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

3Bears Technical Services

Hixson, TN

Experts in Nuclear Operations and Waste Management Solutions

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Engineering and Project Management

Service: Engineering and Project ManagementService: Mechanical EngineeringService: Electrical EngineeringIndustry: NuclearIndustry: Environmental & RemediationType: Environmental Engineering+31 more

3D Engineering Solutions, LLC

Cincinnati, OH

Measuring & Modeling Quality

WebsitePhone1 office2 credentialsFounded 2007Updated Jun 2026

Service detail: 3D Laser Scanning & Digitizing

Service: 3D Laser Scanning & DigitizingService: Short Range 3D Laser ScanningService: Long Range Laser ScanningIndustry: AerospaceIndustry: AutomotiveType: Materials Testing+28 more

3jk Engineering Consultants Llc

Espanola, NM

Solving demanding technical problems through engineering, analysis, prototyping, and testing.

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Engineering and Design

Service: Engineering and DesignService: Custom Equipment Engineering and DesignService: Tooling, Jigs, and FixturesIndustry: Oil & GasIndustry: AerospaceType: Acoustic Consulting+30 more

A&A Consultants Inc

McKees Rocks, PA

Specializing in geotechnical, structural, and civil engineering excellence

WebsitePhone3 offices7 projects8 credentialsFounded 1996Updated Jun 2026

Project: Big Beaver Bridge

Service: Bridge Design and InspectionsService: Bridge DesignService: Bridge InspectionsIndustry: TransportationIndustry: BridgesType: Civil Engineering+22 more

AEG - A SOCOTEC Company

Mechanicsburg, PA

Engineering, Surveying, and Inspections

WebsitePhone1 office3 projects3 credentialsUpdated Jun 2026

Project: 95REVIVE Pottstown Expressway Reconstruction

Service: Geotechnical EngineeringService: Geotechnical Engineering and Foundation DesignService: Design of Earth Structures and Retaining WallsIndustry: TransportationIndustry: BridgesType: Geotechnical Engineering+64 more

AKS Engineering & Forestry

Tualatin, OR

Practical Solutions. Designed to Last.

WebsitePhone1 officeFounded 1996Size Estimate: 600+ employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Design & GradingService: UtilitiesIndustry: InfrastructureIndustry: Land DevelopmentType: Civil Engineering+35 more

AMS Corporation

Knoxville, TN

Innovating Nuclear Technology

WebsitePhone1 office10 leaders5 credentialsFounded 1977Size Estimate: 100 employees

Service detail: I&C Performance Testing

Service: I&C Performance TestingService: Online Monitoring (OLM)Service: Reactor Thermal Power CalculationsIndustry: NuclearIndustry: Oil & GasType: Automation & Controls+20 more

AS Engineering and Consulting, LLC

Marietta, GA

Value engineering to build a safer tomorrow.

WebsitePhone1 office1 leaders9 credentialsSize Estimate: 1-50 employeesUpdated Jun 2026

Service detail: Geotechnical and Geological Studies

Service: Geotechnical and Geological StudiesService: Subsurface Soil ExplorationService: Bridge Foundation StudiesIndustry: Land DevelopmentIndustry: InfrastructureType: Geotechnical Engineering+18 more

Aaron Swan & Associates, Inc.

Pierre, SD

Unwavering Quality. Reliable Results.

WebsitePhone4 offices7 projects2 leadersFounded 1975Size Estimate: 10-49 employees

Project: Pierre SD Wastewater Treatment Plant

Service: Civil Design and EngineeringService: Site Master Planning and LayoutService: Underground Utilities DesignIndustry: WastewaterIndustry: EducationType: Materials Testing+31 more

AccelaBlue Advisory Group

The Advisor Who Sees the Whole Deal

Website3 projects1 leaders2 credentialsUpdated Jun 2026

Project: 340 MW Hyperscale Data Center & AI Factory

Service: Technical Feasibility & Site AssessmentService: Site & Grid CharacterizationService: Resource AssessmentIndustry: Data CentersIndustry: NuclearType: Owner's Engineer+38 more

Accurate Group, Inc.

Lincolnshire, IL

A solution-oriented international organization experienced in engineering and IT services.

Website1 office7 projectsFounded 1994Size Estimate: 25-100 employeesUpdated Jun 2026

Project: Grand Ave. Ramp Reconstruction

Service: Civil EngineeringService: Land Development and Real Estate SupportService: Infrastructure Planning and OversightIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+36 more

Acuity Innovations LLC

Colorado Springs, CO

Acuity Innovations LLC is a small defense contracting company based in Colorado Springs, Colorado providing digital ecosystem design and enterprise integration services to defense customers. Its core capabilities span enterprise architecture, solution engineering, digital engineering, defensive cyberspace operations, system integration, and test and evaluation. Market segments include space warfighting architecture, cyber defense for national security missions, and Nuclear Command and Control Communications.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Enterprise Architecture

Service: Enterprise ArchitectureService: Digital EngineeringService: System IntegrationIndustry: DefenseIndustry: SpaceType: Defense Engineering+5 more

Advanced Automation Corporation

Rome, NY

Confidence in the Future: Emerging Technologies to Support the Warfighter

WebsitePhone1 office3 projects6 leaders3 credentialsSize Estimate: 25-50 employees

Project: Integrated Electronic Data Environment (IEDE) for Plutonium Processing Facility

Service: Systems EngineeringService: Requirements Definition and ManagementService: Conceptual and Preliminary DesignIndustry: AerospaceIndustry: DefenseType: Defense Engineering+30 more

Advanced Geotechnical Solutions Inc

Casper, WY

Engineering You Can Trust, Results You Can Build on

WebsitePhone1 office5 projects3 credentialsUpdated Jun 2026

Project: Kirtley Powerline

Service: Geotechnical EngineeringService: Subsurface ExplorationService: Laboratory TestingIndustry: Land DevelopmentIndustry: MiningType: Geotechnical Engineering+11 more

Agapito Associates LLC

Grand Junction, CO

Technical expertise and sound analysis for your mining project, both large and small.

