Public engineering firm directory

Find engineering consulting firms by capability and location.

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AMP Optics LLC

Blue-Sky to Reality

Website6 publicationsFounded 2010Updated Jun 2026

Service detail: Optical Design and Engineering

Service: Optical Design and EngineeringService: Advanced Optical DesignService: Optical System Concept DevelopmentIndustry: AerospaceIndustry: DefenseType: Electrical Engineering+26 more

ARRO Consulting, Inc.

Lititz, PA

Your trusted partner for municipal engineering.

WebsitePhone13 offices8 projects4 leadersFounded 1946Size Estimate: 100-300 employees

Project: Upper Uwchlan Township Municipal Authority Administrator

Service: Civil & MunicipalService: Appointed Engineer representationService: Roadway and Infrastructure RehabilitationIndustry: GovernmentIndustry: UtilitiesType: Civil Engineering+50 more

Abraxas Energy Consulting

Energy Efficiency & Building Energy Audits

Website5 projects1 credentials2 publicationsUpdated Jun 2026

Project: FBI Headquarters Energy Audit

Service: Energy ConsultingService: Commercial Energy AuditsService: Retro-CommissioningIndustry: CommercialIndustry: FederalType: Mechanical Engineering+27 more

Ackenheil Engineers, Inc.

Pittsburgh, PA

Your project is our priority.

WebsitePhone1 office5 leaders1 credentialsFounded 1958Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical investigationsService: Spread footing foundation designIndustry: BridgesIndustry: Highways & RoadsType: Geotechnical Engineering+24 more

Advanced Consulting Engineers, P.A.

Frederick, MD

Advanced Consulting Engineers, P.A. (ACE-P.A.) is a structural engineering firm established in 1994 and based in Frederick, Maryland, with professional engineering registrations in more than thirty states. ACE-P.A. provides structural analysis and design, cold-formed steel engineering and detailing, engineer-of-record services, delegated design, peer review, and property condition assessments for commercial, residential, educational, healthcare, and institutional projects.

Website1 office2 projects2 leaders10 credentialsFounded 1994Updated Jun 2026

Project: University Auditorium and Classrooms

Service: Structural Analysis & DesignService: Engineer of Record (EOR)Service: Specialty Building Engineer (SBE)Industry: CommercialIndustry: EducationType: Structural Engineering+15 more

Alpha Land Surveying & Mapping

Omaha, NE

Alpha Land Surveying & Mapping (ALSM) was founded in January 1996 by Fred M. Franklin, PLS, in Oakland, Nebraska, and has grown into a regional land surveying practice serving Nebraska and Florida. ALSM provides boundary, ALTA/ACSM, topographic, elevation certificate, and FEMA/LOMA/GIS surveys, along with construction staking and aerial drone services. A technology-forward practice, ALSM offers aerial drone photogrammetry and LiDAR scanning for power-line corridors, railway corridors, cell towers, and general corridor mapping, producing 3D point clouds, 2D and 3D orthomosaic maps, and BIM-ready spatial data. The firm operates from offices in Omaha, Oakland, South Sioux City, Norfolk, and Blair, Nebraska, and Tampa, Florida.

WebsitePhone6 offices1 leadersFounded 1996Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: ALTA/ACSM SurveysService: Boundary SurveysIndustry: Land DevelopmentIndustry: Multifamily ResidentialType: Land Surveying+17 more

B & R Design Group

Frederick, MD

Trusted Civil Engineering, Planning & Surveying in MD, PA & VA

WebsitePhone1 office5 leadersFounded 1998Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Roadway Layout and DesignService: Stormwater Management DesignIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+20 more

Bishop Engineering

Urbandale, IA

Shaping your visions to become a reality since 1959.

WebsitePhone2 offices8 projectsFounded 1959Updated Jun 2026

Project: Urbandale Public Works

Service: Civil EngineeringService: Site PlanningService: Regulatory CoordinationIndustry: CommercialIndustry: EducationType: Civil Engineering+32 more

CJL Engineering

Moon Township, PA

Dynamic Design, Reliable Results

WebsitePhone6 offices6 leaders11 credentialsUpdated Jun 2026

Service detail: Mechanical, Electrical & Plumbing (MEP)

Service: Mechanical, Electrical & Plumbing (MEP)Service: Mechanical EngineeringService: Electrical EngineeringIndustry: HealthcareIndustry: EducationType: MEP+40 more

COA Barrett, LLC

Prince Frederick, MD

Land development design, civil engineering, surveying, and environmental planning in Maryland.

Website1 officeUpdated Jun 2026

Service detail: Land Planning

Service: Land PlanningService: Commercial Site PlansService: Residential Subdivision DesignIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+22 more

Centerline Engineering

Lubbock, TX

Creating solutions across the United States.

Website5 offices1 credentialsUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Stormwater EngineeringService: Land Development EngineeringIndustry: Land DevelopmentIndustry: Water SupplyType: Civil Engineering+21 more

Daft McCune Walker, Inc.

Towson, MD

Designing. Developing. Delivering.

