Public engineering firm directory

Find engineering consulting firms by capability and location.

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4M Research, Inc.

Huntsville, AL

4M Research, Inc., headquartered in Huntsville, AL since 2010, specializes in engineering, enterprise solutions, and operations and logistics services across the DoD and NASA sectors. 4M provides quality engineering support to a wide variety of customers as both a prime contractor and a subcontractor. Its team of technical professionals is dedicated to supporting the business and mission goals of clients, with a portfolio of high-end technical skills and substantial past performance.

Website1 office1 leadersUpdated Jun 2026

Service detail: Engineering

Service: EngineeringService: Systems Engineering and AnalysisService: Software Engineering and SupportIndustry: AerospaceIndustry: AviationType: Aviation Engineering+12 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

ABD Tech Solutions, LLC

Achieving military interoperability

Website2 leaders1 credentialsUpdated Jun 2026

Service detail: Foreign Military Sales Support

Service: Foreign Military Sales SupportService: Pre-Letter of Request SupportService: Letter of Offer and Acceptance DevelopmentIndustry: DefenseIndustry: FederalType: Defense Engineering+24 more

ACSSTechs, LLC

Harvest, AL

Expert Engineering Consultants

WebsitePhone1 office5 credentialsUpdated Jun 2026

Service detail: Software Engineering

Service: Software EngineeringService: Software Development EnvironmentsService: Software Architecture Design and ImplementationIndustry: SoftwareIndustry: Data CentersType: Software Engineering+6 more

AEED, Inc.

Chattanooga, TN

Sustainable, Innovative Engineering Solutions

WebsitePhone1 office2 credentialsFounded 2001Updated Jun 2026

Service detail: Engineering, Consulting and Design

Service: Engineering, Consulting and DesignService: Mechanical EngineeringService: Clean Room Design and CommissioningIndustry: CommercialIndustry: HospitalityType: MEP+53 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

AI Engineers, Inc.

Cromwell, CT

Improving Life. By Design.

WebsitePhone1 office4 projects8 leaders2 credentials5 publications

Project: Rhode Island Corridor Modernization

Service: BridgesService: Bridge structural designService: Bridge inspection and safety evaluationIndustry: FederalIndustry: GovernmentType: Civil Engineering+45 more

AMERICAN SYSTEMS Corporation

McLean, VA

Leaders by Performance.

WebsitePhone3 offices6 leaders15 credentialsFounded 1975Updated Jun 2026

Service detail: Engineering and Analysis

Service: Engineering and AnalysisService: Aerospace EngineeringService: Defense Systems AnalysisIndustry: DefenseIndustry: FederalType: Defense Engineering+12 more

AMP Optics LLC

Blue-Sky to Reality

Website6 publicationsFounded 2010Updated Jun 2026

Service detail: Optical Design and Engineering

Service: Optical Design and EngineeringService: Advanced Optical DesignService: Optical System Concept DevelopmentIndustry: AerospaceIndustry: DefenseType: Electrical Engineering+26 more

ASG Solutions Corporation

San Diego, CA

ASG Solutions Corporation is a San Diego-based professional services provider supporting critical federal and military missions globally. It specializes in delivering tailored solutions across engineering, construction management, environmental services, information technology, and defense logistics.

WebsitePhone1 office10 projects1 leadersFounded 2005Updated Jun 2026

Project: Technical Support Services for NAVFAC SE DCBL/DC 4

Service: Engineering ServicesService: Electrical EngineeringService: Engineering TechniciansIndustry: DefenseIndustry: FederalType: Defense Engineering+23 more

ATCSI LLC

Chesapeake, VA

ATCSI LLC delivers specialized services and technical solutions in air traffic control systems integration, shipboard systems, manned and unmanned air systems, and air traffic control procedures and policy development. It provides program management, task-based curriculum development, technical training, information analysis, digital data services, systems engineering, and strategic project planning. With a workforce of subject matter experts, the team supports complex aerospace, defense, and maritime programs.

