Public engineering firm directory

Find engineering consulting firms by capability and location.

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AEIS

South Plainfield, NJ

Helping Build a Safer Infrastructure

WebsitePhone2 offices4 projects3 leaders2 credentialsFounded 2008

Project: LaGuardia Airport Redevelopment

Service: Construction Quality AssuranceService: Special and Critical InspectionsService: Non-Destructive TestingIndustry: AviationIndustry: AirportsType: Materials Testing+15 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

AMG, Inc.

Dayton, OH

Industrial Facility Engineering

WebsitePhone1 office12 projects1 leaders2 credentials2 publications

Project: Calcium Carbonate Production Plant

Service: Process EngineeringService: PFD and P&ID DevelopmentService: Material and Energy Balance SimulationIndustry: ChemicalsIndustry: Food & BeverageType: Automation & Controls+73 more

ASA Engineering & Surveying, LLC

Valdosta, GA

ASA Engineering & Surveying, LLC is a South Georgia engineering consultancy based in Valdosta, established in 1988, offering civil engineering, environmental engineering, land surveying, and aerial mapping services. Over 85% of business comes from repeat clients across commercial, residential, industrial, and governmental sectors. ASA is Georgia Department of Transportation Pre-Qualified, recognized by the Georgia EPD for exemplary erosion control and environmental plans, and holds FAA Part 107 certification for drone-based aerial mapping.

WebsitePhone1 office3 leaders6 credentialsFounded 1988Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Transportation InfrastructureService: Structural EngineeringIndustry: CommercialIndustry: ResidentialType: Civil Engineering+20 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

Alliance Geotechnical Group, Inc.

Dallas, TX

Accredited Laboratory Testing.

WebsitePhone6 offices21 leaders12 credentialsFounded 1999Size Estimate: 150+ employees

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface ExplorationService: Geotechnical InvestigationsIndustry: GovernmentIndustry: EducationType: Geotechnical Engineering+35 more

Arnold & Associates, Inc.

Roswell, GA

Arnold & Associates, Inc. (A&A) is an Operations and Maintenance (O&M) engineering consulting practice founded in 1988 and based in Roswell, Georgia. It provides professional engineering, training, technical O&M consulting, and staff support services. Its capabilities serve industrial and utility systems, steam and electric power generation, building HVAC systems, and similar facility operations. The practice specializes in the efficient management and utilization of personnel, energy, rotating equipment, boilers, steam and combustion turbines, and diesel-engine-driven components. It also offers technical recruiting, energy conservation surveys, and professional power engineering licensing preparation seminars.

Website1 office2 credentialsFounded 1988Updated Jun 2026

Service detail: Operations & Maintenance Consulting

Service: Operations & Maintenance ConsultingService: Procedures Review and UpdatingService: O&M Personnel EvaluationsIndustry: Power GenerationIndustry: Oil & GasType: Mechanical Engineering+29 more

Axiom Aerospace LLC

Chicago, IL

Full Aircraft Certification and Engineering Services

Website1 officeUpdated Jun 2026

Service detail: FAA Certification and Foreign Validation

Service: FAA Certification and Foreign ValidationService: Airworthiness Certification for Parts 23, 25, 27, and 29Service: Supplemental Type CertificationIndustry: AerospaceIndustry: AviationType: Aerospace Engineering+10 more

Bill Austin & Associates

Columbus, IN

Information engineering and mission engineering consulting

WebsitePhone1 office1 leadersFounded 1996Updated Jun 2026

Service detail: Information Engineering

Service: Information EngineeringService: Process and Requirements ManagementService: Systems Engineering ToolsIndustry: FederalIndustry: DefenseType: Defense Engineering+12 more

Bravura Information Technology Systems, Inc.

Aberdeen, MD

Innovation delivered

Website1 office1 projects4 leaders1 credentialsFounded 2014Updated Jun 2026

Project: AT&T FirstNet Field & Flight Operations

Service: Persistent Surveillance SystemsService: Tethered Aerostat Systems (TAS)Service: Tactical Aerial Surveillance SustainmentIndustry: DefenseIndustry: FederalType: Defense Engineering+24 more

Brett LLC

Bristow, VA

Information Technology Consulting

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Systems and Software Engineering

Service: Systems and Software EngineeringService: Net-Centric Data InteroperabilityService: Systems Engineering and ValidationIndustry: FederalIndustry: DefenseType: Software Engineering+27 more

CLAD Consulting, Inc.

San Luis Obispo, CA

Engineering Services Horsepower

WebsitePhone1 office4 projects2 leaders2 credentialsSize Estimate: 1-25 employees

Project: 4.5 MW Solar Farm

Service: Engineering ConsultingService: Preconstruction SupportService: Estimate ReviewIndustry: GovernmentIndustry: SolarType: Civil Engineering+30 more

DECK Four Innovation, Inc.

Merritt Island, FL

Providing aerospace engineering and technical support for complex space programs

WebsitePhone1 office4 projects1 credentialsUpdated Jun 2026

Project: NASA Artemis Launch Control Modernization

Service: Command and ControlService: System Design & ArchitectureService: Checkout and MonitoringIndustry: AerospaceIndustry: SpaceType: Aerospace Engineering+23 more

DECON Environmental, Inc.

