Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

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2IM Group, LLC

Chicago, IL

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.

WebsitePhone1 office5 projects8 leadersFounded 2005Updated Jun 2026

Project: O'Hare Terminal 3, Concourse L Expansion

Service: Highways, Roads, and StreetsService: Roadway geometryService: Drainage systemsIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+29 more

AJT Engineering, Inc.

Cocoa, FL

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

WebsitePhone1 office1 projects1 credentialsUpdated Jun 2026

Project: Orlando-Melbourne International Airport Improvements

Service: Air Traffic Control Tower DesignService: Siting Analyses and Feasibility StudiesService: Tower Construction DocumentationIndustry: AviationIndustry: AirportsType: Aviation Engineering+18 more

Airport Design Consultants, Inc.

Columbia, MD

A focused leader in Aviation Consulting Services since 2006

Website8 offices4 leaders15 credentialsFounded 2006Updated Jun 2026
Service: Airfield DesignService: Airport PlanningService: Terminal & Landside DesignIndustry: AirportsIndustry: AviationType: Aviation Engineering+4 more

American Infrastructure Development, Inc.

Tampa, FL

Innovative Architectural and Engineering Solutions

WebsitePhone7 offices11 projects6 leadersFounded 2009Updated Jun 2026

Project: Henry E. Rohlsen International Airport (STX) - Terminal Improvements, Phase 1

Service: ArchitectureService: Airport Terminals, FBOs, and GA FacilitiesService: Hotels, Administrative Offices, and Public-Use BuildingsIndustry: AviationIndustry: AirportsType: Architecture & Engineering+26 more

Ardurra Group, Inc.

Miami, FL

Collaborate. Innovate. Create.

WebsitePhone2 offices1 projects7 leaders8 credentialsFounded 1901

Project: Southwest Wyoming Regional Airport Terminal Expansion and Modernization

Service: Water / Wastewater EngineeringService: Water SupplyService: Wastewater Treatment PlantsIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+75 more

Argus Consulting, Inc.

Atlanta, GA

Fuel Connects People. And Protects Them.

Website1 office6 projects13 leadersSize Estimate: 50-100 employeesUpdated Jun 2026

Project: Boise Airport New Fuel Facility

Service: Engineering and DesignService: Programming and PlanningService: Facility DesignIndustry: AviationIndustry: DefenseType: Environmental Engineering+37 more

Arora Engineers

Chadds Ford, PA

Rethinking Infrastructure

WebsitePhone1 officeFounded 1986Updated Jun 2026

Service detail: Planning and Design

Service: Planning and DesignService: Engineering Planning And Design Across AviationService: TransportationIndustry: AviationIndustry: AirportsType: Aviation Engineering+18 more

Aulick Engineering, LLC

Atlanta, GA

Award-Winning, Multi-Disciplinary Engineering Firm

WebsitePhone2 offices7 projects1 leaders5 credentialsFounded 2011

Project: PDK Atlantic Aviation Hangars K-L-Q

Service: Hydraulic StudiesService: Basic Hydrologic and Hydraulic DesignService: Complete Hydrologic and Hydraulic DesignIndustry: AirportsIndustry: BridgesType: Aviation Engineering+31 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

Brindley Pieters & Associates, Inc.

Maitland, FL

Serving our clients for over 30 years.

WebsitePhone5 offices15 projects10 leaders7 credentialsFounded 1991

Project: Tampa International Airport

Service: AviationService: Taxiway DesignService: Apron DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+57 more

Burns Engineering, Inc.

