Public engineering firm directory

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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

Advantage Engineering Associates, P.C.

Cranbury, NJ

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

WebsitePhone2 offices8 projects10 leadersFounded 2004Size Estimate: 70-249 employees

Project: Route 440 Ramp Over Route 35 Bridge Deck Replacement

Service: Transportation EngineeringService: Highway and Traffic EngineeringService: Intelligent Transportation Systems (ITS) EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+26 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

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

Apital Inc.

New York City, NY

Steering The Rail Industry To A Digital And Sustainable Future

Website1 officeUpdated Jun 2026

Service detail: Rail Signaling and Train Control Systems

Service: Rail Signaling and Train Control SystemsService: CBTC/PTC System Design and DeploymentService: System Engineering and VerificationIndustry: RailIndustry: TransitType: Transportation Engineering+25 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

Bryant Associates, Inc.

Boston, MA

Your infrastructure challenges. Solved.

WebsitePhone5 offices5 leadersFounded 1976Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: GovernmentIndustry: DefenseType: Civil Engineering+19 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

Cantos Inc.

New York, NY

YOU WANT IT, We Build It.

WebsitePhone1 office5 projects11 leaders1 credentialsSize Estimate: 10-49 employees

Project: Penn Station Phase 1

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: TransitIndustry: BridgesType: Architecture & Engineering+12 more

Cashin Associates, P.C.

Hauppauge, NY

Multi-Disciplinary Engineering, Planning, Construction Management & Environmental Consulting

Website1 office6 projectsFounded 1959Updated Jun 2026

Project: September 11 Memorial Park

Service: Civil and Site EngineeringService: Roadway and Highway DesignService: Waterfront Facilities Design and ConstructionIndustry: GovernmentIndustry: Parks & Open SpaceType: Civil Engineering+41 more

City and Sea Group LLC (CAS Group)

The Woodlands, TX

From concept to completion, CAS Group is your trusted partner for successful project delivery.

WebsitePhone2 offices3 projects3 leaders1 credentialsFounded 2010

Project: Small-Scale LNG Facility

Service: Advisory ServicesService: Investment Opportunities Advisory & Due DiligenceService: Project Development Advisory ServicesIndustry: MarineIndustry: Ports & HarborsType: Civil Engineering+44 more

Columbia Consulting Engineers, PLLC

New York, NY

Our vision is to connect the world through infrastructure

WebsitePhone1 officeFounded 2020Updated Jun 2026

Service detail: Engineering Design

Service: Engineering DesignService: Roads EngineeringService: Bridge EngineeringIndustry: BridgesIndustry: Highways & RoadsType: Civil Engineering+12 more

Concept Engineering Services, P.C.

New Hyde Park, NY

Concept Engineering Services, P.C. is a multi-disciplined engineering consulting and construction management practice headquartered in New Hyde Park, New York. Founded by principals with experience in public agencies, prime consultants, and major contractors, it specializes in resident engineering and inspection, construction management, and infrastructure engineering for federal, state, and local projects. The practice serves clients across highways, bridges, rail, and transit with a dedicated staff of licensed Professional Engineers.

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Resident Engineering and Inspection

Service: Resident Engineering and InspectionService: Provides Field InspectionService: Oversight To Verify That Construction Work Aligns With Contract DocumentsIndustry: Highways & RoadsIndustry: BridgesType: Civil Engineering+32 more

Concord Engineering Group Inc

Voorhees, NJ

Building Your Tomorrow!

WebsitePhone3 offices5 projects10 leaders1 credentialsFounded 1989

Project: Mount Airy Casino Resort

Service: Commercial & MEP/FP EngineeringService: Mechanical and HVACService: Electrical EngineeringIndustry: CommercialIndustry: Multifamily ResidentialType: MEP+37 more

Conemco Consultants

Miami, FL

Conemco Consultants is a full-service engineering and land surveying firm headquartered in Miami, Florida, with offices in Palm Beach, Broward, and New York. It delivers structural, civil, and MEP engineering design; structural and civil inspection and special inspection services; construction management; and land surveying and mapping. With more than 100 years of collective staff experience and over 1,000 completed projects, Conemco serves both the public and private sectors across Florida, New York, and other states. It is a certified special inspection agency in Florida and New York, and holds certified inspector status in NY, FL, GA, TX, and AL. Clients span commercial, residential, hospitality, education, healthcare, aviation, government, and water/wastewater sectors.

