Public engineering firm directory

Find engineering consulting firms by capability and location.

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154 Tech LLC

Santa Barbara, CA

Advanced systems engineering, geospatial intelligence, and end-to-end program lifecycle support

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Technical Program Management

Service: Technical Program ManagementService: End-to-End Program ManagementService: Risk ManagementIndustry: DefenseIndustry: FederalType: Defense Engineering+28 more

5 Smooth Stones Restoration

Specialists in applied fluvial geomorphology and stream restoration

Website7 projects3 leadersFounded 2015Updated Jun 2026

Project: Riverby Ranch Mitigation Site

Service: Geomorphic Assessment and Stream Restoration DesignService: Watershed Assessment and Gage AnalysisService: Geomorphic Survey of Fluvial SystemsIndustry: Environmental & RemediationIndustry: Water ResourcesType: Environmental Engineering+15 more

5020 Engineering Resource Group, Incorporated

Civil, Water Resources, and Environmental Engineering Services

Website4 leaders1 credentialsFounded 2022Size Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Water and Wastewater Engineering

Service: Water and Wastewater EngineeringService: Water and Wastewater Conveyance SystemsService: Sewer System Flow MonitoringIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Civil Engineering+19 more

A.E. Hodsdon Consulting Engineers

Waterville, ME

Leaders in professional engineering for over 40 years

WebsitePhone1 office1 projects1 leadersFounded 1974Updated Jun 2026

Project: Passamaquoddy Water Treatment Plant

Service: EngineeringService: Water Systems DesignService: Wastewater Systems DesignIndustry: GovernmentIndustry: UtilitiesType: Civil Engineering+31 more

ABAM Engineers Inc.

Houston, TX

Driving Innovation and Digitization in Engineering

WebsitePhone2 officesUpdated Jun 2026

Service detail: Civil and Infrastructure Engineering

Service: Civil and Infrastructure EngineeringService: Site Analysis and DesignService: Site Master PlanningIndustry: CommercialIndustry: IndustrialType: Civil Engineering+38 more

AG3 Group, LLC

San Antonio, TX

Civil Services with a Forward-Thinking Approach

WebsitePhone8 offices14 projects5 leaders2 credentialsUpdated Jun 2026

Project: VIA Park and Ride at Stone Oak

Service: Civil EngineeringService: Transportation DesignService: Drainage and Stormwater ManagementIndustry: GovernmentIndustry: TransportationType: Civil Engineering+25 more

AHBL, Inc.

Tacoma, WA

Shaping Stronger Communities

WebsitePhone4 offices14 projects8 leaders27 credentialsFounded 1969

Project: Carla Peperzak Middle School

Service: Civil EngineeringService: Site Development SolutionsService: Stormwater Management SystemsIndustry: EducationIndustry: HealthcareType: Civil Engineering+41 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

ASA Engineering & Surveying, LLC

Valdosta, GA

ASA Engineering & Surveying, LLC is a South Georgia engineering consultancy based in Valdosta, established in 1988, offering civil engineering, environmental engineering, land surveying, and aerial mapping services. Over 85% of business comes from repeat clients across commercial, residential, industrial, and governmental sectors. ASA is Georgia Department of Transportation Pre-Qualified, recognized by the Georgia EPD for exemplary erosion control and environmental plans, and holds FAA Part 107 certification for drone-based aerial mapping.

WebsitePhone1 office3 leaders6 credentialsFounded 1988Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Transportation InfrastructureService: Structural EngineeringIndustry: CommercialIndustry: ResidentialType: Civil Engineering+20 more

Abi Engineering Consultants Inc

Santa Ana, CA

Geotechnical, Civil, and Structural Engineering Across California and the Western States

WebsitePhone1 office10 projects2 leadersFounded 2004Updated Jun 2026

Project: LA Metro Gold Line - MSE Wall

Service: Geotechnical EngineeringService: Site Investigation and Subsurface ExplorationService: Foundation Design and Lateral Earth Pressure AnalysisIndustry: CommercialIndustry: IndustrialType: Civil Engineering+39 more

AccelaBlue Advisory Group

The Advisor Who Sees the Whole Deal

Website3 projects1 leaders2 credentialsUpdated Jun 2026

Project: 340 MW Hyperscale Data Center & AI Factory

Service: Technical Feasibility & Site AssessmentService: Site & Grid CharacterizationService: Resource AssessmentIndustry: Data CentersIndustry: NuclearType: Owner's Engineer+38 more

Ackerman-Estvold Engineering & Management Consulting, Inc.

Minot, ND

architects + engineers

WebsitePhone4 offices3 projects1 leaders1 credentials1 publications

Project: Big M Building Reimagining

Service: Civil EngineeringService: Traffic & Transportation EngineeringService: Land Planning & DevelopmentIndustry: GovernmentIndustry: EducationType: Civil Engineering+43 more

Acorn Engineering, Inc.

