry: Automation & ControlsIndustry: AviationType: Automation & Controls+22 more

EJES Inc

Dallas, TX

Providing Service with Excellence

WebsitePhone5 offices9 projects1 credentialsUpdated Jun 2026

Project: Marine Corps Air Station Iwakuni (MCASI)

Service: Civil EngineeringService: Roadway DesignService: Bridge DesignIndustry: GovernmentIndustry: FederalType: Architecture & Engineering+45 more

Foth

Solving your toughest science and engineering challenges

Website6 projectsUpdated Jun 2026

Project: Mississippi River Black Hawk Bridge at Lansing

Service: AviationService: Airside EngineeringService: Runways, Taxiways, and ApronsIndustry: AirportsIndustry: AviationType: Automation & Controls+111 more

Infra Tech Engineering, LLC

New York, NY

Let Us Show You How.

WebsitePhone1 office6 projects2 leaders1 credentialsFounded 1983

Project: NYSDOT - Route 347 Reconstruction

Service: Traffic and Transportation EngineeringService: Traffic Signal Design and AnalysisService: Transportation Management PlansIndustry: TransitIndustry: TransportationType: Civil Engineering+33 more

Infrastructure Consulting & Engineering, LLC

West Columbia, SC

A Full Service Transportation Consulting and Design Firm

WebsitePhone15 offices6 projects5 credentialsFounded 2005Size Estimate: 500-1,000 employees

Project: NC-540 (Triangle Expressway SE Extension)

Service: Roadway and Highway DesignService: Roadway widening and extensionService: Major interchange and intersection designIndustry: TransportationIndustry: GovernmentType: Civil Engineering+85 more

Innovative People and Technology Corporation

California, MD

Common sense solutions

Website1 office2 projects1 leadersUpdated Jun 2026

Project: NAWCAD WOLF CI&IDS Division Support

Service: Systems Engineering and MBSEService: Model-Based Systems EngineeringService: ATC&LS Engineering Activity SupportIndustry: DefenseIndustry: AviationType: Defense Engineering+18 more

JSM & Associates

Apopka, FL

We Keep Airports Moving

WebsitePhone7 offices13 projects7 leadersSize Estimate: 1-25 employeesUpdated Jun 2026

Project: Tampa International Airport - CBIS Recapitalization/Optimization

Service: BHS Design & ConsultationService: Baggage Conveyor Layout PlanningService: Checked Baggage Inspection Security DesignIndustry: AviationIndustry: AirportsType: Aviation Engineering+8 more

LJA Program Management LLC

Houston, TX

. Client Focused.

WebsitePhone5 offices3 projects5 credentialsFounded 1972Updated Jun 2026

Project: Ranew's E-Coat Masterplan

Service: Aviation ServicesService: Civil EngineeringService: Public Infrastructure and WorksIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+75 more

LS Technologies, LLC

Washington, DC

Transformation That Moves the Nation. Delivering Airspace Innovation Now.

WebsitePhone1 office3 projects13 leaders2 credentialsFounded 2000

Project: Ryan Airfield Air Traffic Control Tower Upgrade

Service: Engineering ServicesService: Systems EngineeringService: Air Traffic Control EngineeringIndustry: AviationIndustry: AerospaceType: Aviation Engineering+20 more

MJ Technical Solutions, LLC

Exceptional Service With Honesty And Integrity

Website4 leadersFounded 2005Updated Jun 2026

Service detail: Aviation Technology

Service: Aviation TechnologyService: CommunicationsService: Aeronautical Fixed Telecommunication NetworkIndustry: AviationIndustry: AirportsType: Aviation Engineering+68 more

Pond

Pioneering Innovation Since 1965

Website8 projects3 leaders2 credentialsFounded 1965Size Estimate: 850+ employeesUpdated Jun 2026

Project: Gary/Chicago Airport Air Cargo Development Services

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: AviationIndustry: DefenseType: Architecture & Engineering+101 more

RDM International

Sterling, VA

Engineering. Technology. Research.

WebsitePhone5 offices3 projects3 leaders24 credentialsFounded 1987

Project: Kansas City International Airport Reconstruction

Service: Pavement Evaluation & DesignService: Nondestructive TestingService: Geotechnical EvaluationIndustry: AirportsIndustry: AviationType: Civil Engineering+38 more

Refai International Group

Denver, CO

Innovative Project Management & Engineering Solutions for the Modern World

WebsitePhone1 office8 projectsFounded 1991Updated Jun 2026

Project: COTA 1600 McKinley Avenue Renovation, Phase 3C

Service: Program / Project ManagementService: Large-Scale & Complex Project ManagementService: Turnaround of Non-Performing ProjectsIndustry: AviationIndustry: AirportsType: Civil Engineering+48 more

Regulus Group, LLC

Woodstock, VA

Engineering the skies.

WebsitePhone4 offices10 leadersFounded 2002Size Estimate: 200 employeesUpdated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: Surveillance SystemsService: Risk and Safety AssessmentIndustry: AviationIndustry: FederalType: Aviation Engineering+8 more