WebsitePhone3 offices2 credentialsUpdated Jun 2026

Service detail: Structural Engineering Design

Service: Structural Engineering DesignService: Structural Design & BIM/3D ModelingService: Structural Restoration & Repair PlansIndustry: CommercialIndustry: ResidentialType: Structural Engineering+25 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

DM Engineers PLLC

Sunnyside, NY

We design the future with high-level engineering.

WebsitePhone5 offices12 projects8 leaders2 credentialsSize Estimate: 10-50 employees

Project: Natatorium AHU Replacement

Service: Mechanical, Electrical & Plumbing DesignService: HVAC System DesignService: Electrical Power DistributionIndustry: CommercialIndustry: ResidentialType: MEP+31 more

DY Consultants

New York, NY

Helping Our Clients Reach New Heights

WebsitePhone1 office15 projects11 leaders1 credentialsFounded 1991

Project: JFK New Terminal 1

Service: Airport PlanningService: Aviation Planning Standards ComplianceService: Master Plan Vision ImplementationIndustry: AviationIndustry: AirportsType: Aviation Engineering+35 more

Delaware Engineering, D.P.C.

Albany, NY

Delaware Engineering, D.P.C. is a civil and environmental engineering practice serving primarily municipalities across eastern New York State, including the Capital District, Hudson and Mohawk Valleys, Southern Tier, Catskills, Lower Hudson Valley, and North Country. With a dedicated team of over 70 engineers, scientists, planners, and technicians, the practice delivers services spanning wastewater treatment and collection, potable and process water, stormwater management, inflow and infiltration analysis, public buildings, community planning, economic development, GIS, environmental studies, permitting, and public infrastructure grant writing. Delaware Engineering has assisted numerous municipalities in securing hundreds of millions of dollars in infrastructure funding.

WebsitePhone6 officesSize Estimate: 70+ employeesUpdated Jun 2026

Service detail: Wastewater

Service: WastewaterService: Wastewater TreatmentService: Wastewater Collection SystemsIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+32 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 projects3 leaders11 credentialsFounded 1962

Project: Glencliff Micro-Hydro

Service: PlanningService: Transportation EngineeringService: Bicycle and Pedestrian InfrastructureIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+36 more

Earth Design Associates, Inc.

Hartford, CT

Consulting Engineers and Scientists

WebsitePhone2 offices1 leadersUpdated Jun 2026

Service detail: Civil and Geotechnical Engineering

Service: Civil and Geotechnical EngineeringService: Geotechnical Site InvestigationsService: Foundation DesignIndustry: TransportationIndustry: InfrastructureType: Civil Engineering+25 more

Elmira Structures, Inc.

Elmira, NY

Elmira Structures, Inc. (ESI) is a family-owned general contracting and design-build firm based in Elmira, NY, providing a full spectrum of commercial construction services since 1973. Led by licensed professional civil engineers across three generations of the Vieselmeyer family, ESI delivers pre-construction planning, general contracting, construction management, and design-build services for commercial, educational, and retail projects throughout upstate New York.

WebsitePhone1 office4 projects4 leadersFounded 1973Updated Jun 2026

Project: Dundee CSD Bus Garage Reconstruction

Service: Pre-Construction ServicesService: Design reviewService: Phasing plansIndustry: CommercialIndustry: EducationType: Civil Engineering+21 more

Excelsior Engineering & Land Surveying P.C.

New York, NY

Providing Premier Engineering Throughout the Tri-State Area and Florida

Website1 office2 projects1 leadersUpdated Jun 2026

Project: 95th Street Shellbank Basin Infrastructure Improvements

Service: Construction ManagementService: Resident Engineering InspectionService: Construction InspectionIndustry: InfrastructureIndustry: Highways & RoadsType: Civil Engineering+42 more

Frame Design Corp

New York, NY

Trusted Structural Engineering Firm

Website1 officeUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Constructability ReviewsService: Construction ManagementIndustry: CommercialType: Structural Engineering+12 more