Public engineering firm directory

Find engineering consulting firms by capability and location.

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Acoustic Distinctions, Inc.

New York, NY

Design in Harmony

WebsitePhone4 offices3 leadersUpdated Jun 2026

Service detail: Acoustics Consulting

Service: Acoustics ConsultingService: Architectural AcousticsService: Room Acoustics DesignIndustry: Arts & CultureIndustry: EducationType: Acoustic Consulting+18 more

Altieri Sebor Wieber, LLC

Wilton, CT

Making Bold Visions Work

WebsitePhone2 offices5 projects1 leaders2 credentialsUpdated Jun 2026

Project: David Rockefeller Creative Arts Center

Service: MEPF EngineeringService: Mechanical EngineeringService: Building Automation and Energy ManagementIndustry: Arts & CultureIndustry: EducationType: MEP+56 more

Arthur H. Howland & Associates, P.C.

New Milford, CT

Civil Engineering, Land Surveying, Environmental Services, & Land Use Planning in Connecticut

WebsitePhone1 office4 leadersFounded 1955Size Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Property SurveysService: Topographic SurveysIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+22 more

Atane Consulting

New York, NY

Excel. Together.

WebsitePhone10 offices7 projects17 leaders17 credentialsUpdated Jun 2026

Project: Bloomingdale Road Reconstruction

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Architecture & Engineering+33 more

Aztech Engineers, Inc.

Hartford, CT

Hartford, CT-based Consulting Engineers Specializing in HVAC, Plumbing, Fire-Protection, Electrical, and Geo-Thermal Heat Pump Systems

WebsitePhone1 office2 leaders4 credentialsFounded 1995Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC DesignService: Geo-Thermal Heat Pump SystemsIndustry: EducationIndustry: CommercialType: MEP+16 more

Bawn Projects Inc

Greenwich, CT

Full service Architecture practice creating spaces between the trees.

Website1 office8 projects2 leadersFounded 2024Updated Jun 2026

Project: Lounsbury House

Service: Residential Design & New ConstructionService: Custom Single-Family HomesService: Lake Houses & Rural RetreatsIndustry: ResidentialIndustry: CommercialType: Architecture & Engineering+17 more

CJL Engineering, Inc.

Shelton, CT

Results you can count on

WebsitePhone1 office1 leaders2 credentialsFounded 1987Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Design Of HeatingService: VentilationIndustry: CommercialIndustry: RetailType: MEP+44 more

CLA Engineers, Inc.

Norwich, CT

CLA Engineers, Inc. is a consulting engineering firm incorporated in 1984 and headquartered in Norwich, Connecticut. CLA specializes in all aspects of civil engineering and provides civil, structural, geotechnical, inspection, and surveying services to private, institutional, public, commercial, and industrial clients throughout Eastern Connecticut and New England. Its team of principals and staff takes projects from the conceptual and planning stages through design and completed construction. CLA also serves as on-call Town Engineers for several municipalities in Eastern Connecticut, assisting Selectmen, Boards, Commissions, and Public Works Departments. In-house capabilities extend to land surveying and subdivision design, GPS/GIS data collection, marine and dock engineering, bridge rehabilitation and construction, and inspection and testing of construction materials. CLA Engineers, Inc. is a corporate member of the U.S. Green Building Council.

WebsitePhone1 office5 leaders21 credentialsFounded 1984Updated Jun 2026

Service detail: Civil Site Engineering

Service: Civil Site EngineeringService: Structural EngineeringService: Geotechnical EngineeringIndustry: GovernmentIndustry: CommercialType: Civil Engineering+22 more

Centek Engineering, Inc.

Branford, CT

Multidisciplinary Engineering Centered on Solutions

WebsitePhone1 office6 projects6 leaders3 credentialsUpdated Jun 2026

Project: UConn Health CT-4 NESCI/CBDC Relocation and Renovation

Service: Mechanical EngineeringService: HVAC DesignService: Mechanical Systems for HealthcareIndustry: HealthcareIndustry: EducationType: Civil Engineering+30 more

Conlon Engineering LLC

Brookfield, CT

Turning the Abstract into the Tangible

WebsitePhone2 offices8 projects9 leadersSize Estimate: 1-9 employeesUpdated Jun 2026

Project: Greenwich YMCA

Service: Structural Design and EvaluationService: Custom Residential DesignService: Commercial DesignIndustry: ResidentialIndustry: Multifamily ResidentialType: Structural Engineering+15 more

DeSimone Consulting Engineering

New York, NY

Bridging science and humanity

Website11 offices1 projects3 leaders10 credentialsFounded 1969Updated Jun 2026

Project: Terminal Warehouse

Service: Structural DesignService: Facade and Building EnvelopeService: RestorationIndustry: AviationIndustry: TransportationType: Structural Engineering+23 more

Design Professionals Inc

South Windsor, CT

Civil Engineers | Land Surveyors | Planners | Landscape Architects

WebsitePhone1 office9 projects8 leaders1 credentialsFounded 1986

Project: Windsor Federal Savings

Service: Civil EngineeringService: Traffic EngineeringService: 3D Modeling for Machine Control GradingIndustry: CommercialIndustry: RetailType: Civil Engineering+24 more

DiBlasi Associates, P.C.

Monroe, CT

Creative, innovative, and practical solutions to structural engineering challenges.