Portland, ME

Civil Engineering, Surveying, and Landscape Architecture in Maine

WebsitePhone3 offices3 projects1 leaders2 credentialsUpdated Jun 2026

Project: Watt Samaki Buddhist Temple

Service: Civil EngineeringService: Site Development DesignService: Utility DesignIndustry: ResidentialIndustry: CommercialType: Civil Engineering+38 more

Acumen Engineering LLC

Projects You Value. Partners You Trust.

Website1 projects3 leaders3 credentialsUpdated Jun 2026

Project: Public Utility District Modernization

Service: Civil EngineeringService: Preliminary and Final EngineeringService: Earthwork and Site GradingIndustry: GovernmentIndustry: Parks & Open SpaceType: Civil Engineering+51 more

Adams, Rehmann & Heggan Associates, Inc.

Hammonton, NJ

You See Us Every Day

Website1 office1 projects10 leaders2 credentialsFounded 1935Size Estimate: 90 employees

Project: Braddocks Mill Dam

Service: Civil and Municipal EngineeringService: Road and Infrastructure DesignService: Stormwater ManagementIndustry: GovernmentIndustry: TransportationType: Civil Engineering+38 more

Adico, LLC

Friendswood, TX

Texas Civil Engineering Professionals

WebsitePhone1 office3 projectsUpdated Jun 2026

Project: Iowa Colony City Engineer

Service: Civil EngineeringService: Site DevelopmentService: Land Development & Master PlanningIndustry: EducationIndustry: CommercialType: Civil Engineering+40 more

Advantage Civil Engineering, PA

Asheville, NC

Advantage Civil Engineering, PA (ACE) is a full service site development civil design firm in Asheville, North Carolina. Since 2005, ACE has delivered creative, cost-effective civil engineering solutions for commercial, industrial, institutional, recreational, and residential projects throughout Western North Carolina, with deep expertise in Low Impact Development, stormwater management, and regulatory navigation across Buncombe, Henderson, Jackson, McDowell, Transylvania, and Madison Counties.

Website1 officeFounded 2005Updated Jun 2026

Service detail: Site Development

Service: Site DevelopmentService: Land planning and site designService: Grading and erosion controlIndustry: CommercialIndustry: ResidentialType: Civil Engineering+18 more

Aegis

Silver Spring, MD

Keeping Construction Projects on Track

WebsitePhone8 offices5 projects7 leadersFounded 2006Updated Jun 2026

Project: Reagan National Airport

Service: Planning & SchedulingService: CPM Schedule DevelopmentService: Schedule Analytics, Quality Control, and KPI AnalysisIndustry: InfrastructureIndustry: AirportsType: Owner's Engineer+29 more

Aerospace Structural Research Corp

Milford, CT

Transforming Ideas into Reality with Engineering Expertise

WebsitePhone1 officeFounded 1995Updated Jun 2026

Service detail: Engineering Design Services

Service: Engineering Design ServicesService: Computer-Aided Design (CAD)Service: Solid ModelingIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+45 more

Alpha Sieger Engineering Services

Gaithersburg, MD

Expert Transportation Engineering & Construction Management Services

WebsitePhone1 office2 projects1 leadersFounded 2014Updated Jun 2026

Project: DDOT Federal-Aid Citywide Pavement Restoration IDIQ Contract

Service: Transportation, Traffic, and Safety StudiesService: Vision Zero StudiesService: Highway Safety Improvement Program (HSIP) StudiesIndustry: Highways & RoadsIndustry: TransportationType: Transportation Engineering+11 more

Alpine Engineering, LLC

Bellingham, WA

Your Vision, Our Commitment - Built to Last in Whatcom, Skagit, and Beyond

WebsitePhone1 office8 projects1 leadersFounded 2020Size Estimate: 1-25 employees

Project: Bellingham Fountain District Mixed-Use Building

Service: Structural EngineeringService: Foundation Design and EngineeringService: Wood Frame Structural DesignIndustry: ResidentialIndustry: Multifamily ResidentialType: Structural Engineering+18 more

Alpine Surveying & Engineering, Inc.

Bozeman, MT

Delivering Personalized Surveying & Engineering Solutions

WebsitePhone1 office6 leaders4 credentialsFounded 2002Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Commercial and light industrial site design and permittingService: Road and utility planning, design, and permittingIndustry: ResidentialIndustry: CommercialType: Civil Engineering+36 more

Amerigeo Inc

Engineering consulting and construction support services in the New York Metropolitan Area

Website1 credentialsFounded 2009Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Site and Subsurface InvestigationService: Geotechnical DesignIndustry: CommercialIndustry: MarineType: Geotechnical Engineering+19 more

Anfik Consulting LLC

Edgewood, WA

Civil Engineering Consulting You Can Trust

WebsitePhone1 officeUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Boring and DrillingService: Material Testing ServicesIndustry: InfrastructureIndustry: TransportationType: Civil Engineering+26 more