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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AXIS Engineering Group

Rochester, NH

Future-Proof Your Network With Fiber

WebsitePhone1 officeUpdated Jun 2026
Service: Fiber Optic Engineering & Civil PlanningService: Civil Plans & Strand MapsIndustry: TelecommunicationsType: Telecom / RF Engineering+11 more

Advanced Automation LLC

Dover, NH

New England automation solutions and custom machinery

WebsitePhone1 office6 credentials
Service: Automation Systems IntegrationService: Robotic Machine TendingIndustry: ManufacturingType: Automation & Controls+25 more

Allen & Major Associates, Inc.

Woburn, MA

Civil Engineers, Land Surveyors, Environmental Consultants & Landscape Architects

WebsitePhone3 offices11 projects
Service: Civil EngineeringService: Construction ConsultationIndustry: CommercialType: Civil Engineering+51 more

Altus Engineering

Portsmouth, NH

Altus Engineering is a civil, site planning, and environmental engineering firm established in 1995 and based in Portsmouth, New Hampshire. Altus provides innovative and cost-effective solutions for site, building, environmental, and utility projects, focusing primarily on New Hampshire and southern Maine. The practice serves residential, commercial, municipal, institutional, and industrial clients, tailoring designs to client needs while ensuring regulatory compliance and aesthetic fit with the surrounding environment.

WebsitePhone1 officeFounded 1995
Service: Civil & Site EngineeringService: Environmental EngineeringIndustry: ResidentialType: Civil Engineering+5 more

Ammonoosuc Survey Co., Inc.

Conway, NH

Ammonoosuc Survey Co., Inc. is a small New Hampshire land surveying firm based in Conway, serving clients across the Mount Washington Valley and surrounding region. With all staff holding licensed land surveyor credentials, it combines deep local knowledge with expertise in boundary surveys, existing conditions plans, septic system design, and site planning. Clients benefit from working directly with knowledgeable licensed professionals whether in the field or in the office.

WebsitePhone1 officeUpdated Jun 2026
Service: Boundary Surveys and Existing Conditions PlansService: Septic System DesignIndustry: Land DevelopmentType: Land Surveying+2 more

Annette Dey Engineering LLC

Walpole, NH

Structural Engineering Services

WebsitePhone1 office1 leaders
Service: Structural DesignService: Timber and Wood Framing DesignIndustry: ResidentialType: Structural Engineering+6 more

Appledore Marine Engineering, LLC

Portsmouth, NH

Specializing in waterfront engineering

WebsitePhone1 office7 projects
Service: Engineer-DiversService: InspectionsIndustry: FederalType: Marine Engineering+17 more

ArgenTech Solutions, Inc.

Newmarket, NH

ArgenTech Solutions is a leading integrator and service provider of Uncrewed Aerial Systems (UAS) for military, civil, and commercial initiatives. Founded in 2011, it provides UAS system integration, flight operations, maintenance, and training services primarily to the U.S. Department of Defense and other government and commercial customers.

WebsitePhone1 officeFounded 2011
Service: UAS System IntegrationService: Flight OperationsIndustry: DefenseType: Aviation Engineering+10 more

Aries Engineering, LLC

Concord, NH

Innovating Environmental Solutions, Engineering a Better Tomorrow

WebsitePhone1 office3 projects
Service: Geotechnical EngineeringService: Geotechnical DesignIndustry: Environmental & RemediationType: Geotechnical Engineering+45 more

BSC Group

Boston, MA

Shaping Our Communities Together

WebsitePhone7 offices124 leaders
Service: PlanningService: Civil EngineeringIndustry: BridgesType: Civil Engineering+35 more

Bedford Design Consultants

Manchester, NH

Your Path to Permits

WebsitePhone1 office5 projects
Service: Land SurveyingService: SubdivisionsIndustry: ResidentialType: Civil Engineering+41 more

Brierley Associates Corporation

Englewood, CO

Creating Space Underground

WebsitePhone20 offices4 projects
Service: Tunneling EngineeringService: Trenchless EngineeringIndustry: Water SupplyType: Geotechnical Engineering+22 more