Website1 office2 projects4 leadersFounded 2012Updated Jun 2026

Project: Naval Air Traffic Management Program Support

Service: Air Traffic Control Systems IntegrationService: Air Traffic Control Procedure and Policy DevelopmentService: Air Traffic Control SimulationIndustry: DefenseIndustry: AviationType: Aerospace Engineering+19 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

AUSGAR Technologies, Inc.

San Diego, CA

Innovative, High-Quality Engineering Services

WebsitePhone2 offices4 projects7 leaders4 credentialsFounded 2003

Project: Navy Continuous Training Environment (NCTE) Support

Service: CybersecurityService: Assessment and Authorization (A&A)Service: Network Testing and ValidationIndustry: DefenseIndustry: FederalType: Defense Engineering+19 more

Accolade Technologies LLC

Annapolis Junction, MD

Empowering organizations through technology

Website1 office2 credentialsFounded 2019Updated Jun 2026

Service detail: Software Development

Service: Software DevelopmentService: CybersecurityService: Network Security & AnalysisIndustry: GovernmentIndustry: FederalType: Software Engineering+26 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

Advanced Concepts in Engineering & Science, LLC

Colorado Springs, CO

Strategic Solutions delivered with Tactical Speed and Innovation

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering Services and Applied Science

Service: Engineering Services and Applied ScienceService: Conceptual Solution DesignService: Project Planning and BudgetingIndustry: DefenseIndustry: GovernmentType: Defense Engineering+8 more

Advanced Research and Technology Corporation

Oxnard, CA

Innovations for a Better Tomorrow

WebsitePhone1 office3 projects1 leaders8 credentials2 publications

Project: Navy Threat Simulator Validation Contract

Service: Radar and Electronic Warfare SystemsService: Radar Cross Section Measurement and AnalysisService: Radar Signature ControlIndustry: DefenseIndustry: AerospaceType: Defense Engineering+31 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

Alpha Land Surveying & Mapping

Omaha, NE

Alpha Land Surveying & Mapping (ALSM) was founded in January 1996 by Fred M. Franklin, PLS, in Oakland, Nebraska, and has grown into a regional land surveying practice serving Nebraska and Florida. ALSM provides boundary, ALTA/ACSM, topographic, elevation certificate, and FEMA/LOMA/GIS surveys, along with construction staking and aerial drone services. A technology-forward practice, ALSM offers aerial drone photogrammetry and LiDAR scanning for power-line corridors, railway corridors, cell towers, and general corridor mapping, producing 3D point clouds, 2D and 3D orthomosaic maps, and BIM-ready spatial data. The firm operates from offices in Omaha, Oakland, South Sioux City, Norfolk, and Blair, Nebraska, and Tampa, Florida.

WebsitePhone6 offices1 leadersFounded 1996Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: ALTA/ACSM SurveysService: Boundary SurveysIndustry: Land DevelopmentIndustry: Multifamily ResidentialType: Land Surveying+17 more

Altagrove LLC

Herndon, VA

Built for speed. Engineered to deliver.

WebsitePhone3 offices6 projects7 credentialsUpdated Jun 2026

Project: Missile Defense Agency SHIELD IDIQ

Service: CyberService: Cyber Security EngineeringService: Risk Management Framework (RMF) ComplianceIndustry: DefenseIndustry: Intelligence & National SecurityType: Software Engineering+24 more

Altieri Sebor Wieber, LLC

Wilton, CT

Making Bold Visions Work

WebsitePhone2 offices5 projects1 leaders2 credentialsUpdated Jun 2026

Project: David Rockefeller Creative Arts Center

Service: MEPF EngineeringService: Mechanical EngineeringService: Building Automation and Energy ManagementIndustry: Arts & CultureIndustry: EducationType: MEP+56 more

Altus Engineering

Darlington, MD

A History of Proven Performance

WebsitePhone1 office5 projects1 leaders1 credentialsFounded 2003

Project: Army Research Lab Ballistic Modeling and Research

Service: Software Development and IntegrationService: Survivability Analysis SoftwareService: Modeling and Simulation ToolsIndustry: DefenseIndustry: FederalType: Defense Engineering+15 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