Public engineering firm directory

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AED Energy Services

Wyomissing, PA

Designing America's Energy Lifelines

WebsitePhone4 offices9 leaders4 credentialsFounded 1989Updated Jun 2026

Service detail: Chemical and Process Design

Service: Chemical and Process DesignService: Documentation and AnalysisService: Specialized CalculationsIndustry: Oil & GasIndustry: PetrochemicalType: Chemical Engineering+64 more

Advanced Simulation Technology, Inc.

Aston, PA

Creatively combining classic and emerging engineering technologies

WebsitePhone1 officeUpdated Jun 2026

Service detail: Product Design

Service: Product DesignService: Computer-Aided Design (CAD)Service: Finite Element Analysis (FEA)Industry: GovernmentIndustry: DefenseType: Mechanical Engineering+20 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

Asplundh Engineering Services, LLC

Horsham, PA

The name you trust for power generation, transmission and distribution infrastructure engineering services

Website1 office4 projectsUpdated Jun 2026

Project: Eversource Utilities Distribution Services

Service: Distribution EngineeringService: Greenfield Distribution DesignService: System Investigation and NESC ComplianceIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Power & Utility Engineering+30 more

B&C Transit Inc.

Oakland, CA

Engineering Human Solutions

WebsitePhone4 officesUpdated Jun 2026

Service detail: Train Control Systems

Service: Train Control SystemsService: Networked Central Control SystemsService: Train Local Control Panel SystemsIndustry: TransitIndustry: RailType: Automation & Controls+16 more

Benchmark Civil Engineering Services, Inc.

Allentown, PA

Benchmark Civil Engineering Services provides civil engineering, traffic and transportation, land development, land surveying, municipal review, and expert witness services in the Lehigh Valley and Eastern Pennsylvania region. Founded in 1994 and headquartered in Allentown, Pennsylvania, Benchmark serves commercial builders, municipalities, and landowners across Pennsylvania, New York, New Jersey, and the Philadelphia area. The firm employs state-of-the-art robotics and electronic surveying equipment alongside current CAD software to deliver engineering and surveying solutions.

WebsitePhone1 officeFounded 1994Updated Jun 2026

Service detail: Traffic & Transportation

Service: Traffic & TransportationService: Construction EngineeringService: Land DevelopmentIndustry: TransportationIndustry: Land DevelopmentType: Civil Engineering+7 more

Bridge Diagnostics, Inc.

Louisville, CO

Protecting What You Build

WebsitePhone6 offices1 projects2 publicationsFounded 1989Size Estimate: 50-100 employees

Project: Runway Pavement Sensor System at Charlotte Douglas International Airport

Service: Diagnostic Load TestingService: Structural Health MonitoringService: Nondestructive Evaluation (NDE) and TestingIndustry: TransportationIndustry: Power GenerationType: Civil Engineering+23 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.S. Davidson, Inc.

York, PA

Engineering A Better Community

WebsitePhone3 offices7 projects3 leadersFounded 1923Size Estimate: 50-249 employees

Project: Memorial Park - Poorhouse Run Stream Restoration

Service: Municipal EngineeringService: Roadway & Street DesignService: Stormwater ManagementIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+26 more

Cardinal Engineering, LLC

Annapolis, MD

Efficiently and cost-effectively bringing you the best result.

WebsitePhone4 offices6 leaders1 credentialsFounded 2010Size Estimate: 10-49 employees

Service detail: Structures Engineering

Service: Structures EngineeringService: Finite Element AnalysisService: Structural Composite TechnologiesIndustry: DefenseIndustry: FederalType: Defense Engineering+24 more

Compass Systems, Inc.

Lexington Park, MD

American Precision for Mission-Ready Technologies

WebsitePhone10 offices4 leaders2 credentialsFounded 1997Updated Jun 2026

Service detail: Research and Development

Service: Research and DevelopmentService: AI-Enabled Decision SupportService: Augmented Reality and TrainingIndustry: DefenseIndustry: AerospaceType: Defense Engineering+27 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

ELCON Technologies

Bridgeville, PA

Engineering Services and Solutions for Automation, Electrical Power, and Electromechanical Processes

WebsitePhone2 offices10 credentialsFounded 1988Updated Jun 2026

Service detail: Industrial Automation and Process Control

Service: Industrial Automation and Process ControlService: Machine ControlService: Process Control and SCADAIndustry: Automation & ControlsIndustry: IndustrialType: Electrical Engineering+24 more

Eisenhauer Engineering Group Inc.

