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.

Filters1

Sustainability A to Z, LLC

Guilford, CT

Advancing sustainability through green chemistry, green engineering, and innovation.

Website1 office4 projects7 leadersUpdated Jun 2026

Project: Chemical Portfolio Ranking

Service: Life Cycle AssessmentService: Product LCAService: Facility LCAIndustry: ChemicalsIndustry: Consumer ProductsType: Chemical Engineering+29 more

Sustainable Engineering Solutions, LLC

Rocky Hill, CT

Commissioning + Energy Engineering - Efficient | Effective | Reliable

WebsitePhone3 officesFounded 2015Size Estimate: 5-25 employeesUpdated Jun 2026

Service detail: Building Commissioning

Service: Building CommissioningService: Retro-CommissioningService: Indoor Air Quality (IAQ) AssessmentIndustry: EducationIndustry: GovernmentType: MEP+3 more

TLC Engineering Solutions

Sandy Springs, GA

Think. Listen. Create.

Website23 offices10 projectsFounded 1955Updated Jun 2026

Project: Tampa International Airport Curbside Expansion and Central Utility Plant

Service: Mechanical, Electrical, Plumbing (MEP)Service: Comprehensive Building Systems Engineering HeatingService: VentilationIndustry: HealthcareIndustry: AviationType: MEP+51 more

Tata & Howard

Marlborough, MA

Unsurpassed Solutions in the Water Environment

WebsitePhone3 officesUpdated Jun 2026

Service detail: Water Engineering

Service: Water EngineeringService: Advanced metering infrastructure (AMI)Service: Water main designIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+18 more

Test Logic Inc.

Middletown, CT

Turbine Engine and Transmission Test Equipment Specialists

WebsitePhone1 office1 leadersFounded 1997Updated Jun 2026

Service detail: Turbine Engine Test Cells

Service: Turbine Engine Test CellsService: Turboshaft Engine Test CellsService: Turboprop Engine Test CellsIndustry: AerospaceIndustry: DefenseType: Mechanical Engineering+33 more

The Falcon Group

Warren, NJ

Engineers, Architects, and Reserve Specialists

WebsitePhone15 offices1 credentialsFounded 1997Size Estimate: 50-200 employeesUpdated Jun 2026

Service detail: Architectural Services

Service: Architectural ServicesService: Asset RepositioningService: Workplace Design & Interior Fit-OutIndustry: ResidentialIndustry: Multifamily ResidentialType: Architecture & Engineering+60 more

The Huntington Company, LLC

Fairfield, CT

The Huntington Company, LLC is a Fairfield, Connecticut civil engineering and land surveying firm founded in 1921 by Andrew S. Huntington. Now a division of Shevlin LS, The Huntington Company provides land surveying, civil engineering, drainage system design, septic system design, stormwater management, and environmental impact analysis services to private developers, architects, environmental consultants, and municipalities in Fairfield County and surrounding Connecticut towns.

WebsitePhone1 office3 leadersFounded 1921Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Boundary surveysService: Compilation plansIndustry: ResidentialIndustry: CommercialType: Civil Engineering+24 more

The LRC Group

Poughkeepsie, NY

Project Management and Site Design Services

WebsitePhone4 offices11 projects5 leadersFounded 1999Size Estimate: 30-50 employees

Project: Northeast Science Quadrangle

Service: Civil EngineeringService: Traditional InfrastructureService: Multidisciplinary Civil DesignIndustry: EducationIndustry: ResidentialType: Civil Engineering+14 more

The Quill Group

Bridgeport, CT

Reinventing the Art of Engineering

WebsitePhone1 office1 projects7 leaders5 credentialsFounded 1993

Project: Milford Hospital

Service: Geotechnical EngineeringService: Structural EngineeringService: Land SurveyingIndustry: CommercialIndustry: ResidentialType: Civil Engineering+22 more

Tighe & Bond

Westfield, MA

Environmental consulting with purpose.

Website8 offices2 projects7 leaders2 credentialsFounded 1911Size Estimate: 500-999 employees

Project: Climate Vulnerability Assessment for Massachusetts Watersheds

Service: Building ServicesService: MEP/FP DesignService: Energy Analysis & ModelingIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+38 more

Toce Structural Engineering, LLC

Milldale, CT

Full Service Structural Engineering Firm

WebsitePhone1 office1 leaders10 credentialsUpdated Jun 2026

Service detail: Feasibility Studies

Service: Feasibility StudiesService: Structural DesignService: Building RehabilitationIndustry: CommercialIndustry: ResidentialType: Structural Engineering+11 more

Torello Engineers

Essex, CT

Torello Engineers is a structural engineering firm based in Essex, CT, providing design, inspection, and evaluation services for commercial and residential clients throughout Connecticut. The practice specializes in investigative and rehabilitative structural engineering for existing and aging buildings, serving facility owners, prospective buyers, and homeowners across the state.

