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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50 States Engineering Corp.

Hackensack, NJ

Benefit from an innovative and diverse range of surveying and engineering experience.

WebsitePhone1 office7 projects3 leaders1 credentialsUpdated Jun 2026

Project: Admiration Foods Facility

Service: Land SurveyingService: Construction layout and stakeoutService: 3D laser scanningIndustry: TransitIndustry: RailType: Civil Engineering+28 more

7NT Enterprises, LLC

Miamisburg, OH

Proper Execution with Precision

WebsitePhone1 office9 projects1 leaders4 credentialsFounded 2008

Project: Gordie Howe International Bridge

Service: Drilling ServicesService: Rock Coring and Soil SamplingService: Hydraulic Conductivity TestingIndustry: WastewaterIndustry: Water SupplyType: Geotechnical Engineering+19 more

A1 Consulting Group, Inc.

Raleigh-Durham, NC

Leaders in Design, Construction, and Environmental Services

WebsitePhone1 office8 projects1 leaders5 credentialsFounded 1971

Project: RDU Airport Terminal 2 Expansion

Service: Engineering and Design ServicesService: Geotechnical and Geological EngineeringService: Civil and Site EngineeringIndustry: AirportsIndustry: CommercialType: Civil Engineering+41 more

AENY Engineering P.C.

Northport, NY

Cost Effective Engineering

WebsitePhone2 officesUpdated Jun 2026

Service detail: Naval Architecture and Marine Engineering

Service: Naval Architecture and Marine EngineeringService: Vessel Design and Construction SupportService: Shipboard Systems IntegrationIndustry: AirportsIndustry: TransitType: Naval Architecture+27 more

AESCO, Inc.

Huntington Beach, CA

Building America from the ground up since 1993

WebsitePhone1 office3 projectsFounded 1993Updated Jun 2026

Project: I-405 Improvement Project

Service: Geotechnical EngineeringService: Geotechnical drilling and field explorationService: Soils evaluationIndustry: CommercialIndustry: GovernmentType: Geotechnical Engineering+25 more

AKRF

AKRF is a multidisciplinary consulting and engineering firm with more than 400 employees across 16 offices and remote locations nationwide. It provides integrated environmental, planning, engineering, and technical services to clients in land development, transportation, energy, and water sectors. AKRF's expertise spans environmental impact assessment, civil engineering, traffic and transportation planning, acoustics, geotechnical engineering, water resources, site remediation, landscape architecture, and climate resilience and adaptation.

Website8 leadersSize Estimate: 400 employeesUpdated Jun 2026

Service detail: Environmental Services

Service: Environmental ServicesService: Environmental Impact AssessmentService: Air QualityIndustry: Land DevelopmentIndustry: TransportationType: Civil Engineering+50 more

ALRA Engineers, P.C.

We keep you moving forward by always looking ahead.

Website17 projects7 leadersUpdated Jun 2026

Project: On-Call Construction Management Agreement: Roadway Pavement Reconstruction

Service: Engineering ConsultingService: Provides Consulting Services For CivilService: ElectricalIndustry: BridgesIndustry: Highways & RoadsType: Civil Engineering+40 more

AMI Aero, LLC

Renton, WA

An Aerodynamics Legacy Since 1971

WebsitePhone1 office3 projectsFounded 1971Updated Jun 2026

Project: Sino-Swearingen SJ30

Service: Aerodynamic EngineeringService: Aircraft Design & ConfigurationService: Airfoil & Shape DesignIndustry: AerospaceIndustry: AviationType: Aerospace Engineering+28 more

AULtec, Inc.

Gaithersburg, MD

Professional Civil Engineering and Land Surveying Services

Website1 office5 projects2 leaders7 credentialsFounded 1994Size Estimate: 10-49 employees

Project: Pre-stressed Concrete Slab Bridge No. 10172 Replacement

Service: Civil EngineeringService: Site & Land DevelopmentService: Hydrology & Stormwater ManagementIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+19 more

AVEC, Inc.

Blacksburg, VA

AVEC, Inc. provides expert technical assistance in the analysis and control of noise and vibration in mechanical systems. Capabilities span phased array design and software, tire-pavement noise measurement (OBSI), road surface sound absorption (ROSSA), propeller noise prediction, structural analysis using FEM and BEM, unsteady aerodynamics, and machinery fault diagnostics. Past clients include NASA Langley Research Center, the Japan Aerospace Exploration Agency, Boeing, Siemens, and the US Air Force.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Noise and Vibration Engineering

Service: Noise and Vibration EngineeringService: Noise and Vibration Analysis, Prediction, and MeasurementService: Propeller Noise PredictionIndustry: AerospaceIndustry: DefenseType: Acoustic Consulting+18 more

AZAD Engineering PC

San Francisco, CA

Efficient Management in Infrastructure Construction

WebsitePhone2 offices1 leadersUpdated Jun 2026

Service detail: Construction Management and Inspection

Service: Construction Management and InspectionService: Resident EngineeringService: Structure RepresentativeIndustry: TransportationIndustry: BridgesType: Civil Engineering+39 more

Advanced Geotechnical Engineering LLC

Pearl City, HI

Building Our World on Solid Foundations

WebsitePhone1 office5 projects1 leadersUpdated Jun 2026

Project: Honolulu Rapid Transit Project

Service: Soil InvestigationService: Subsurface InvestigationService: Soil and Groundwater SamplingIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+28 more

Advanced Infrastructure Design, Inc.