CMA Engineers

Portsmouth, NH

Pursue Excellence

WebsitePhone3 offices5 projects
Service: Civil Engineering & TransportationService: Civil Infrastructure PlanningIndustry: Waste ManagementType: Civil Engineering+37 more

CSI Engineering

Portsmouth, NH

CSI Engineering is an MEP/FP engineering design practice based in Portsmouth, New Hampshire. Founded in 1996, CSI Engineering began by supporting general and mechanical contractors with coordination drawings, as-built drawings, and design-build projects. In 2007, CSI Engineering expanded into full MEP/FP engineering services for architects, contractors, developers, municipalities, and the military. The three principal engineers are involved directly in every project, bringing construction-background perspective to building systems design. CSI Engineering's primary service area is New England, with completed projects extending to other US states and internationally.

WebsitePhone1 office3 leaders
Service: HVAC DesignService: New construction systemsIndustry: EducationType: MEP+29 more

Campos EPC, LLC

Denver, CO

The Leader In Energy Infrastructure

WebsitePhone20 offices1 projects
Service: EngineeringService: Pipeline EngineeringIndustry: Oil & GasType: EPC+53 more

Cardinal Surveying & Land Planning

Sullivan, NH

Cardinal Surveying & Land Planning is a licensed land surveying and design firm based in Sullivan, New Hampshire, serving southwestern NH. Founded in 2009 by Wendy Pelletier, Cardinal has a staff of four with over 25 years of industry experience each, including a Licensed Land Surveyor, a septic designer, a licensed wetland scientist, and a Certified Surveyor in Training.

WebsitePhone1 office1 leaders
Service: Boundary SurveysService: Monument recovery and lot line surveysIndustry: Land DevelopmentType: Land Surveying+18 more

Celtrics Engineering

Exeter, NH

From Concept to Creation

WebsitePhone2 officesUpdated Jun 2026
Service: MEP EngineeringService: Mechanical ServicesIndustry: HealthcareType: MEP+20 more

Civilworks New England

Dover, NH

Civilworks New England is a civil engineering firm headquartered in Dover, NH, providing consulting services to private developers, corporate clients, municipalities, architects, engineers, and contractors since 1984. Civilworks specializes in civil site design, coastal and waterfront engineering, and land surveying, and is licensed in New Hampshire, Maine, and Massachusetts with affiliated service coverage in Connecticut and Vermont.

WebsitePhone2 offices3 leaders
Service: Civil Site DesignService: Residential and Commercial Subdivision DesignIndustry: Land DevelopmentType: Civil Engineering+45 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 leaders
Service: Maintenance & ModernizationService: Weapons & Combat SystemsIndustry: DefenseType: Defense Engineering+15 more

Copia LLC

Goshen, NH

Consultants in Optical Science

WebsitePhone1 office1 leaders
Service: Laboratory Assessment and Characterization ServicesService: Facility and Process AssessmentIndustry: ElectronicsType: Materials Testing+13 more

Cx Associates, Inc.

Burlington, VT

New & Existing Buildings, Energy Management, and Efficiency Programs

WebsitePhone3 officesFounded 1994
Service: Design Phase ServicesService: Owner's Project Requirements (OPR) developmentIndustry: HealthcareType: MEP+26 more

Denoya Structural Engineering, LLC

Bedford, NH

Residential and Commercial Structural Engineering Consulting

WebsitePhone1 office1 leaders
Service: Custom Structural DesignService: Traditional and High-End Single Family HomesIndustry: ResidentialType: Structural Engineering+7 more

DiBernardo Associates

North Walpole, NH

Generations of Surveying Expertise

WebsitePhone1 office1 leaders
Service: Boundary SurveysService: Lot SurveyIndustry: Land DevelopmentType: Land Surveying+6 more

Doucet Survey Inc.

Newmarket, NH

Private & Public Land Surveying With Integrity

WebsitePhone4 officesUpdated Jun 2026
Service: Boundary SurveyingService: MappingIndustry: Land DevelopmentType: Land Surveying+5 more