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Commercial Structural Services

Service: Commercial Structural ServicesService: Problem InvestigationService: Rehabilitative DesignIndustry: CommercialIndustry: ResidentialType: Structural Engineering+20 more

Urban Engineers Inc

Philadelphia, PA

Be Part of Something Bigger

WebsitePhone14 offices7 projects7 leaders4 credentialsFounded 1960

Project: I-78/SR 61 Bridge Replacement and Interchange Reconstruction

Service: PlanningService: Multimodal Circulation PlanningService: Bicycle & Pedestrian PlanningIndustry: AviationIndustry: BridgesType: Civil Engineering+47 more

VB Technologies Corporation

Rocky Hill, CT

Structural & Civil Engineering Solutions You Can Trust

WebsitePhone1 office1 leadersSize Estimate: 1-50 employeesUpdated Jun 2026

Service detail: Bridge & Structural Design

Service: Bridge & Structural DesignService: Bridge EngineeringService: Structural Infrastructure DesignIndustry: InfrastructureIndustry: TransportationType: Civil Engineering+29 more

Vortex Systems

Enfield, CT

Integrating & Manufacturing World-Class Test Systems for Aircraft Repair Stations on a Global Scale

WebsitePhone1 office4 projects2 credentialsFounded 1996Size Estimate: 5-50 employees

Project: 787 Test Stands

Service: Test Stand Design & BuildService: Hydraulic test standsService: Pneumatic and electro-pneumatic test standsIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+35 more

Wengell, McDonnell & Costello, Inc.

Newington, CT

Civil engineering and infrastructure consulting services in Connecticut and Western Massachusetts.

WebsitePhone1 office12 projects3 leaders5 credentialsFounded 1988

Project: Old Farms Road Bridge

Service: Transportation and Infrastructure EngineeringService: Highway and Roadway DesignService: Bridge Design and RehabilitationIndustry: GovernmentIndustry: TransportationType: Civil Engineering+43 more

Westcott and Mapes, Inc.

New Haven, CT

Reaching your goals with precision and trust.

WebsitePhone1 office1 leadersFounded 1916Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Sanitary sewer designService: I/I and SSES sewer studiesIndustry: GovernmentIndustry: CommercialType: Civil Engineering+27 more

Whitestone Associates, Inc.

Warren, NJ

Delivering Comprehensive & Innovative Environmental & Geotechnical Solutions

WebsitePhone15 offices9 leaders21 credentialsFounded 1994Updated Jun 2026

Service detail: Environmental Due Diligence

Service: Environmental Due DiligenceService: Site RemediationService: NJDEP Licensed Site Remediation ProfessionalsIndustry: CommercialIndustry: EducationType: Environmental Engineering+29 more

Wiss, Janney, Elstner Associates, Inc.

Northbrook, IL

Solutions for the Built World

WebsitePhone30 offices5 projects5 credentials5 publicationsFounded 1956

Project: Washington Monument

Service: Structural EngineeringService: Bridge EngineeringService: Heavy Movable StructuresIndustry: GovernmentIndustry: TransportationType: Architecture & Engineering+54 more

Woodard & Curran

Portland, ME

Clean Water, Safe Environment, Healthy Communities, Happy People

Website25 offices3 projects7 leadersFounded 1979Size Estimate: 1,300+ employeesUpdated Jun 2026

Project: Lead Testing in NYC Drinking Water Fountains

Service: WaterService: Water TreatmentService: Water ReuseIndustry: GovernmentIndustry: EducationType: Design-Build+15 more

ZUVIC Infrastructure Solutions

Rocky Hill, CT

Designing Complete Solutions

WebsitePhone2 offices10 leadersFounded 1988Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site/Civil and Utility DesignService: Transportation DesignIndustry: EducationIndustry: CommercialType: Civil Engineering+16 more

Zachry Nuclear Engineering Inc

Stonington, CT

Dedicated Nuclear Focus

Website2 offices2 credentialsUpdated Jun 2026

Service detail: Engineering

Service: EngineeringService: Mechanical and Electrical EngineeringService: Civil and Structural EngineeringIndustry: NuclearIndustry: Power GenerationType: Automation & Controls+17 more

e2 engineers

New London, CT

Practical Engineering Solutions From Different Angles

WebsitePhone2 offices8 projects5 leadersFounded 2002Size Estimate: 11-50 employees

Project: New Canaan Library

Service: Structural Assessment and FeasibilityService: Load Ratings & Condition AssessmentsService: Feasibility Studies & Code ReviewsIndustry: Arts & CultureIndustry: GovernmentType: Structural Engineering+21 more