Public engineering firm directory

Find engineering consulting firms by capability and location.

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2 Bravo Group LLC

We make sure buildings work

Website6 projectsUpdated Jun 2026

Project: VA Medical Center - New Construction Commissioning

Service: Building CommissioningService: Design and submittal reviewService: Functional performance testingIndustry: FederalIndustry: DefenseType: MEP+18 more

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 Innovations, LLC

Honolulu, HI

Developing Ideas From Concept To Product

WebsitePhone1 office5 projectsFounded 2007Updated Jun 2026

Project: The BabyToon Silicone Baby Spoon

Service: Product Design & EngineeringService: 3D CAD Design & VisualizationService: 3D EngineeringIndustry: AerospaceIndustry: DefenseType: Mechanical Engineering+14 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-P-T Research, Inc.

Huntsville, AL

Providing Safe Solutions.

WebsitePhone1 office3 projects4 leaders5 credentialsFounded 1990

Project: NASA Goddard Space Flight Center Safety and Mission Assurance Services (SMAS) III

Service: System Safety EngineeringService: Hazard Analysis and Risk AssessmentService: Hazard ClassificationIndustry: AerospaceIndustry: SpaceType: Process Safety Engineering+40 more

A2 Efficiency

Santa Rosa, CA

Building performance consulting, from first principles to policy.

WebsitePhone1 officeUpdated Jun 2026

Service detail: MEP Basis of Design & Performance Consulting

Service: MEP Basis of Design & Performance ConsultingService: Early-Stage Energy & Comfort ModelingService: Mechanical System Concept & Basis of DesignIndustry: CommercialIndustry: EducationType: MEP+18 more

A3 Technology, Inc.

Egg Harbor City, NJ

The people you know... The results you expect... The team you trust!

WebsitePhone2 offices3 projects6 leaders4 credentialsFounded 2001

Project: Aviation Safety Knowledge Management Environment Program

Service: Information Technology Infrastructure & OperationsService: Network SupportService: Data Center OperationsIndustry: GovernmentIndustry: FederalType: Software Engineering+18 more

ACSYeS Inc

Aberdeen Proving Ground, MD

Scientific and engineering consulting services for aerospace, defense, and commercial applications.

WebsitePhone2 officesUpdated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: Architecture DevelopmentService: Requirements EngineeringIndustry: AerospaceIndustry: CommercialType: Defense Engineering+23 more

ADDX Corporation

Alexandria, VA

Tenacious by Nature

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering Readiness and Lifecycle Support

Service: Engineering Readiness and Lifecycle SupportService: Digital Engineering LaunchpadService: Engineering Readiness ReviewsIndustry: DefenseIndustry: GovernmentType: Defense Engineering+23 more

AE Works

Sewickley, PA

We Make Building Projects a Better Value

WebsitePhone2 offices15 projects1 leaders23 credentials3 publications

Project: Bay Pines VA Medical Center, Electronic Health Records Modernization

Service: Architecture & Interior DesignService: Programming and Test FitsService: Master Planning and Space ConsolidationIndustry: CommercialIndustry: Multifamily ResidentialType: Architecture & Engineering+46 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

AEPC Group, LLC

Santa Clarita, CA

We build confidence

WebsitePhone1 office1 projects4 leadersUpdated Jun 2026

Project: Offset Success for Aviation Client

Service: ArchitectureService: Schematic and Conceptual Design DevelopmentService: Construction Documents and SpecificationsIndustry: AerospaceIndustry: AviationType: Architecture & Engineering+40 more

AFORGE LLC

Lorton, VA

Accelerating the Speed of Knowledge to Support National Security

WebsitePhone3 offices6 credentialsSize Estimate: 1-24 employeesUpdated Jun 2026

Service detail: Strategy, Advisory, & Consulting

Service: Strategy, Advisory, & ConsultingService: Strategic & Operational PlanningService: Program Planning, Budgeting, and Execution (PPBE)Industry: DefenseIndustry: Intelligence & National SecurityType: Defense Engineering+28 more

AFVET Solutions, LLC

Warner Robins, GA

Providing responsive, innovative solutions in aviation, engineering, logistics, and program management services.

WebsitePhone2 offices1 leadersFounded 2007Updated Jun 2026

Service detail: Engineering Support

Service: Engineering SupportService: Systems Engineering and IntegrationService: Avionics ModernizationIndustry: AviationIndustry: DefenseType: Aviation Engineering+30 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

ARCCA LLC

Expert Forensic, Scientific and Engineering Solutions

Website2 projects7 leaders7 credentialsFounded 1987Updated Jun 2026

Project: School Bus and Tractor Collision Reconstruction

Service: Forensic Engineering & Expert Witness ConsultingService: Accident ReconstructionService: Biomechanics & Human FactorsIndustry: LegalIndustry: InsuranceType: Forensic Engineering+11 more

ASI Partners Inc.

Huntsville, AL

Engineering Capability and Talent for What Comes Next

WebsitePhone1 officeUpdated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: Architecture Development and MBSEService: System Integration and VerificationIndustry: DefenseIndustry: AerospaceType: Defense Engineering+20 more

ASR Engineering Inc.

Portland, ME

Precision Industrial Control and Automation Engineering

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Industrial Control Automation Engineering

Service: Industrial Control Automation EngineeringService: PLC and PAC ProgrammingService: HMI DevelopmentIndustry: Food & BeverageIndustry: Renewable EnergyType: Automation & Controls+26 more

AVI, PC

Cheyenne, WY

Engineering Excellence

WebsitePhone2 offices9 projects6 leaders2 credentialsUpdated Jun 2026

Project: Casper's West Belt Loop Road

Service: TransportationService: Roadway DesignService: Drainage DesignIndustry: GovernmentIndustry: TransportationType: Civil Engineering+51 more

Acumen Building Enterprise, Inc.

Oakland, CA

Improving Mobility and Access

Website1 office8 projects6 leaders3 credentialsFounded 1994Size Estimate: 50-199 employees

Project: Link21 Program's New Transbay Rail Crossing

Service: Systems EngineeringService: Database Design & MaintenanceService: Fare CollectionIndustry: TransitIndustry: TransportationType: Civil Engineering+14 more

AdvanceBio LLC

Milford, OH

Biofuels and biochemical industry consultants

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Commercial Bio-Based Process Engineering

Service: Commercial Bio-Based Process EngineeringService: General Project ConsultingService: Technical Due DiligenceIndustry: Biomass & BioenergyType: Owner's Engineer+14 more

Advanced Asphalt Technologies, LLC

Kearneysville, WV

Leading in Asphalt Testing and Equipment

WebsitePhone1 office6 credentialsFounded 1993Size Estimate: 1-15 employeesUpdated Jun 2026

Service detail: Asphalt Material Testing Services

Service: Asphalt Material Testing ServicesService: Superpave Mixture DesignService: Balanced Mixture DesignIndustry: Highways & RoadsIndustry: AirportsType: Civil Engineering+33 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

Advanced Research and Engineering Integrated Solutions LLC

Niceville, FL

Engineering solutions for unmanned and embedded systems

WebsitePhone1 office1 leadersFounded 2010Updated Jun 2026

Service detail: Unmanned Systems Engineering

Service: Unmanned Systems EngineeringService: Unmanned Aerial VehiclesService: Sensors and PayloadsIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+23 more