Public engineering firm directory

Find engineering consulting firms by capability and location.

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ADV-SOC, Inc.

San Diego, CA

Mission-Driven.

WebsitePhone1 office9 projects2 leadersFounded 2012Updated Jun 2026

Project: Naval Air Station North Island Soil Investigation

Service: Environmental ServicesService: Phase I and Phase II Environmental Site AssessmentsService: Underground Storage Tank Assessment and ClosureIndustry: FederalIndustry: DefenseType: Architecture & Engineering+39 more

AEG - A SOCOTEC Company

Mechanicsburg, PA

Engineering, Surveying, and Inspections

WebsitePhone1 office3 projects3 credentialsUpdated Jun 2026

Project: 95REVIVE Pottstown Expressway Reconstruction

Service: Geotechnical EngineeringService: Geotechnical Engineering and Foundation DesignService: Design of Earth Structures and Retaining WallsIndustry: TransportationIndustry: BridgesType: Geotechnical Engineering+64 more

AKS Engineering & Forestry

Tualatin, OR

Practical Solutions. Designed to Last.

WebsitePhone1 officeFounded 1996Size Estimate: 600+ employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Design & GradingService: UtilitiesIndustry: InfrastructureIndustry: Land DevelopmentType: Civil Engineering+35 more

Abysmal Corporation LLC

Integrated Engineering, Environmental, and IT Solutions for Efficiency, Safety, and Sustainability

Website6 projectsUpdated Jun 2026

Project: Redstone Arsenal Facility Audits & Energy Systems

Service: Engineering ServicesService: Chemical EngineeringService: Civil EngineeringIndustry: Environmental & RemediationIndustry: ChemicalsType: Environmental Engineering+22 more

Blair, Church & Flynn Consulting Engineers

Clovis, CA

Service. Quality. Integrity.

WebsitePhone6 offices3 leaders5 credentialsFounded 1958Updated Jun 2026

Service detail: Planning, Permitting & Consulting

Service: Planning, Permitting & ConsultingService: Alternatives AnalysesService: Constructability ReviewsIndustry: Power GenerationIndustry: Electric UtilitiesType: Civil Engineering+72 more

Bluewing Civil Consulting, LLC

Lafayette, LA

Meticulous Design. Engineered for tomorrow.

WebsitePhone2 offices4 projects2 leadersSize Estimate: 1-9 employeesUpdated Jun 2026

Project: Bayou Pierre Responsible Mitigation Plan

Service: Roadway EngineeringService: Roadway hydraulicsService: NEPA-related servicesIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+40 more

Bristol Bay Construction Holdings LLC

Bristol Bay Construction Holdings LLC (BBCH) is a diversified construction and engineering holding company serving federal and commercial clients through its portfolio of best-value companies operating under the Aerostar, CCI, CSI, Herman, and SES brands. BBCH delivers construction, civil works, restoration services, fuels systems, environmental services, and facility support services, specializing in design-build and design-bid-build construction of mission-critical facilities and infrastructure. BBCH is a shareholder-connected Bristol Bay Native Corporation company.

WebsiteUpdated Jun 2026

Service detail: Construction

Service: ConstructionService: New construction and sustainment, restoration, and modernizationService: Structural systemsIndustry: DefenseIndustry: FederalType: Design-Build+14 more

Cross Timbers Consulting

Meeting the needs of Tribal Transportation Programs

Website10 leaders8 credentialsSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Transportation Planning

Service: Transportation PlanningService: Master PlanningService: Safety PlanningIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+39 more

DJ&A, P.C.

Missoula, MT

Engineering, Surveying, Environmental & Planning Services

WebsitePhone3 officesFounded 1973Size Estimate: 150+ employeesUpdated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Roadway and Highway DesignService: Logging Road EngineeringIndustry: FederalIndustry: GovernmentType: Civil Engineering+43 more

DMY Capitol, LLC

Washington, DC

Experts in Handling Tight Deadlines

WebsitePhone1 office4 projects1 leadersUpdated Jun 2026

Project: Fort Dupont Ice Arena

Service: Geotechnical EngineeringService: DrillingService: Construction ManagementIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+12 more

DOWL

Portland, OR

Small-Town Service, Big-Time Experts

Website5 offices8 projects12 leadersUpdated Jun 2026

Project: Choteau Wastewater Collection and Treatment Plant

Service: Environmental ServicesService: Environmental StudiesService: Environmental Planning and PermittingIndustry: AviationIndustry: AirportsType: Civil Engineering+35 more

EBA Engineering

Santa Rosa, CA

Sustainable Solutions for an Evolving World

WebsitePhone1 officeFounded 1979Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Sustainable Land Development & Site Engineering DesignService: Grading PlansIndustry: CommercialIndustry: IndustrialType: Civil Engineering+30 more

EMCS, Inc.