Harrisburg, PA

Structural Engineering and Consulting

WebsitePhone1 officeUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Segmental Retaining Wall DesignService: Building Information Modeling (BIM)Industry: CommercialIndustry: ResidentialType: Structural Engineering+13 more

Equipment & Controls, Inc.

Lawrence, PA

One ECI: Single Source Accountability

WebsitePhone1 office6 leaders4 credentialsUpdated Jun 2026

Service detail: Control System Services

Service: Control System ServicesService: ConfigurationService: ImplementationIndustry: Automation & ControlsIndustry: Oil & GasType: Automation & Controls+23 more

French Engineering, LLC

Smithfield, PA

We Are Focused on Shaping the Future of Transportation

WebsitePhone1 office6 projects2 leadersFounded 2004Size Estimate: 1-9 employees

Project: SR 62-20M Roadway Improvements

Service: Traffic & Safety StudiesService: Transportation Impact Studies (TIS)Service: Traffic Data CollectionIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+20 more

GEI Consultants, Inc.

New York City, NY

Relentless seekers of the best solutions.

Website4 offices13 projects6 leaders3 credentialsUpdated Jun 2026

Project: Royse City, Texas Drainage Master Plan

Service: Geotechnical EngineeringService: Geostructural DesignService: Building Envelope ServicesIndustry: Water ResourcesIndustry: Water SupplyType: Geotechnical Engineering+40 more

GFT Infrastructure, Inc.

Chicago, IL

Ingenuity That Shapes Lives

WebsitePhone12 offices10 projects10 leaders8 credentials3 publications

Project: O'Hare International Airport Terminal 5 Expansion

Service: Transportation EngineeringService: Roadway Planning and EngineeringService: High-Availability Transit FacilitiesIndustry: TransportationIndustry: BridgesType: Architecture & Engineering+43 more

Gatter & Diehl

Mechanicsburg, PA

Together. Shaping The Future.

WebsitePhone2 offices2 leaders1 credentialsFounded 1946Updated Jun 2026

Service detail: Pre-Construction Planning

Service: Pre-Construction PlanningService: Mechanical EngineeringService: HVAC DesignIndustry: HealthcareIndustry: Senior LivingType: MEP+14 more

GeoTech Engineering, Inc.

Morrisdale, PA

Providing concise and cost-effective engineering solutions

WebsitePhone3 offices2 credentialsFounded 1996Updated Jun 2026

Service detail: Civil/Site Engineering

Service: Civil/Site EngineeringService: Commercial, Industrial and Retail Site DevelopmentService: Residential Site Feasibility StudiesIndustry: MiningIndustry: Oil & GasType: Civil Engineering+39 more

Glenn Engineering and Associates, Ltd.

North Huntingdon, PA

Glenn Engineering and Associates, Ltd. is a consulting engineering firm specializing in municipal, civil, and environmental engineering since 1978. Founded to provide economical, accessible, and local infrastructure-related engineering expertise to Southwestern Pennsylvania, the practice serves communities in Allegheny and Westmoreland Counties and has secured millions of dollars in grant funding for clients for buildings, recreation, roadways, utilities, and demolition projects.

WebsitePhone1 officeFounded 1978Updated Jun 2026

Service detail: Municipal Engineering

Service: Municipal EngineeringService: ConstructionService: Water, Wastewater, and UtilitiesIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+7 more

Global Max LLC

Valley Forge, PA

The Peak of Innovation

Website1 officeUpdated Jun 2026

Service detail: Satellite and Ground Enterprise Support

Service: Satellite and Ground Enterprise SupportService: Architecture DefinitionService: Hardware ExpertiseIndustry: DefenseIndustry: Intelligence & National SecurityType: Aerospace Engineering+24 more

Green Expert Technology Inc.

Haddonfield, NJ

Helping Clients Reach Their Mission. Helping Employees Reach Their Goals.

WebsitePhone6 offices5 projects6 leaders6 credentialsUpdated Jun 2026

Project: Support for US Navy Machinery Control Systems on DDG 51 Class Ships

Service: Systems EngineeringService: Integrated Bridge & Navigation SystemsService: Steering & Ship Control SystemsIndustry: DefenseIndustry: FederalType: Defense Engineering+26 more

Hargrove Engineers & Constructors

Mobile, AL

The right people. The right place. The right time.

WebsitePhone18 offices1 credentialsSize Estimate: 2,700 employeesUpdated Jun 2026

Service detail: Engineering Design

Service: Engineering DesignService: Conceptual and Front End StudiesService: Capital Projects EngineeringIndustry: AgricultureIndustry: ChemicalsType: EPC+27 more