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.

Filters2

ADO Engineering, Inc.

South Elgin, IL

Specialized electrical engineering for aviation, transportation, and facilities projects

WebsitePhone1 officeFounded 2011
Service: Electrical Systems DesignService: Facility Electrical EngineeringIndustry: AviationType: Electrical Engineering+11 more

ANS

Scotch Plains, NJ

Engineering with integrity & purpose.

WebsitePhone1 office7 projects
Service: Civil, Site & Land DevelopmentService: Site Development & PermittingIndustry: Renewable EnergyType: Civil Engineering+59 more

Advanced Design Services, Inc.

Melbourne, FL

Bringing your ideas to life from concept to production.

WebsitePhone1 office3 credentials
Service: PCB Design and Reverse EngineeringService: RF, Digital, and High-Speed DesignIndustry: ElectronicsType: Electrical Engineering+19 more

Advantage Engineering Associates, P.C.

Cranbury, NJ

Engineering design, construction support and construction inspection services for transportation infrastructure

WebsitePhone2 offices8 projects
Service: Transportation EngineeringService: Highway and Traffic EngineeringIndustry: TransportationType: Civil Engineering+28 more

Apex Engineering Group

Fargo, ND

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

WebsitePhone7 offices11 projects
Service: Water EngineeringService: Water wells and intake structuresIndustry: GovernmentType: Civil Engineering+85 more

Burns Engineering, Inc.

Philadelphia, PA

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

Website6 offices14 projects12 leaders
Service: Electrical EngineeringService: Power Infrastructure RenewalIndustry: AviationType: Aviation Engineering+54 more

C A Lettsome Services, LLC

Atlanta, GA

Engineering A Better World

WebsitePhone1 office4 projects
Service: MEP EngineeringService: Electrical Load CalculationsIndustry: AviationType: MEP+19 more

Concord Engineering, Inc.

Bellevue, WA

Planning + Operations + Design

WebsitePhone2 offices12 projects
Service: Transportation PlanningService: Transit Planning & OperationsIndustry: TransportationType: Transportation Engineering+39 more

CorNic Technologies

Systems Engineering & Software Solutions

Website2 leadersUpdated Jun 2026
Service: Systems Engineering and Software SolutionsService: Communication and Optical Training SystemsIndustry: DefenseType: Defense Engineering+11 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: Electrical EngineeringService: Roadway & Street Lighting DesignIndustry: TransportationType: Electrical Engineering+10 more

Daedalus, Inc.

Pittsburgh, PA

Research, Design, and Engineering

WebsitePhone1 office11 projects
Service: ResearchService: User ResearchIndustry: HealthcareType: Mechanical Engineering+48 more

Delta Engineering Group, LLC

Chicago, IL

Engineering a Better Tomorrow

WebsitePhone1 office4 projects
Service: Civil EngineeringService: Roads and StreetsIndustry: TransportationType: Civil Engineering+52 more

Dorsey & Dorsey Engineering, Inc.

Mobile, AL

Integrity Quality Excellence

Website1 office1 projects1 leaders
Service: Aviation EngineeringService: Airfield DesignIndustry: AviationType: Civil Engineering+17 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 projects
Service: PlanningService: Transportation EngineeringIndustry: TransportationType: Civil Engineering+38 more

E3R Inc

San Diego, CA

Exceptional Employees for Exceptional Results

WebsitePhone1 office4 leaders
Service: Program ManagementService: Cost, schedule, performance, and risk managementIndustry: DefenseType: Defense Engineering+22 more

EPU Engineering

Jacksonville, FL

Railroad Signaling, R&D, and Consulting

Website1 office1 publicationsUpdated Jun 2026
Service: Railroad Signal EngineeringService: Grade CrossingsIndustry: RailType: Electrical Engineering+16 more

Engineering Dynamics

Silver Spring, MD

Engineering is a People Problem.

WebsitePhone1 office14 credentials
Service: Human Factors EngineeringService: Cognitive EngineeringIndustry: DefenseType: Defense Engineering+38 more

Fisher Arnold

Memphis, TN

Clients' Architecture & Engineering Vision Made Real

WebsitePhone1 office6 projects
Service: EngineeringService: Electrical EngineeringIndustry: GovernmentType: Architecture & Engineering+37 more

Garg Consulting Services, Inc.

Rocky Hill, CT

Quality Engineering Beyond Your Expectations

WebsitePhone2 offices2 projects
Service: Structural & Civil EngineeringService: Highway and Railroad Bridge DesignIndustry: GovernmentType: Civil Engineering+41 more

Green Dade, Inc.

Miami, FL

Powering Innovation, Engineering Perfection

WebsitePhone1 office6 projects
Service: Electrical Infrastructure DesignService: Design & ConsultationIndustry: Water SupplyType: Electrical Engineering+21 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: Electrical EngineeringService: Radio Frequency Design and TestingIndustry: TelecommunicationsType: Electrical Engineering+13 more

I.A Engineering, P.C.

Long Island City, NY

Infrastructure. Technology. Together.

WebsitePhone2 offices5 projects
Service: Systems and Technology EngineeringService: Communications and Security SystemsIndustry: RailType: Civil Engineering+32 more

Ingenix Technologies LLC

Engineering Systems That Move From Concept to Deployment

Website2 projects2 leadersSize Estimate: Up to 25 employees
Service: CybersecurityService: Hardware Security AnalysisIndustry: DefenseType: Defense Engineering+23 more

Interrail Engineering Inc

Jacksonville, FL

Keeping the Trains Moving and Our Citizens Safe

WebsitePhone1 office9 projects
Service: Engineering and DesignService: Application ProgrammingIndustry: RailType: Automation & Controls+33 more