Milwaukee, WI

Transforming Challenges into Solutions

Website5 officesFounded 1983Updated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Roadway DesignService: Drainage & Stormwater QualityIndustry: TransportationIndustry: GovernmentType: Civil Engineering+21 more

Falcon Engineering, Inc.

Cary, NC

We are Falcon. Experience the difference.

WebsitePhone1 office15 projects1 leadersFounded 1992Updated Jun 2026

Project: Mist Lake Facilities Expansion

Service: Environmental ServicesService: Phase I Environmental Site Assessment (ESA)Service: Phase II Environmental Site Assessment (ESA)Industry: EducationIndustry: GovernmentType: Geotechnical Engineering+20 more

Felsburg Holt & Ullevig

Connecting and Enhancing Communities

Website4 projects4 leaders1 credentialsFounded 1984Size Estimate: 200-400 employeesUpdated Jun 2026

Project: Transforming 30th Street at Garden of the Gods

Service: Transportation PlanningService: Multimodal PlanningService: Transit Planning & DesignIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+38 more

GAI Consultants, Inc.

Indianapolis, IN

Transforming Ideas Into Reality®

WebsitePhone5 offices24 leaders4 publicationsFounded 1958Updated Jun 2026

Service detail: Environmental Services

Service: Environmental ServicesService: Environmental Impact Analysis and NEPA DocumentationService: Permitting and Regulatory ComplianceIndustry: Power GenerationIndustry: Renewable EnergyType: Civil Engineering+44 more

GTS Consulting

Bryant, AR

Quality results, timely service.

WebsitePhone5 offices5 credentialsFounded 2005Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface Drilling and SamplingService: Foundation Design and Support OptionsIndustry: CommercialIndustry: GovernmentType: Environmental Engineering+34 more

Gator Engineering & Aquifer Restoration, Inc.

Longwood, FL

Water Reuse It's in our name.

WebsitePhone1 office5 projects5 leaders3 credentialsUpdated Jun 2026

Project: West Palm Beach and Sanford Geotechnical Studies

Service: Environmental ServicesService: Remedial Design & ImplementationService: Environmental Site AssessmentsIndustry: FederalIndustry: DefenseType: Architecture & Engineering+23 more

Global Engineering & Land Surveying, LLC

Michigan City, IN

Global Engineering & Land Surveying, LLC offers comprehensive civil engineering, environmental services, GIS, and professional land surveying. It serves municipal, federal, and private sector clients with a focus on regulatory compliance, quality objectives, and public welfare. The practice delivers tailored solutions for water resources, transportation, utilities, and land development projects.

WebsitePhone1 office7 projectsUpdated Jun 2026

Project: Army Reserve Center USACE

Service: Surveying ServicesService: Topographic SurveyService: Boundary SurveyIndustry: Parks & Open SpaceIndustry: Sports & RecreationType: Civil Engineering+43 more

HDL Engineering Consultants, LLC

Anchorage, AK

Designing Alaska's Future. Prioritizing Client Success. Building Stronger Communities.

WebsitePhone3 offices8 projectsSize Estimate: 50-199 employeesUpdated Jun 2026

Project: Birchwood Airport

Service: Civil EngineeringService: Civil and Site EngineeringService: Site Development ServicesIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+59 more

House Moran Consulting, Inc.

Reno, NV

Floodplain Management and Water Resources Engineering

WebsitePhone3 offices1 projects4 leaders3 credentialsUpdated Jun 2026

Project: NEXRAD Gage-Adjusted Radar Rainfall Research Project

Service: Hydrologic and Hydraulic ModelingService: 1D and 2D H&H ModelingService: HEC-RAS (Steady, Unsteady, 2D)Industry: GovernmentIndustry: FederalType: Water / Wastewater Engineering+43 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

Isani Consultants, L.P.

Houston, TX

Designing What Matters

WebsitePhone1 office17 projects5 credentialsFounded 2000Size Estimate: 1-25 employees

Project: Enabling Utilities Landside, George Bush Intercontinental Airport

Service: Transportation EngineeringService: Urban and rural highway designService: Geometric design, driveways, and sidewalksIndustry: InfrastructureIndustry: TransportationType: Aviation Engineering+94 more

J-U-B ENGINEERS, Inc.

Helping Each Other Create Better Communities

WebsiteFounded 1954Updated Jun 2026

Service detail: Aviation Engineering & Planning

Service: Aviation Engineering & PlanningService: Airport Planning and DesignService: Airfield and Runway Design, Construction, and MaintenanceIndustry: AirportsIndustry: Highways & RoadsType: Aviation Engineering+43 more