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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A D Marble Co Inc

King of Prussia, PA

Environmental, Cultural, and Water Resources Engineering

Website4 offices5 leadersUpdated Jun 2026
Service: Environmental EngineeringService: Environmental Clearance and PermittingIndustry: FederalType: Environmental Engineering+16 more

A&A Consultants Inc

McKees Rocks, PA

Specializing in geotechnical, structural, and civil engineering excellence

WebsitePhone3 offices7 projects
Service: Bridge Design and InspectionsService: Bridge DesignIndustry: TransportationType: Civil Engineering+24 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 projects
Service: MEP EngineeringService: Mechanical and HVAC Systems DesignIndustry: TransitType: MEP+19 more

ACT Engineers, Inc.

Robbinsville, NJ

Civil, Coastal, and Environmental Engineering and Consulting Practice

WebsitePhone3 offices5 projects
Service: Civil/Site EngineeringService: Coastal EngineeringIndustry: GovernmentType: Civil Engineering+30 more

AE Dynamics LLC

Bozeman, MT

Your Partner for Efficient and Effective Design

WebsitePhone2 offices4 projects
Service: Structural EngineeringService: Primary Structure DesignIndustry: CommercialType: Structural Engineering+15 more

AE Works

Sewickley, PA

We Make Building Projects a Better Value

WebsitePhone2 offices15 projects
Service: Architecture & Interior DesignService: Programming and Test FitsIndustry: CommercialType: Architecture & Engineering+48 more

AED Energy Services

Wyomissing, PA

Designing America's Energy Lifelines

WebsitePhone4 offices9 leaders
Service: Chemical and Process DesignService: Documentation and AnalysisIndustry: Oil & GasType: Chemical Engineering+66 more

ARM Group LLC

Hummelstown, PA

Precise. Responsive. Solutions.

WebsitePhone1 office1 projects
Service: Civil Engineering & Land SurveyingService: Site Planning & EntitlementIndustry: CommercialType: Automation & Controls+54 more

ARRO Consulting, Inc.

Lititz, PA

Your trusted partner for municipal engineering.

WebsitePhone13 offices8 projects
Service: Civil & MunicipalService: Appointed Engineer representationIndustry: GovernmentType: Civil Engineering+52 more

AVM Ventures, LLC

Harrisburg, PA

Sustainable Engineering Solutions. Simplified.

WebsitePhone1 office1 leaders
Service: Water EngineeringService: Water Treatment DesignIndustry: WastewaterType: Water / Wastewater Engineering+24 more

Acela Architects + Engineers, PC

Allentown, PA

Innovation. Integrated

WebsitePhone1 office4 projects
Service: ArchitectureService: Conceptual and schematic designIndustry: ResidentialType: Civil Engineering+30 more

Acres LLC

West Norriton, PA

Utility Engineering & Infrastructure Design

Website1 office1 leadersFounded 2022
Service: Utility Engineering DesignService: Water Distribution Infrastructure DesignIndustry: UtilitiesType: Civil Engineering+17 more

Advanced Integration Group, Inc.

McKees Rocks, PA

Be in Control.

WebsitePhone1 office2 projects
Service: Control Systems Design and ImplementationService: PLC ProgrammingIndustry: Power GenerationType: Automation & Controls+39 more

Advantus Engineers

Pittsburgh, PA

Advantus Engineers is a Pittsburgh-based engineering consulting practice founded in 2004, specializing in building commissioning, sustainability consulting, MEP assessments, construction quality assurance, and environmental compliance. It serves public, institutional, and commercial clients across the Pittsburgh region. Over more than two decades, the practice has supported LEED certifications, water quality programs, and on-call MEP engineering for clients including the Pittsburgh Water and Sewer Authority and the David L. Lawrence Convention Center.

WebsitePhone1 office7 projects
Service: Building CommissioningService: Design and Submittal AnalysisIndustry: GovernmentType: MEP+42 more

Advenser

Trevose, PA

VDC / BIM / CAD Services & Consulting

WebsitePhone8 officesFounded 2007
Service: VDC & BIM ServicesService: Architectural BIM ServicesIndustry: HealthcareType: Architecture & Engineering+34 more

Aegis

Silver Spring, MD

Keeping Construction Projects on Track

WebsitePhone8 offices5 projects
Service: Planning & SchedulingService: CPM Schedule DevelopmentIndustry: InfrastructureType: Owner's Engineer+31 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 1992
Service: Civil EngineeringService: Subdivision & Land Development DesignIndustry: ResidentialType: Civil Engineering+20 more

Allen + Shariff

Columbia, MD

Engineering Together

WebsitePhone7 offices3 projects
Service: MEP EngineeringService: Mechanical EngineeringIndustry: CommercialType: MEP+36 more

Alliance Consulting, Inc.

Beaver, WV

Professional Consulting Services

WebsitePhone2 offices6 projects
Service: Civil EngineeringService: Site Development ServicesIndustry: MiningType: Civil Engineering+55 more

American Geotechnical & Environmental Services, Inc.

Canonsburg, PA

American Geotechnical & Environmental Services (A.G.E.S.), Inc. is a specialty engineering practice that provides comprehensive geotechnical design and environmental services. Headquartered in Canonsburg, Pennsylvania, with branch offices in King of Prussia, Pennsylvania, McLean, Virginia, and New Jersey, it has grown to become one of the largest specialty geotechnical consultancies in the northeastern United States. The practice focuses on delivering geotechnical engineering solutions for public infrastructure projects, including highways, bridges, transit, rail, aviation, and water resources.

WebsitePhone3 offices12 leaders
Service: Geotechnical EngineeringService: Subsurface Explorations and InstrumentationIndustry: TransportationType: Geotechnical Engineering+13 more

Anchor QEA

Seattle, WA

Transforming Our Environment and Communities, with Integrity and Vibe

WebsitePhone28 offices4 projects
Service: EngineeringService: Civil EngineeringIndustry: Power GenerationType: Civil Engineering+48 more

Anchorpoint Engineering Inc

College Station, TX

Power Delivery Engineering built for real-world execution

Website4 officesUpdated Jun 2026
Service: Transmission EngineeringService: Line Design and ModelingIndustry: Power Transmission & DistributionType: Power & Utility Engineering+41 more

Arora Engineers

Chadds Ford, PA

Rethinking Infrastructure

WebsitePhone1 officeFounded 1986
Service: Planning and DesignService: Engineering Planning And Design Across AviationIndustry: AviationType: Aviation Engineering+20 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
Service: Distribution EngineeringService: Greenfield Distribution DesignIndustry: Electric UtilitiesType: Power & Utility Engineering+32 more