Hamilton, NJ

Advanced Infrastructure Design, Inc. (AID) is a consulting engineering practice established in 1998. Headquartered in Hamilton, New Jersey, with an office in Philadelphia, Pennsylvania, it is staffed by licensed Professional Engineers, scientists, researchers, and technicians. The practice specializes in transportation infrastructure preservation, deploying advanced non-destructive testing (NDT) technologies to evaluate and design solutions for roads, bridges, tunnels, airports, substructures, foundations, and parking structures. It is led by President Mojgan Mohtashami, PhD, MBA.

Website2 offices1 leadersFounded 1998Size Estimate: 10-30 employeesUpdated Jun 2026

Service detail: Pavement Engineering

Service: Pavement EngineeringService: Comprehensive Non-Destructive Field TestingService: Functional LCMS AssessmentIndustry: GovernmentIndustry: TransportationType: Civil Engineering+57 more

Advantage Engineering Associates, P.C.

Cranbury, NJ

Engineering design, construction support and construction inspection services for transportation infrastructure

WebsitePhone2 offices8 projects10 leadersFounded 2004Size Estimate: 70-249 employees

Project: Route 440 Ramp Over Route 35 Bridge Deck Replacement

Service: Transportation EngineeringService: Highway and Traffic EngineeringService: Intelligent Transportation Systems (ITS) EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+26 more

Afterburner Wind Tunnel Services LLC

Northern Virginia, VA

Afterburner Wind Tunnel Services LLC is a Northern Virginia engineering firm providing safety, systems, and weapons engineering support to Industry, Department of Defense agencies, and other federal entities. Its work spans aviation, weapons systems, research, testing, development and evaluation, and technology programs, with a team experienced in rapid-development defense programs.

Website1 office2 leadersUpdated Jun 2026

Service detail: Safety Engineering

Service: Safety EngineeringService: System Safety Program DevelopmentService: Hardware and Software Safety AnalysisIndustry: DefenseIndustry: FederalType: Defense Engineering+11 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

Airfoils Incorporated

Port Matilda, PA

Only The Best Is Good Enough

WebsitePhone1 office4 projects1 leadersUpdated Jun 2026

Project: S8xx Wind-Turbine Airfoil Families for NREL

Service: Airfoil DesignService: High-Lift System DesignService: Wind-Tunnel TestingIndustry: AviationIndustry: AerospaceType: Aerospace Engineering+7 more

Alampalli Engineering, PLLC

Albany, NY

Key to reliable engineering, business and software solutions

WebsitePhone1 office1 leaders9 credentialsUpdated Jun 2026

Service detail: Infrastructure and Engineering

Service: Infrastructure and EngineeringService: Infrastructure Asset ManagementService: Structural MonitoringIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+25 more

Albany Hill LLC

Engineers with real world experience.

WebsiteUpdated Jun 2026

Service detail: Wireless Network Engineering

Service: Wireless Network EngineeringService: RF Design and Propagation ModelingService: Performance Optimization and AuditingIndustry: TelecommunicationsIndustry: Data CentersType: Telecom / RF Engineering+21 more

American Structural Engineering, P.C.

Consultants, engineers, and trusted advisors improving infrastructure and quality of life.

Website16 projects5 leaders6 credentialsFounded 2010Updated Jun 2026

Project: NYS Thruway Bridges Biennial Inspection

Service: Bridge Inspection & EvaluationService: Biennial, Special, and In-depth Bridge InspectionsService: Inspection of Complex and Suspended Bridge StructuresIndustry: BridgesIndustry: Highways & RoadsType: Civil Engineering+21 more

Amtech Aeronautical Limited

Medicine Hat, AB

Aeronautical Design, Defence R&D, and Industrial Automation

Website1 office5 projects2 credentialsFounded 1995Updated Jun 2026

Project: Viking DHC-6 Series 400 Phase 2A Avionics Upgrade Certification

Service: Aeronautical Engineering and CertificationService: Aircraft Modifications and Repairs DesignService: Regulatory Design ApprovalsIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+19 more

Analytical Services and Materials, Inc. (AS&M)

Hampton, VA

Total Customer Satisfaction

WebsitePhone1 office2 projects2 leaders10 credentialsFounded 1983

Project: Mars 2020 Rover Heat Shield Ground Qualification Test

Service: Engineering ServicesService: Aeronautics EngineeringService: Wind Tunnel Testing SupportIndustry: AerospaceIndustry: AviationType: Aerospace Engineering+32 more

Applied Science, Inc.

Southfield, MI

Solutions to your Challenges

WebsitePhone2 offices3 leadersFounded 1984Updated Jun 2026

Service detail: Civil and Site Design

Service: Civil and Site DesignService: Site Planning and Subdivision LayoutService: Grading and Roadway DesignIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+36 more

Armant LLC

Data-driven aerospace engineering modeling, simulation, and testing services.

Website5 leadersSize Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Modeling and Simulation

Service: Modeling and SimulationService: Multi-Physics SimulationService: CFD and Aerothermal SimulationIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+27 more