Philadelphia, PA

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

Website6 offices14 projects12 leaders15 credentials5 publicationsFounded 1960

Project: Pittsburgh International Airport Terminal Modernization Program

Service: Electrical EngineeringService: Power Infrastructure RenewalService: Campus Electrical ModernizationIndustry: AviationIndustry: RailType: Aviation Engineering+52 more

Civil Innovations, LLC

Loveland, CO

Aviation, Infrastructure, Engineering

WebsitePhone1 office6 projects1 leadersUpdated Jun 2026

Project: United Airlines Flight Training Center

Service: Program Management and Owner's RepresentationService: Infrastructure Program ManagementService: Owner's Representative ServicesIndustry: AviationIndustry: AirportsType: Civil Engineering+30 more

Civil Works Engineering Inc

Doral, FL

Building a better tomorrow through sensible engineering solutions

WebsitePhone4 offices7 leaders2 credentialsFounded 1996Updated Jun 2026

Service detail: Transportation and Highway Systems

Service: Transportation and Highway SystemsService: Urban Area and Regional Transportation PlanningService: Mass and Rapid Transit PlanningIndustry: AirportsIndustry: CommercialType: Aviation Engineering+58 more

Clapsaddle-Garber Associates, Inc.

Marshalltown, IA

Engineers, Surveyors, and Architects

WebsitePhone6 offices6 projects35 leaders6 credentialsFounded 1959

Project: Grand Crossing PICP Parking Lot

Service: Civil EngineeringService: Site DesignService: Streets and TransportationIndustry: AviationIndustry: GovernmentType: Architecture & Engineering+34 more

Crawford, Murphy & Tilly, Inc.

Springfield, IL

Elevating infrastructure, together.

WebsitePhone3 offices9 projects4 leaders5 credentialsFounded 1946

Project: Riverside Drive Riverfront Redevelopment

Service: PlanningService: Aviation PlanningService: Transportation PlanningIndustry: AirportsIndustry: GovernmentType: Aviation Engineering+32 more

Currier & Company, Inc.

Los Angeles, CA

Reliable engineering and consulting services by experienced professionals.

Website2 offices1 leadersUpdated Jun 2026

Service detail: Engineering

Service: EngineeringService: Fuel Facility Design & ConstructabilityService: Aviation Fueling & Hydrant SystemsIndustry: AviationIndustry: AirportsType: Civil Engineering+37 more

D'Leon Consulting Engineers Corporation

Long Beach, CA

DLCE Is Driving Change for Our Communities

Website3 offices12 projects6 leadersFounded 1987Updated Jun 2026

Project: SMForward at Sacramento International Airport

Service: Civil EngineeringService: Civil DesignService: Environmental PlanningIndustry: AviationIndustry: TransitType: Civil Engineering+12 more

DGR Engineering

Rock Rapids, IA

Building the foundation for every day

WebsitePhone6 offices7 leadersUpdated Jun 2026

Service detail: Aviation

Service: AviationService: Civil EngineeringService: Bidding DocumentsIndustry: AviationIndustry: AirportsType: Aviation Engineering+23 more

Delta Engineering Group, LLC

Mansura, LA

Committed to delivering exceptional civil engineering services, with a focus on building lasting relationships

WebsitePhone2 offices3 leadersFounded 2023Size Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Municipal EngineeringService: Commercial Site DesignIndustry: AviationIndustry: GovernmentType: Civil Engineering+15 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

Gresham Smith

Nashville, TN

We Plan, Design and Consult to Create Healthy and Thriving Communities

Website2 offices21 projects8 leaders7 credentialsUpdated Jun 2026

Project: Charlotte Douglas International Airport (CLT) - Terminal Lobby Expansion

Service: AviationService: Terminal Architecture and DesignService: Advisory ServicesIndustry: AirportsIndustry: AviationType: Architecture & Engineering+62 more

HBC Engineering Company

Miami, FL

Engineering solutions that move communities forward.

WebsitePhone6 offices10 projects1 leadersFounded 2006Size Estimate: 80+ employees

Project: CDWWTP Oxygen Production Facility

Service: Aviation EngineeringService: Airfield Pavement DesignService: Pavement Testing and EvaluationIndustry: TransportationIndustry: BridgesType: Civil Engineering+106 more

Holt Consulting Company, LLC

Columbia, SC

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

WebsitePhone7 offices7 projects2 leaders7 credentialsFounded 2013

Project: Emergency Bridge Package 2018-2A

Service: Aviation ServicesService: Aviation PlanningService: Airfield DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+24 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