Public engineering firm directory

Find engineering consulting firms by capability and location.

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Sanborn, Head & Associates, Inc.

Bedford, NH

Done on purpose; deliberate; thoughtful

WebsitePhone7 offices3 projects30 leaders5 credentialsFounded 1992

Project: Green Hydrogen Generation Pilot

Service: Environmental ServicesService: Air Services and ModelingService: Brownfields RedevelopmentIndustry: IndustrialIndustry: Power GenerationType: Environmental Engineering+22 more

Stephens Associates Consulting Engineers, LLC

Brentwood, NH

Insightful, cost-saving solutions for buildings and infrastructure

Website2 offices8 projects2 leadersFounded 1999Updated Jun 2026

Project: Shepard Pond Dam

Service: Geotechnical EngineeringService: Structural EngineeringService: Hydrology & HydraulicsIndustry: InfrastructureIndustry: GovernmentType: Structural Engineering+7 more

Strong Source, Inc.

Bedford, NH

The Embedded Systems Solution Providers

WebsitePhone1 officeUpdated Jun 2026

Service detail: Embedded Systems Engineering and Design

Service: Embedded Systems Engineering and DesignService: Systems Architecture and PrototypingService: Embedded Software and FirmwareIndustry: AerospaceIndustry: AutomotiveType: Software Engineering+9 more

Summit Engineering

Portsmouth, NH

Summit Engineering PLLC is a structural engineering practice headquartered in Portsmouth, New Hampshire. Summit Engineering delivers structural design, construction administration, and inspection services to architects, contractors, design professionals, municipalities, and owners throughout New England and beyond. Licensed in NH, MA, ME, CT, VT, NJ, FL, NY, MI, RI, PA, and the US Virgin Islands, Summit Engineering has received multiple Excellence in Structural Engineering Awards from the Structural Engineers of New Hampshire (SENH) and a national award from the National Council of Structural Engineers Associations.

WebsitePhone1 office2 leaders2 credentialsUpdated Jun 2026

Service detail: Structural Building Design

Service: Structural Building DesignService: Construction ServicesService: Design of Special StructuresIndustry: CommercialIndustry: ResidentialType: Structural Engineering+11 more

TEC, Inc.

Lawrence, MA

TEC, Inc. is a New England civil and transportation engineering firm providing engineering design and permitting services to municipalities, real estate developers, state agencies, and educational institutions for over 20 years. With offices in Lawrence, Massachusetts; Hampton, New Hampshire; Worcester, Massachusetts; and Portland, Maine, TEC serves clients across transportation, civil site, structural, landscape architecture, stormwater, and asset management disciplines.

WebsitePhone4 officesUpdated Jun 2026

Service detail: Transportation Engineering - Roadway

Service: Transportation Engineering - RoadwayService: Civil / Site EngineeringService: StructuresIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+9 more

TEC, Inc.

Lawrence, MA

Award-Winning Civil Engineering Consulting Firm

WebsitePhone4 officesUpdated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Roadway DesignService: Traffic EngineeringIndustry: GovernmentIndustry: TransportationType: Civil Engineering+9 more

TFMoran, Inc.

Bedford, NH

Land Planning Specialists

WebsitePhone2 offices5 projects1 leaders1 credentialsFounded 1968

Project: The Village on Technology Hill

Service: Civil EngineeringService: Drainage Analysis and DesignService: Road Plan and ProfilesIndustry: RetailIndustry: IndustrialType: Civil Engineering+52 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

Team Engineering

Bedford, NH

Established in 1993, Team Engineering is a building engineering firm based in Bedford, New Hampshire. It delivers structural and MEP design that integrates mechanical, electrical, and plumbing systems for new construction and renovation projects. Team Engineering partners with architects, contractors, and developers to design efficient, creative buildings across residential, commercial, multi-family, and institutional sectors in New Hampshire and New England.

WebsitePhone1 office5 leadersFounded 1993Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: MEP EngineeringService: Mechanical EngineeringIndustry: CommercialIndustry: ResidentialType: MEP+8 more

Ten Tech Aerospace & Defense, Inc.

Nashua, NH

Aerospace & Defense Engineering Consultants

Website1 office7 credentialsUpdated Jun 2026

Service detail: Finite Element Analysis & Simulation

Service: Finite Element Analysis & SimulationService: Stress, Shock & Vibration AnalysisService: Fatigue & Durability AnalysisIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+43 more

The Dubay Group, Inc.

Londonderry, NH

The Dubay Group, Inc. is a full-service civil engineering firm in Londonderry, New Hampshire, providing civil engineering, land surveying, land planning, and landscape architecture services for land development projects. The team delivers field-to-finish results for commercial, industrial, multi-family, and institutional site development, with expertise in stormwater management, permitting, drone LiDAR mapping, and landscape design.

WebsitePhone1 office3 projectsUpdated Jun 2026

Project: Hanafin Farms

Service: Civil EngineeringService: Commercial, Industrial, Retail & Institutional Site DesignService: Multi-Family Condominium & Apartment DevelopmentIndustry: Land DevelopmentIndustry: CommercialType: Civil Engineering+24 more

The Engineering & Consulting Center of Excellence, LLC

Hollis, NH

Engineering the Impossible

Website1 office9 leadersSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Advanced Engineering

Service: Advanced EngineeringService: Controls Engineering and AutomationService: Marine and Nuclear SystemsIndustry: AerospaceIndustry: DefenseType: Mechanical Engineering+28 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 Turner Group

Concord, NH

Designing with Precision, Engineering with Care

WebsitePhone1 office3 leadersUpdated Jun 2026

Service detail: Architectural Services

Service: Architectural ServicesService: Feasibility AssessmentService: Building StudiesIndustry: EducationIndustry: GovernmentType: Architecture & Engineering+24 more

Ultrasea Inc

Bedford, NH

Pioneering Advanced Marine Solutions

WebsitePhone2 offices2 leadersFounded 2023Updated Jun 2026

Service detail: Marine Security and Defense

Service: Marine Security and DefenseService: Counter Swarm AnalysisService: Marine Security BarriersIndustry: DefenseIndustry: MarineType: Coastal Engineering+25 more

Underwood Engineers

Portsmouth, NH

Creative Solutions for a Better Tomorrow

WebsitePhone2 offices4 leadersUpdated Jun 2026

Service detail: Water Engineering

Service: Water EngineeringService: PlanningService: SourceIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+13 more

WV Engineering Associates, PA

Keene, NH

Mechanical and Electrical Consulting and Design

WebsitePhone1 office12 projects7 credentialsFounded 1991Size Estimate: 1-20 employees

Project: Keene Fire Department

Service: Mechanical EngineeringService: Heating, Ventilating and Air ConditioningService: Plumbing and Fire ProtectionIndustry: CommercialIndustry: RetailType: MEP+34 more

Waldron Engineering & Construction, Inc.

Exeter, NH

Energy Solutions for the World Ahead

WebsitePhone1 office6 projects4 leaders2 credentialsUpdated Jun 2026

Project: TWA Flight Center Hotel Energy Center

Service: AnalyticsService: Energy ModelingService: Strategic InsightsIndustry: Power GenerationIndustry: Renewable EnergyType: Power & Utility Engineering+20 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

Wilcox & Barton, Inc.

Concord, NH

Real advice and innovative options with cost effective solutions

WebsitePhone1 office2 leadersSize Estimate: 30+ employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Design and Land Use PermittingService: Master Planning and Feasibility StudiesIndustry: CommercialIndustry: ResidentialType: Civil Engineering+31 more