Public engineering firm directory

Find engineering consulting firms by capability and location.

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A&A Consultants Inc

McKees Rocks, PA

Specializing in geotechnical, structural, and civil engineering excellence

WebsitePhone3 offices7 projects8 credentialsFounded 1996Updated Jun 2026

Project: Big Beaver Bridge

Service: Bridge Design and InspectionsService: Bridge DesignService: Bridge InspectionsIndustry: TransportationIndustry: BridgesType: Civil Engineering+22 more

A. G. Consulting Engineering, PC

New York, NY

A. G. Consulting Engineering, PC is an established MEP and construction management consulting practice. It offers mechanical, electrical, plumbing, fire protection, fire engineering, LEED consulting, special inspection, and construction management services for infrastructure, institutional, and public works projects.

WebsitePhone5 offices8 projects7 leaders13 credentialsFounded 1994

Project: NYCT Fulton Street Transit Center

Service: MEP EngineeringService: Mechanical and HVAC Systems DesignService: Electrical Systems EngineeringIndustry: TransitIndustry: RailType: MEP+17 more

Advanced Integration Group, Inc.

McKees Rocks, PA

Be in Control.

WebsitePhone1 office2 projects5 credentialsUpdated Jun 2026

Project: Lock and Dam Control Systems - Ohio River

Service: Control Systems Design and ImplementationService: PLC ProgrammingService: SCADA DevelopmentIndustry: Power GenerationIndustry: ManufacturingType: Automation & Controls+37 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

Airport Design Consultants, Inc.

Columbia, MD

A focused leader in Aviation Consulting Services since 2006

Website8 offices4 leaders15 credentialsFounded 2006Updated Jun 2026
Service: Airfield DesignService: Airport PlanningService: Terminal & Landside DesignIndustry: AirportsIndustry: AviationType: Aviation Engineering+4 more

All County and Associates, Inc.

Gilbertsville, PA

All County and Associates, Inc. (ACA) is a full-service civil engineering, land surveying, and environmental permitting firm established in 1992 and located in Gilbertsville, Pennsylvania. ACA serves clients across fifteen counties in eastern Pennsylvania, covering Berks, Bucks, Carbon, Chester, Delaware, Lackawanna, Lancaster, Lehigh, Luzerne, Montgomery, Monroe, Northampton, Pike, Schuylkill, and southern Wayne counties. The practice serves architects, builders, contractors, developers, homeowners, home inspectors, and real estate agents with a focus on helping clients navigate permitting and regulatory processes.

WebsitePhone1 officeFounded 1992Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Subdivision & Land Development DesignService: Stormwater ManagementIndustry: ResidentialIndustry: CommercialType: Civil Engineering+18 more

Anchor QEA

Seattle, WA

Transforming Our Environment and Communities, with Integrity and Vibe

WebsitePhone28 offices4 projects4 leadersSize Estimate: 200-1,000 employeesUpdated Jun 2026

Project: Hancock County Marsh Living Shoreline

Service: EngineeringService: Civil EngineeringService: Coastal ResilienceIndustry: Power GenerationIndustry: FederalType: Civil Engineering+46 more

Anchorpoint Engineering Inc

College Station, TX

Power Delivery Engineering built for real-world execution

Website4 officesUpdated Jun 2026

Service detail: Transmission Engineering

Service: Transmission EngineeringService: Line Design and ModelingService: PLS-CADD Modeling and AnalysisIndustry: Power Transmission & DistributionIndustry: Electric UtilitiesType: Power & Utility Engineering+39 more

Azar Design Co PC

Buffalo, NY

Bridging grace and imagination with functionality while delivering pragmatic solutions.

WebsitePhone5 offices4 projects8 leaders2 credentialsFounded 1979

Project: Jacobs School of Medicine & Biomedical Sciences

Service: ArchitectureService: Architectural DesignService: Historic PreservationIndustry: EducationIndustry: HealthcareType: Architecture & Engineering+112 more

CP Engineers

Sparta, NJ

Transforming challenges into opportunities since 1983.

WebsitePhone3 offices1 projects6 leaders11 credentialsFounded 1983

Project: New Sanitary Sewer at Island Beach State Park

Service: Civil & Municipal EngineeringService: Site Civil EngineeringService: Government Facilities DesignIndustry: GovernmentIndustry: UtilitiesType: Architecture & Engineering+46 more

CSA Group

San Juan, PR

Full-Service Project Delivery and Program Management

WebsitePhone8 offices5 projects5 leaders4 credentialsSize Estimate: 50-199 employees

Project: PR-52 Congestion Management Project

Service: Program & Construction ManagementService: Program ManagementService: Construction ManagementIndustry: AirportsIndustry: CommercialType: Architecture & Engineering+37 more

CSD Engineers, LLC

Pittsburgh, PA

Engineering & Management Solutions

WebsitePhone1 office2 leaders4 credentialsFounded 2008Updated Jun 2026

Service detail: Project Management and Controls

Service: Project Management and ControlsService: Project ManagementService: Project Controls and SchedulingIndustry: Oil & GasIndustry: PetrochemicalType: Civil Engineering+37 more

Cedarville Engineering Group, LLC

Pottstown, PA

Plan. Design. Build. Greatness.