WebsitePhone3 offices3 projects2 leaders2 publicationsFounded 1978

Project: Green River Project NI 43-101 Exploration Target

Service: Mining EngineeringService: Mine PlanningService: Ground-Control DesignIndustry: MiningIndustry: Aggregates & QuarryingType: Mining Engineering+27 more

Aimright Testing & Engineering

Tulsa, OK

Communicating With Technical Accuracy About Your Project So You Can Proceed With Confidence

WebsitePhone1 office3 projects8 credentialsSize Estimate: 25-50 employeesUpdated Jun 2026

Project: Broken Arrow Senior Center

Service: Geotechnical EngineeringService: Standard Penetration TestingService: Rock Coring and DrillingIndustry: EducationIndustry: GovernmentType: Geotechnical Engineering+30 more

Airflow Sciences Corporation

Livonia, MI

Engineered CFD Solutions

WebsitePhone1 officeFounded 1975Updated Jun 2026

Service detail: Computational Fluid Dynamics (CFD) Modeling

Service: Computational Fluid Dynamics (CFD) ModelingService: Combustion ModelingService: Dispersion ModelingIndustry: Emissions ControlIndustry: Power GenerationType: Mechanical Engineering+53 more

Alpha Geotechnical & Materials, Inc.

Tempe, AZ

Alpha Geotechnical & Materials, Inc. is a Tempe, Arizona-based consulting practice founded in 1998, specializing in geotechnical and environmental engineering, geological services, construction inspections, and materials testing. It serves public and private clients on projects ranging from single commercial pads to large master-planned communities across the Phoenix metro area, delivering timely, accurate, and cost-effective field and laboratory testing.

WebsitePhone1 office18 projects5 leadersFounded 1998Size Estimate: 1-25 employees

Project: Microchip Technology C6 Building

Service: Geotechnical EngineeringService: Subsurface Site InvestigationService: Foundation, Pavement, and Earthquake EngineeringIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+92 more

Altitude Engineering

Hamilton, MT

Altitude Engineering is a structural engineering firm located in the Bitterroot Valley, just south of Missoula, Montana. Altitude Engineering specializes in steel and aluminum structures and provides economical designs using precast and cast-in-place concrete, masonry, timber, and log framing. Altitude Engineering holds professional engineering registrations in thirteen states: Montana, Colorado, Wyoming, Idaho, Nevada, Alaska, Washington, Utah, Oregon, Arizona, Arkansas, Vermont, and Oklahoma. Representative project experience includes waterpark enclosure structures, aviation hangars, industrial crane pedestals, hospital expansions, and commercial facilities.

WebsitePhone1 office4 projects1 leadersUpdated Jun 2026

Project: Jay Peak Waterpark Enclosure

Service: Structural Engineering DesignService: Steel and aluminum structuresService: Precast and cast-in-place concreteIndustry: HealthcareIndustry: CommercialType: Structural Engineering+13 more

Altman Browning & Company

Portland, OR

Comprehensive engineering services grounded in strict adherence to international and industry-specific standards.

WebsitePhone1 office5 credentialsFounded 1990Updated Jun 2026

Service detail: Engineering Design & Analysis

Service: Engineering Design & AnalysisService: Heavy Industrial Machine DesignService: Complex 3D CAD ModelingIndustry: IndustrialIndustry: ManufacturingType: Mechanical Engineering+12 more

Amentum

Chantilly, VA

Advancing the Future Together

Website1 office3 projects1 credentialsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Fukushima Cleanup

Service: Mission ModernizationService: Space SystemsService: Digital TransformationIndustry: DefenseIndustry: AerospaceType: Aerospace Engineering+20 more

Ameresco, Inc.

Leading the global energy transition as a full-service energy partner

WebsiteUpdated Jun 2026

Service detail: Energy Efficiency

Service: Energy EfficiencyService: Indoor Lighting & ControlsService: LED Street & Area LightingIndustry: FederalIndustry: GovernmentType: Power & Utility Engineering+40 more

Amped I LLC

Chicago, IL

We engineer & design systems for the reliability of the power grid.

Website1 office4 projects2 leadersFounded 2010Updated Jun 2026

Project: Solar & Wind Interconnects

Service: Protection & ControlService: Relay ProtectionService: Relay CommunicationsIndustry: Power Transmission & DistributionIndustry: Electric UtilitiesType: Power & Utility Engineering+34 more

Antillean Engineers Inc

St. Croix, VI

Engineering Quality in Every Project

WebsitePhone1 office5 projects2 leaders2 credentialsFounded 1970

Project: Hovensa Coker Plant Expansion & Geodetic Surveys

Service: Civil EngineeringService: Subdivision PlanningService: Highway DesignIndustry: AirportsIndustry: MarineType: Civil Engineering+27 more