Scotts Valley, CA

Professional engineering, environmental assessment, and industrial hygiene services

WebsitePhone1 office11 projects7 credentialsUpdated Jun 2026

Project: Air Discharge Permitting for 300,000-Gallon Per Day Wastewater Treatment Plant

Service: Demolition Environmental ServicesService: Preparation and Presentation of Demolition Environmental PlansService: Demolition PermittingIndustry: Land DevelopmentIndustry: Food & BeverageType: Environmental Engineering+45 more

DMY Engineering Consultants Inc.

Chantilly, VA

Reliable. Innovative.

WebsitePhone3 offices10 projects1 credentialsFounded 2009Updated Jun 2026

Project: Dulles Corridor Silver Line Metrorail Project Phase II

Service: Geotechnical EngineeringService: In-House Geotechnical Drilling and TestingService: Foundation Analysis and DesignIndustry: TransportationIndustry: WastewaterType: Geotechnical Engineering+23 more

DeLasCasas Cathodic Protection, LLC

Cathodic protection engineering and corrosion-control design

Website3 leaders5 credentials7 publicationsUpdated Jun 2026

Service detail: Cathodic Protection Engineering and Design

Service: Cathodic Protection Engineering and DesignService: Anode Spatial Distribution SystemsService: Pipeline Protection NetworksIndustry: Oil & GasIndustry: Water SupplyType: Materials Engineering+17 more

Electro Design Engineering, Inc.

Riverview, FL

Leaders in Quality Construction, Engineering and Automation

WebsitePhone5 offices3 projects1 credentialsFounded 1985Size Estimate: 300+ employees

Project: 23 MW Solar Array

Service: Engineering & Design ServicesService: Budget Cost EstimatesService: Power and Distribution SystemsIndustry: IndustrialIndustry: ManufacturingType: Electrical Engineering+36 more

Elkhorn Commissioning Group

Bozeman, MT

Committed Building Performance Researchers

Website4 offices6 projects9 leaders8 credentialsSize Estimate: 1-9 employeesUpdated Jun 2026

Project: Leon Johnson Hall Energy Upgrade

Service: New Construction CommissioningService: Owner's Project Requirements (OPR) DevelopmentService: Design Document ReviewIndustry: CommercialIndustry: HealthcareType: Mechanical Engineering+24 more

Epsilon Systems Solutions, Inc.

San Diego, CA

Epsilon Systems Solutions, Inc. is a defense engineering and technical services provider headquartered in San Diego, California, with facilities in Portsmouth, Virginia, Mayport, Florida, and Pearl Harbor, Hawaii. Epsilon Systems provides marine engineering and ship repair for all classes of U.S. Navy vessels, C5ISR systems engineering and intelligence support, manufacturing of advanced military and commercial products, and technical services including geospatial analysis, environmental compliance, and simulation training. Operating over 125,000 square feet of repair, modernization, and manufacturing facilities near major U.S. Navy homeports, Epsilon Systems holds SUBSAFE certification on all classes of submarines and serves the U.S. Navy, NAVAIR, NAVSEA, and the broader national security community.

Website5 offices12 credentialsUpdated Jun 2026

Service detail: Navy Ship Repair and Modernization

Service: Navy Ship Repair and ModernizationService: SUBSAFE Submarine Modernization and RepairService: Alteration Installation Team (AIT) ServicesIndustry: DefenseIndustry: MarineType: Defense Engineering+30 more

Evans Engineering and Consulting

Post Falls, ID

Progressive and detail-oriented electrical engineering design

WebsitePhone1 office10 projects6 credentialsUpdated Jun 2026

Project: Priest Rapids Turbine and Generator Building

Service: Electrical Engineering DesignService: Power System DesignService: Emergency Power System DesignIndustry: CommercialIndustry: RetailType: Electrical Engineering+30 more

Exemplar Systems, LLC

Success-driven engineering services and close-in field support.

Website4 credentialsFounded 2003Updated Jun 2026

Service detail: Engineering and Systems Design

Service: Engineering and Systems DesignService: Electrical EngineeringService: Mechanical and Hydraulic DesignIndustry: AerospaceIndustry: MarineType: Aerospace Engineering+28 more

FST Technical Services

Mission Critical. Mission Assured.

Website1 leadersFounded 1984Size Estimate: 400 employeesUpdated Jun 2026

Service detail: Quality Assurance and Quality Control

Service: Quality Assurance and Quality ControlService: Proactive Quality AssuranceService: In-Field Quality ControlIndustry: SemiconductorsIndustry: Life SciencesType: Materials Testing+22 more

GL Technologies, LLC

San Diego, CA

Independent, Audit-Ready, From Within the Industry

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Equipment Calibration

Service: Equipment CalibrationService: HPLC Calibration & RepairService: Mass Spectrometry CalibrationIndustry: Life SciencesIndustry: PharmaceuticalType: Automation & Controls+15 more

GaN Corporation

Huntsville, AL

Innovate with Purpose

Website2 offices1 leadersUpdated Jun 2026

Service detail: Training, Test & Evaluation

Service: Training, Test & EvaluationService: T&E Capability DevelopmentService: Systems Engineering PracticesIndustry: DefenseIndustry: FederalType: Defense Engineering+51 more