WebsitePhone2 offices11 projects2 credentialsSize Estimate: 50-150 employeesUpdated Jun 2026

Project: Honeygo Elementary School

Service: Civil EngineeringService: Site EngineeringService: Stormwater EngineeringIndustry: CommercialIndustry: EducationType: Civil Engineering+53 more

ECS

Asheville

YOUR GO-TO Engineering Consulting Partner

Website44 offices6 projects6 leadersFounded 1988Updated Jun 2026

Project: SK Innovation EV Battery Site

Service: GeotechnicalService: Subsurface ExplorationService: In-Situ TestingIndustry: CommercialIndustry: EducationType: Geotechnical Engineering+39 more

Express Technologies, Inc.

Fredericksburg, VA

Connecting the World Through End-to-End System Integration & Utility Infrastructure

WebsitePhone3 offices13 leaders1 credentialsFounded 2002Updated Jun 2026

Service detail: Utility Consulting

Service: Utility ConsultingService: Telecom And Dry Utility Consulting ServicesService: PermittingIndustry: CommercialIndustry: DefenseType: Telecom / RF Engineering+18 more

Fox & Associates

Hagerstown, MD

Engineering Surveying and Land Planning

WebsitePhone3 offices5 projects2 leadersFounded 1966Updated Jun 2026

Project: Sycamore Ridge Subdivision

Service: Civil EngineeringService: Residential Subdivision DesignService: Site Civil EngineeringIndustry: ResidentialIndustry: Land DevelopmentType: Civil Engineering+16 more

Frederick Ward Associates

Bel Air, MD

Listen Better. Design Better. Live Better.

WebsitePhone1 office2 projects4 leadersSize Estimate: 10-99 employeesUpdated Jun 2026

Project: Kentland Community Center

Service: Architecture and Building DesignService: Architectural DesignService: 3D Modeling and RenderingIndustry: CommercialIndustry: GovernmentType: Architecture & Engineering+20 more

Frederick, Seibert & Associates, Inc.

Hagerstown, MD

Excellence in Customer Service

WebsitePhone4 offices3 leadersFounded 1941Updated Jun 2026
Service: Land SurveyingService: Civil EngineeringService: Land PlanningIndustry: CommercialIndustry: ResidentialType: Civil Engineering+7 more

Geo-Technology Associates, Inc.

Laurel, MD

Growing Together To Enhance Our Built Environment

WebsitePhone28 offices5 projectsSize Estimate: 600 employeesUpdated Jun 2026

Project: Ewing Town Center

Service: Geotechnical ServicesService: Construction ServicesService: High-Rise Building ConstructionIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+13 more

Gorove Slade

Fairfax, VA

Advancing Transportation Solutions in the Communities We Serve

Website4 offices7 projects6 leaders6 credentialsFounded 1979Size Estimate: 50-100 employees

Project: The Wharf / Southwest Waterfront

Service: StudiesService: Multimodal transportation / traffic impact studiesService: Environmental traffic assessmentsIndustry: Mixed-UseIndustry: CommercialType: Transportation Engineering+40 more

Hill Park Engineering Inc

Fredericksburg, VA

Understanding HPM Technology and Pushing Past Its Limits

WebsitePhone1 office6 leadersFounded 2011Size Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Directed Energy and High Power RF Systems

Service: Directed Energy and High Power RF SystemsService: High Voltage and High Current Switch DesignService: RF Transmitter DevelopmentIndustry: DefenseType: Electrical Engineering+9 more

Hillis-Carnes Engineering Associates

Annapolis Junction, MD

Your Foundation for Success

WebsitePhone21 offices7 projects3 leaders3 credentialsFounded 1993

Project: Anthem House Luxury Residential Development

Service: Geotechnical EngineeringService: Subsurface investigations and soil boringsService: Foundation design recommendationsIndustry: CommercialIndustry: Land DevelopmentType: Environmental Engineering+56 more

Jerico Technologies LLC

Fredericksburg, VA

Alternative Energy, Sensors, and Communication Systems

Website1 officeFounded 2021Updated Jun 2026

Service detail: Systems Engineering and Technical Advisory

Service: Systems Engineering and Technical AdvisoryService: Requirements Traceability and ManagementService: System Architecture DesignIndustry: DefenseIndustry: Environmental & RemediationType: Electrical Engineering+23 more

John A. Martin & Associates, Inc.

Los Angeles, CA

Structural Solutions Driven by Technology, Experience & Collaboration

WebsitePhone6 offices10 projects84 leaders1 credentialsFounded 1953

Project: Disney Concert Hall

Service: Structural EngineeringService: Seismic Evaluations and RetrofitsService: Computational DesignIndustry: AviationIndustry: EducationType: Structural Engineering+16 more

Legacy Engineering

Fredericksburg, VA

Dedicated Service. Inspired Design.

WebsitePhone3 offices7 leaders9 credentialsUpdated Jun 2026
Service: Civil EngineeringService: Construction Engineering InspectionService: Environmental ServicesIndustry: ResidentialIndustry: CommercialType: Civil Engineering+16 more