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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ACT Engineers, Inc.

Robbinsville, NJ

Civil, Coastal, and Environmental Engineering and Consulting Practice

WebsitePhone3 offices5 projects8 leaders6 credentialsFounded 1991

Project: Arney's Mount West Trail

Service: Civil/Site EngineeringService: Coastal EngineeringService: Flooding and ResiliencyIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+28 more

AE Works

Sewickley, PA

We Make Building Projects a Better Value

WebsitePhone2 offices15 projects1 leaders23 credentials3 publications

Project: Bay Pines VA Medical Center, Electronic Health Records Modernization

Service: Architecture & Interior DesignService: Programming and Test FitsService: Master Planning and Space ConsolidationIndustry: CommercialIndustry: Multifamily ResidentialType: Architecture & Engineering+46 more

AEG - A SOCOTEC Company

Mechanicsburg, PA

Engineering, Surveying, and Inspections

WebsitePhone1 office3 projects3 credentialsUpdated Jun 2026

Project: 95REVIVE Pottstown Expressway Reconstruction

Service: Geotechnical EngineeringService: Geotechnical Engineering and Foundation DesignService: Design of Earth Structures and Retaining WallsIndustry: TransportationIndustry: BridgesType: Geotechnical Engineering+64 more

ARRO Consulting, Inc.

Lititz, PA

Your trusted partner for municipal engineering.

WebsitePhone13 offices8 projects4 leadersFounded 1946Size Estimate: 100-300 employees

Project: Upper Uwchlan Township Municipal Authority Administrator

Service: Civil & MunicipalService: Appointed Engineer representationService: Roadway and Infrastructure RehabilitationIndustry: GovernmentIndustry: UtilitiesType: Civil Engineering+50 more

Acres LLC

West Norriton, PA

Utility Engineering & Infrastructure Design

Website1 office1 leadersFounded 2022Updated Jun 2026

Service detail: Utility Engineering Design

Service: Utility Engineering DesignService: Water Distribution Infrastructure DesignService: Power Distribution Infrastructure DesignIndustry: UtilitiesIndustry: Water SupplyType: Civil Engineering+15 more

Advanced Infrastructure Design, Inc.

Hamilton, NJ

Advanced Infrastructure Design, Inc. (AID) is a consulting engineering practice established in 1998. Headquartered in Hamilton, New Jersey, with an office in Philadelphia, Pennsylvania, it is staffed by licensed Professional Engineers, scientists, researchers, and technicians. The practice specializes in transportation infrastructure preservation, deploying advanced non-destructive testing (NDT) technologies to evaluate and design solutions for roads, bridges, tunnels, airports, substructures, foundations, and parking structures. It is led by President Mojgan Mohtashami, PhD, MBA.

Website2 offices1 leadersFounded 1998Size Estimate: 10-30 employeesUpdated Jun 2026

Service detail: Pavement Engineering

Service: Pavement EngineeringService: Comprehensive Non-Destructive Field TestingService: Functional LCMS AssessmentIndustry: GovernmentIndustry: TransportationType: Civil Engineering+57 more

Advenser

Trevose, PA

VDC / BIM / CAD Services & Consulting

WebsitePhone8 officesFounded 2007Size Estimate: 100-999 employeesUpdated Jun 2026

Service detail: VDC & BIM Services

Service: VDC & BIM ServicesService: Architectural BIM ServicesService: Structural BIMIndustry: HealthcareIndustry: InfrastructureType: Architecture & Engineering+32 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

Alliance Consulting, Inc.

Beaver, WV

Professional Consulting Services

WebsitePhone2 offices6 projects15 credentialsFounded 2001Updated Jun 2026

Project: Flat Top Lake Dam

Service: Civil EngineeringService: Site Development ServicesService: Structural Engineering ServicesIndustry: MiningIndustry: Oil & GasType: Civil Engineering+53 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

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

Buchart Horn, Inc.

York, PA

Shaping the built environment with precision, creativity, and purpose since 1945

WebsitePhone9 offices6 projects4 leadersFounded 1945Size Estimate: 100-500 employees

Project: I-40/I-240 Interchange Improvements, Memphis, TN

Service: Water Resources EngineeringService: Wastewater treatment plant engineeringService: Water distribution and collection systemsIndustry: Water ResourcesIndustry: WastewaterType: Architecture & Engineering+41 more

C.C. Johnson & Malhotra, P.C.