WebsitePhone1 office1 leaders8 credentials1 publicationsFounded 1984

Service detail: Structural Design

Service: Structural DesignService: Colleges and UniversitiesService: SchoolsIndustry: EducationIndustry: Arts & CultureType: Structural Engineering+21 more

Fairfield County Engineering LLC

Norwalk, CT

Fairfield County Engineering LLC is a civil engineering and site plan design firm based in Norwalk, Connecticut. Led by principal Wayne D'Avanzo, P.E., Fairfield County Engineering serves commercial and residential clients throughout Fairfield County. D'Avanzo holds more than thirty years of combined engineering and zoning experience in local Connecticut markets. Work spans single-family residences, residential subdivisions, commercial buildings, schools, hospitals, and shopping centers.

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Septic Systems Repair, B-100 and New System DesignService: On-Site Soils TestingIndustry: ResidentialIndustry: CommercialType: Civil Engineering+21 more

Freeman

Hartford, CT

Elevate Your Ground Game

Website1 office7 projects8 leadersFounded 2009Size Estimate: 10-49 employeesUpdated Jun 2026

Project: UConn Football Complex

Service: Civil EngineeringService: Site Layout & DesignService: Grading & Drainage DesignIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+40 more

GNCB Consulting Engineers, P.C.

Old Saybrook, CT

Providing Structural Engineering Solutions Since 1965

WebsitePhone1 office10 projects3 leadersFounded 1965Updated Jun 2026

Project: Mitchell College

Service: Structural EngineeringService: New ConstructionService: Design AlternativesIndustry: EducationIndustry: HealthcareType: Structural Engineering+15 more

Gerwick Mereen LLC

Waterford, CT

Gerwick Mereen LLC is a civil engineering and land surveying firm established in 2004 and located in Waterford, Connecticut. Founded by John Paul Mereen, a licensed land surveyor and Certified Floodplain Manager, the firm provides a comprehensive range of land surveying, elevation certificate, permitting, and site engineering services for residential and commercial clients throughout southeastern Connecticut. Related services include wetland delineation coordination, stormwater management, septic system design, and roadway and utility engineering.

Website1 office1 leaders3 credentialsFounded 2004Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Boundary Surveys and Lot Line AdjustmentsService: Topographic SurveysIndustry: ResidentialIndustry: CommercialType: Civil Engineering+24 more

Gilsanz Murray Steficek LLP

New York, NY

Structural Engineering and Building Envelope Solutions

WebsitePhone4 offices5 projectsUpdated Jun 2026

Project: Roku Office Fit-Out, 5 Times Square

Service: Structural EngineeringService: ConcreteService: SteelIndustry: CommercialIndustry: RetailType: Structural Engineering+27 more

Godfrey Hoffman Hodge, LLC

North Haven, CT

Accuracy Matters

WebsitePhone2 offices7 leaders10 credentialsFounded 1924Updated Jun 2026

Service detail: Surveying

Service: SurveyingService: Boundary SurveysService: Topographic SurveysIndustry: ResidentialIndustry: CommercialType: Civil Engineering+14 more

Green Site Design, LLC

Norwich, CT

Civil engineering with a sustainable approach

WebsitePhone1 office1 leaders4 credentialsFounded 2009Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Feasibility StudiesService: Storm Water ManagementIndustry: CommercialIndustry: IndustrialType: Civil Engineering+28 more

Grumman Engineering, LLC

Norwalk, CT

Serving Southern Fairfield County and the surrounding region

WebsitePhone1 office1 leadersFounded 1973Updated Jun 2026

Service detail: Environmental Engineering

Service: Environmental EngineeringService: Septic Systems Repair and New System DesignService: On-Site Soils TestingIndustry: ResidentialIndustry: CommercialType: Civil Engineering+20 more

Innovative Construction & Design Solutions, LLC

North Branford, CT

Innovative Construction & Design Solutions, LLC is a North Branford, Connecticut-based consulting engineering practice. It provides professional design and analytical engineering services alongside comprehensive construction support, commissioning, systems integration, automation, control-panel fabrication, geo-exchange engineering, and green-building support.

WebsitePhone1 office6 projects4 credentialsUpdated Jun 2026

Project: Maine Army National Guard Army Aviation Support Facility CHP System

Service: Construction AdministrationService: Work with contractors to coordinate job meetings and review project schedule/statusService: Thorough review of shop drawings and equipment submittalsIndustry: CommercialIndustry: GovernmentType: MEP+47 more

Innovative Design Engineering Associates, Architectural Engineering Consultants LLC

Monroe, CT

We Empower Ideas

WebsitePhone2 offices1 projects1 leadersFounded 2021Updated Jun 2026

Project: MSC Miami Cruise Terminal

Service: Mechanical EngineeringService: Central Plant and HVAC SystemsService: Energy Modeling and Building AutomationIndustry: CommercialIndustry: EducationType: MEP+39 more

Innovative Engineering Services, LLC

Wallingford, CT

A fully integrated engineering and design practice focused on innovation, sustainability, and excellence

WebsitePhone1 office17 projectsUpdated Jun 2026

Project: The Stamford Hospital

Service: Electrical EngineeringService: Power and Lighting SystemsService: Plumbing EngineeringIndustry: HealthcareIndustry: CommercialType: MEP+29 more