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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ADO Engineering, Inc.

South Elgin, IL

Specialized electrical engineering for aviation, transportation, and facilities projects

WebsitePhone1 officeFounded 2011Updated Jun 2026

Service detail: Electrical Systems Design

Service: Electrical Systems DesignService: Facility Electrical EngineeringService: Power Distribution DesignIndustry: AviationIndustry: TransportationType: Electrical Engineering+9 more

ANS

Scotch Plains, NJ

Engineering with integrity & purpose.

WebsitePhone1 office7 projects12 leadersSize Estimate: 100-300 employeesUpdated Jun 2026

Project: The Virginia Vanguard

Service: Civil, Site & Land DevelopmentService: Site Development & PermittingService: Regulatory Coordination & RepresentationIndustry: Renewable EnergyIndustry: SolarType: Civil Engineering+57 more

Advanced Design Services, Inc.

Melbourne, FL

Bringing your ideas to life from concept to production.

WebsitePhone1 office3 credentialsFounded 1994Updated Jun 2026

Service detail: PCB Design and Reverse Engineering

Service: PCB Design and Reverse EngineeringService: RF, Digital, and High-Speed DesignService: Product Reverse EngineeringIndustry: ElectronicsIndustry: DefenseType: Electrical Engineering+17 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

Apex Engineering Group

Fargo, ND

Apex Engineering Group brings clarity and confidence to complex engineering projects.

WebsitePhone7 offices11 projects5 leaders18 credentialsFounded 2010

Project: City of Detroit Lakes, MN Municipal Engineering Services

Service: Water EngineeringService: Water wells and intake structuresService: On-site pilot plantsIndustry: GovernmentIndustry: Water ResourcesType: Civil Engineering+83 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

C A Lettsome Services, LLC

Atlanta, GA

Engineering A Better World

WebsitePhone1 office4 projects1 leaders1 credentialsUpdated Jun 2026

Project: Pegasus Water Fountain at Gulfstream Park

Service: MEP EngineeringService: Electrical Load CalculationsService: Technical Verification and StampingIndustry: AviationIndustry: ElectronicsType: MEP+17 more

Concord Engineering, Inc.

Bellevue, WA

Planning + Operations + Design

WebsitePhone2 offices12 projectsSize Estimate: 1-25 employeesUpdated Jun 2026

Project: Seattle Multimodal Terminal at Colman Dock

Service: Transportation PlanningService: Transit Planning & OperationsService: Corridor StudiesIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+37 more

CorNic Technologies

Systems Engineering & Software Solutions

Website2 leadersUpdated Jun 2026

Service detail: Systems Engineering and Software Solutions

Service: Systems Engineering and Software SolutionsService: Communication and Optical Training SystemsService: Communication Emulation SystemsIndustry: DefenseIndustry: TelecommunicationsType: Defense Engineering+9 more

DMD & Associates

DMD & Associates is a consulting engineering firm providing electrical, lighting, ITS, and utility-related engineering services to municipalities, government agencies, owners, developers, and contractors. It specializes in roadway lighting design, traffic signals, intelligent transportation systems, and utility/power engineering. DMD operates as a sub-consultant to architectural and civil engineering firms as well as under direct client contracts, with primary practice in western Canada and the Western United States.

Website2 credentialsUpdated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Roadway & Street Lighting DesignService: LED Lighting ConversionsIndustry: TransportationIndustry: GovernmentType: Electrical Engineering+8 more

Daedalus, Inc.

Pittsburgh, PA

Research, Design, and Engineering

WebsitePhone1 office11 projects4 leaders9 credentials1 publications

Project: Runway Lighting Product Lines

Service: ResearchService: User ResearchService: Ethnographic ResearchIndustry: HealthcareIndustry: LaboratoriesType: Mechanical Engineering+46 more

Delta Engineering Group, LLC

Chicago, IL

Engineering a Better Tomorrow

WebsitePhone1 office4 projects8 credentialsFounded 1987Updated Jun 2026

Project: Metra Consolidated Control Facility

Service: Civil EngineeringService: Roads and StreetsService: FreewaysIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+50 more

Dorsey & Dorsey Engineering, Inc.

Mobile, AL

Integrity Quality Excellence

Website1 office1 projects1 leadersUpdated Jun 2026

Project: Runway/Taxiway/Apron Restoration

Service: Aviation EngineeringService: Airfield DesignService: Airfield LightingIndustry: AviationIndustry: DefenseType: Civil Engineering+15 more

DuBois & King

Randolph, VT

DuBois & King is a multidisciplinary professional consulting practice providing planning, engineering, survey, permitting, and environmental services since 1962. Its technical disciplines span civil, structural, environmental, mechanical, and electrical engineering, surveying, and landscape architecture. D&K serves federal and state agencies, municipalities, healthcare and education facilities, industrial and commercial buildings, housing developments, and energy sector clients. Operating as a 100 percent entity, it focuses on delivering collaborative, sustainable, and resilient solutions for municipal and regional infrastructure across New England, New York, and the Southwest.