WebsitePhone1 office8 projectsFounded 2010Size Estimate: 25-100 employeesUpdated Jun 2026

Project: Industrial Stormwater Compliance

Service: Civil EngineeringService: Capital Improvements Planning and DesignService: Stormwater Management DesignIndustry: FederalIndustry: GovernmentType: Civil Engineering+71 more

Century 3 Inc.

Greer, SC

Century 3 Inc. (C3) is an industrial engineering and construction company founded in 1977 in Greer, SC. C3 delivers engineering design, procurement, self-perform industrial construction, construction management, facility relocation, and maintenance services to clients in the food and beverage, pharmaceutical and life science, advanced manufacturing, automotive, chemical, high-tech, mission-critical, and general industrial markets. With 1,500 or more engineering and construction professionals, C3 holds professional engineering licenses and unlimited general contractor licenses throughout the United States, as well as trade-specific electrical, mechanical, plumbing, and piping contractor licenses. US offices are in Greer SC, Augusta GA, Pittsburgh PA, and Phoenix AZ, with additional international entities in China and Europe.

Website4 offices6 leadersFounded 1977Size Estimate: 1,500+ employeesUpdated Jun 2026

Service detail: Engineering Design

Service: Engineering DesignService: Self-Perform Industrial ConstructionService: ProcurementIndustry: Food & BeverageIndustry: PharmaceuticalType: Industrial Engineering+12 more

Cintar Inc.

Glenshaw, PA

Multidisciplinary Engineering & Consulting Services

Website1 office1 projects7 credentials5 publicationsFounded 1983Size Estimate: 100+ employees

Project: ATI Shanghai STAL Project

Service: Civil & Structural EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: MetalsIndustry: Power GenerationType: Civil Engineering+31 more

Cosmos Technologies, Inc.

Pittsburgh, PA

Innovation for the Future

WebsitePhone5 officesFounded 1998Updated Jun 2026

Service detail: Civil Site Design & Development

Service: Civil Site Design & DevelopmentService: Site PlanningService: Design From Concept Through Construction AdministrationIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+36 more

D&B Engineers and Architects, DPC

Woodbury, NY

A Legacy Engineered From A Vision

WebsitePhone7 offices8 projects20 leadersFounded 1965Size Estimate: 100-499 employees

Project: Atlantic County Utilities Authority Project

Service: ArchitectureService: Sustainable DesignService: BIM & Technology-Driven DesignIndustry: CommercialIndustry: EducationType: Architecture & Engineering+37 more

Daniel Consultants, Inc.

Columbia, MD

Planning & Engineering for Transportation

WebsitePhone4 offices1 projects1 leaders5 credentialsFounded 1982

Project: MDTA ITS Engineering Design

Service: Transportation EngineeringService: Traffic EngineeringService: Transportation PlanningIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+15 more

Drm International Inc

Radnor, PA

Proven. Driven. Visionary.

Website2 offices1 leaders2 credentialsFounded 2000Updated Jun 2026

Service detail: Construction Management

Service: Program ManagementService: Construction ManagementService: Construction AdministrationIndustry: RailIndustry: TransitType: Architecture & Engineering+20 more

Dynamic Engineering Consultants, PC

Lake Como, NJ

Civil Engineering Consultants with Experience

WebsitePhone14 officesSize Estimate: 360 employeesUpdated Jun 2026

Service detail: Site Civil Engineering

Service: Site Civil EngineeringService: Permitting and EntitlementsService: Stormwater ManagementIndustry: Land DevelopmentIndustry: CommercialType: Civil Engineering+15 more

Echidna Integrity LLC

Towanda, PA

Expert corrosion control services, featuring cathodic protection testing and design

WebsitePhone1 office1 leaders4 credentialsUpdated Jun 2026

Service detail: Cathodic Protection Design

Service: Cathodic Protection DesignService: Basis of design assessmentService: Replacement or supplemental cathodic protectionIndustry: Oil & GasIndustry: DefenseType: Materials Engineering+30 more

ExecuPOWER

King of Prussia, PA

Powering our future through partnerships, principles, and passion.

WebsitePhone1 office5 leadersSize Estimate: 25-50 employeesUpdated Jun 2026

Service detail: Substation Engineering

Service: Substation EngineeringService: Protection and Control DesignService: Outdoor Electrical (Physical) Substation DesignIndustry: Electric UtilitiesIndustry: Renewable EnergyType: Power & Utility Engineering+43 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.

Allentown, PA

Ingenuity That Shapes Lives

WebsitePhone5 offices4 leadersUpdated Jun 2026

Service detail: Transportation

Service: TransportationService: Roadway and Highway DesignService: Bridge DesignIndustry: TransportationIndustry: AviationType: Transportation Engineering+38 more