Baltimore, MD

Provide the Highest Level of Service to Our Clients While Delivering Value

WebsitePhone6 offices16 projects8 leadersFounded 1979Size Estimate: 50-100 employees

Project: 540 West Madison

Service: Buildings and FacilitiesService: HVAC Systems DesignService: Electrical Power and LightingIndustry: CommercialIndustry: RetailType: Civil Engineering+58 more

CMT Services Group

West Conshohocken, PA

CMT Services Group is a geotechnical engineering, materials testing, and construction special inspection firm based in West Conshohocken, Pennsylvania, serving clients throughout the Tri-State region (Pennsylvania, New Jersey, and Delaware). CMT provides geotechnical consulting, construction materials testing, ICC code special inspections, forensic investigation and non-destructive testing, environmental consulting, and AASHTO-accredited laboratory testing for commercial, healthcare, education, government, industrial, hospitality, and multifamily residential projects.

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Construction Materials TestingService: ICC Code Special InspectionsIndustry: CommercialIndustry: GovernmentType: Geotechnical Engineering+12 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

Campos EPC, LLC

Denver, CO

The Leader In Energy Infrastructure

WebsitePhone20 offices1 projects11 leaders3 publicationsFounded 2005

Project: 350MW Data Center Power Generation & Substation Facility

Service: EngineeringService: Pipeline EngineeringService: Transmission And Midstream Pipeline DesignIndustry: Oil & GasIndustry: UtilitiesType: EPC+51 more

Carroll Engineering Corporation

Warrington, PA

Expert Engineering & Surveying Solutions

WebsitePhone5 offices2 projects8 leaders1 credentialsFounded 1973

Project: Borough of Freemansburg Main Street Reconstruction Project

Service: Wastewater EngineeringService: Water Facilities EngineeringService: Municipal EngineeringIndustry: GovernmentIndustry: ResidentialType: Civil Engineering+27 more

Catania Engineering Associates

Folsom, PA

Top civil engineering company in the Delaware Valley

WebsitePhone1 office6 projects5 leaders6 credentialsFounded 1964

Project: Harrah's Chester Racetrack and Casino

Service: Residential EngineeringService: Property Line SurveysService: FEMA Flood Elevation CertificatesIndustry: ResidentialIndustry: CommercialType: Civil Engineering+22 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

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

Continental Tide Defense Systems, Inc.

Wyomissing, PA

Continental Tide Defense Systems, Inc. (Continental Tide) provides programmatic, engineering, and technical services to the U.S. Navy, U.S. Coast Guard, Military Sealift Command, and other DoD organizations. Headquartered in Wyomissing, Pennsylvania, with offices near major naval installations in Virginia, California, Pennsylvania, Connecticut, and New Hampshire, it supports naval fleet operations through shipboard systems maintenance, modernization, engineering project delivery, and quality assurance management.

WebsitePhone6 offices8 leaders3 credentialsUpdated Jun 2026

Service detail: Maintenance & Modernization

Service: Maintenance & ModernizationService: Weapons & Combat SystemsService: Navigation, Bridge & Ship Control SystemsIndustry: DefenseIndustry: GovernmentType: Defense Engineering+13 more

David Laird Associates, Inc.

Erie, PA

David Laird Associates, Inc. is a civil engineering and land surveying practice established in 1960 in Erie, Pennsylvania, serving Northwestern Pennsylvania and Western New York. Founded by David Laird and now led by his son John Laird, P.L.S., the team provides boundary surveys, ALTA surveys, stormwater management, erosion and sediment control, and land development planning to government agencies, private developers, and individual property owners. David Laird Associates maintains an extensive historical archive of engineering records dating back to the 1870s, acquired from predecessor firms including ACME Engineers, McManus Engineering, Lake Engineering, and The Supplee Engineering Company.

WebsitePhone1 office3 leadersFounded 1960Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: ADA DesignService: Commercial DevelopmentIndustry: Land DevelopmentIndustry: CommercialType: Civil Engineering+29 more

Design Management Group

Pittston, PA

Building Systems Smarter

WebsitePhone3 officesUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Building HVAC & Thermal DesignService: Central Plant SystemsIndustry: CommercialIndustry: Data CentersType: MEP+37 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