WebsitePhone12 offices5 projects3 leaders11 credentialsFounded 1962

Project: Glencliff Micro-Hydro

Service: PlanningService: Transportation EngineeringService: Bicycle and Pedestrian InfrastructureIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+36 more

E3R Inc

San Diego, CA

Exceptional Employees for Exceptional Results

WebsitePhone1 office4 leaders3 credentialsFounded 2011Size Estimate: 1-25 employees

Service detail: Program Management

Service: Program ManagementService: Cost, schedule, performance, and risk managementService: Acquisition document preparation and complianceIndustry: DefenseIndustry: GovernmentType: Defense Engineering+20 more

EPU Engineering

Jacksonville, FL

Railroad Signaling, R&D, and Consulting

Website1 office1 publicationsUpdated Jun 2026

Service detail: Railroad Signal Engineering

Service: Railroad Signal EngineeringService: Grade CrossingsService: Interlockings and CTCIndustry: RailIndustry: TransportationType: Electrical Engineering+14 more

Engineering Dynamics

Silver Spring, MD

Engineering is a People Problem.

WebsitePhone1 office14 credentialsUpdated Jun 2026

Service detail: Human Factors Engineering

Service: Human Factors EngineeringService: Cognitive EngineeringService: UX ResearchIndustry: DefenseIndustry: FederalType: Defense Engineering+36 more

Fisher Arnold

Memphis, TN

Clients' Architecture & Engineering Vision Made Real

WebsitePhone1 office6 projects6 leaders1 credentialsSize Estimate: 200-999 employees

Project: Parkway Village Elementary

Service: EngineeringService: Electrical EngineeringService: Environmental EngineeringIndustry: GovernmentIndustry: TransportationType: Architecture & Engineering+35 more

Garg Consulting Services, Inc.

Rocky Hill, CT

Quality Engineering Beyond Your Expectations

WebsitePhone2 offices2 projects9 leadersFounded 1990Size Estimate: 81+ employees

Project: New Haven Line Power Program: Phase 1 - Signal Substations

Service: Structural & Civil EngineeringService: Highway and Railroad Bridge DesignService: Highway & Railroad Bridge Condition Inspection & AnalysisIndustry: GovernmentIndustry: FederalType: Civil Engineering+39 more

Green Dade, Inc.

Miami, FL

Powering Innovation, Engineering Perfection

WebsitePhone1 office6 projects1 credentialsUpdated Jun 2026

Project: MDWASD - Pump Station Design and Rehabilitation

Service: Electrical Infrastructure DesignService: Design & ConsultationService: Installation & CommissioningIndustry: Water SupplyIndustry: WastewaterType: Electrical Engineering+19 more

Hyatt Engineering & Design Services LLC

Newark, DE

Established in 2018, Hyatt Engineering & Design Services LLC provides multi-disciplinary engineering, software development, and technical support across the United States. Originating with extensive experience in the telecommunications industry, the practice offers specialized services in electrical engineering, radio frequency design and testing, mechanical engineering, technical writing, and E/M/CAD design support. Operating from its corporate office in Newark, Delaware, it supports clients with flexible onsite and remote solutions to meet critical design and manufacturing deadlines.

Website1 officeFounded 2018Updated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Radio Frequency Design and TestingService: Mechanical EngineeringIndustry: TelecommunicationsIndustry: ElectronicsType: Electrical Engineering+11 more

I.A Engineering, P.C.

Long Island City, NY

Infrastructure. Technology. Together.

WebsitePhone2 offices5 projects1 leadersSize Estimate: 1-25 employeesUpdated Jun 2026

Project: MTA NYCT Accessibility Upgrades at Eight Stations

Service: Systems and Technology EngineeringService: Communications and Security SystemsService: ITS, Networking, and ITIndustry: RailIndustry: TransitType: Civil Engineering+30 more

Ingenix Technologies LLC

Engineering Systems That Move From Concept to Deployment

Website2 projects2 leadersSize Estimate: Up to 25 employeesUpdated Jun 2026

Project: TIMELOCK

Service: CybersecurityService: Hardware Security AnalysisService: Software Vulnerability AssessmentIndustry: DefenseIndustry: Intelligence & National SecurityType: Defense Engineering+21 more

Interrail Engineering Inc

Jacksonville, FL

Keeping the Trains Moving and Our Citizens Safe

WebsitePhone1 office9 projects6 leaders1 credentialsFounded 1997

Project: Norfolk Southern Railroad PTC Installation

Service: Engineering and DesignService: Application ProgrammingService: Computer Aided DraftingIndustry: RailIndustry: TransitType: Automation & Controls+31 more