Public engineering firm directory

Find engineering consulting firms by capability and location.

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Acropolis Engineers

Raleigh, NC

Engineering. Delivered.

WebsitePhone2 offices1 projects4 leaders1 credentialsFounded 2014

Project: Critical Process Equipment SCADA Monitoring System

Service: Equipment Optimization & MaintenanceService: Equipment Installation & CommissioningService: Preventative & Scheduled MaintenanceIndustry: Automation & ControlsIndustry: Life SciencesType: Automation & Controls+14 more

Advanced Systems Technology, Inc.

Lawton, OK

Advanced Systems Technology, Inc. (AST) delivers defense engineering and simulation solutions, drawing on over 39 years of experience supporting the Department of Defense. It specializes in Live, Virtual, Constructive, and Gaming (LVC-G) training domains, Command, Control, Communications, Computer, and Intelligence (C4I) systems, and training aids, devices, simulators, and simulations (TADSS).

WebsitePhone2 officesUpdated Jun 2026

Service detail: LVC-G Training Systems Engineering

Service: LVC-G Training Systems EngineeringService: Live, Virtual, and Constructive SimulationService: Gaming and Training ApplicationsIndustry: DefenseIndustry: GovernmentType: Defense Engineering+12 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

Associated Engineering Consultants, Inc.

Redding, CA

A Diverse Civil Engineering and Pavement Consulting Practice

Website1 officeFounded 1998Updated Jun 2026

Service detail: Pavement Management and Planning

Service: Pavement Management and PlanningService: Pavement Management SystemsService: Deflection Testing and AnalysisIndustry: GovernmentIndustry: CommercialType: Civil Engineering+15 more

Avelar

Walnut Creek, CA

Collaborative & Innovative

WebsitePhone1 office5 projects6 leaders3 credentialsFounded 1976

Project: Combination of Condominium Units and Single-Family Homes

Service: Forensic and Litigation SupportService: Litigation Expert SupportService: Expert Witness TestimonyIndustry: ResidentialIndustry: Multifamily ResidentialType: Architecture & Engineering+38 more

B3H Corporation

Shalimar, FL

Building Freedom's Team

WebsitePhone2 officesUpdated Jun 2026

Service detail: Engineering and Technical Support

Service: Engineering and Technical SupportService: Systems EngineeringService: Software EngineeringIndustry: DefenseIndustry: FederalType: Defense Engineering+24 more

Balance Engineering LLC

Butte, MT

Dedicated to Conserving Energy and other Natural Resources

Website1 office3 projects1 leaders7 credentialsSize Estimate: 1 employeesUpdated Jun 2026

Project: 6 kW Grid-Connected Solar Electric System

Service: Energy ManagementService: Energy AuditService: Agricultural Energy AuditsIndustry: AgricultureIndustry: WindType: Power & Utility Engineering+13 more

Basic Engineering Concepts Technologies Inc

Arlington, VA

Accomplish Your Mission With BecTech

WebsitePhone1 office2 projects3 leadersFounded 1997Updated Jun 2026

Project: Military Sealift Command Bridge Resource Management

Service: Defense Systems EngineeringService: Weapon Systems EngineeringService: Combat Systems IntegrationIndustry: AerospaceIndustry: DefenseType: Defense Engineering+15 more

Bayer United Engineering Consultants

Tampa, FL

Exceptional People Deliver Exceptional Results.

WebsitePhone2 offices2 projects1 credentialsSize Estimate: 5-25 employeesUpdated Jun 2026

Project: Design Services for Pavement Preservation Projects

Service: Roadway EngineeringService: Highway DesignService: Roadway Quality ControlIndustry: Highways & RoadsIndustry: TransportationType: Civil Engineering+29 more

Bridge View Resources, LLC

Vacaville, CA

Optimized and Sustainable Infrastructure Systems

WebsitePhone1 office3 projects4 leaders1 publicationsFounded 2007

Project: 2 Million Square Foot Processing Facility Electrical Coordination and Load Study

Service: Water & Wastewater System EngineeringService: Utility System Privatization & AcquisitionService: Intergovernmental Service Agreements (IGSA)Industry: DefenseIndustry: FederalType: Power & Utility Engineering+27 more

CBA Elevator Consultants, LLC

Rochelle Park, NJ

Providing solutions that balance safety, sustainability, and our client’s best interest.

WebsitePhone1 office1 leaders1 credentialsFounded 1999Updated Jun 2026

Service detail: Modernization

Service: ModernizationService: New InstallationService: Inspection and AssessmentIndustry: Arts & CultureIndustry: CommercialType: Automation & Controls+20 more

CH4 Systems

Sustainable Engineering Solutions

WebsiteUpdated Jun 2026

Service detail: EPC Services

Service: EPC ServicesService: Engineering & FeasibilityService: Procurement & LogisticsIndustry: Oil & GasIndustry: Renewable EnergyType: EPC+15 more

Coldwater Engineering

Helena, MT

Coldwater Engineering is a Helena, Montana-based civil engineering practice specializing in hydrology and hydraulics, railroad engineering, environmental permitting, and survey. Founded around railroad infrastructure, it has completed nearly a thousand Class I railroad projects across 23 states, with long-term master services agreements with Union Pacific Railroad and Kansas City Southern. Core capabilities include bridge opening analysis, scour analysis and countermeasure design, floodplain permitting, streambank stabilization, and wetland delineation.

WebsitePhone1 office4 projects4 leaders1 credentialsUpdated Jun 2026

Project: Union Pacific Railroad Bridge 59.43 - Milwaukee Subdivision, Wisconsin

Service: Hydrology and HydraulicsService: Bridge Opening Analysis and DesignService: Scour Analysis and Countermeasure DesignIndustry: RailIndustry: BridgesType: Civil Engineering+18 more

DAS Everywhere

Arlington, VA

Where Mobility, Productivity, and Security Converge

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Distributed Antenna Systems (DAS)

Service: Distributed Antenna Systems (DAS)Service: Public Safety DASService: Cellular DASIndustry: CommercialIndustry: FederalType: Telecom / RF Engineering+10 more

DeMarr Engineering, PLLC

Arlington, VA

Land Surveying & Civil Engineering to Capture and Design Reality

WebsitePhone1 office2 leadersUpdated Jun 2026

Service detail: Civil Engineering Site Plans

Service: Civil Engineering Site PlansService: Feasibility Study / Pre-Design PhaseService: Schematic Design (SD)Industry: ResidentialIndustry: CommercialType: Civil Engineering+18 more

Earth Space Technology Services, LLC

Upper Marlboro, MD

Empowering Innovation

WebsitePhone1 office3 projects1 leaders5 credentialsFounded 2020

Project: NASA OMES III Multidiscipline Engineering Support

Service: Aerospace & Mechanical EngineeringService: Systems & Network EngineeringService: Network Infrastructure & AdministrationIndustry: FederalIndustry: AerospaceType: Aerospace Engineering+13 more

EcoStrategies Engineering & Surveying

Falconer, NY

Civil engineering, environmental consulting, and professional land surveying services

WebsitePhone2 offices2 leaders2 credentialsUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Subdivision DesignService: Site Grading and Drainage PlansIndustry: Aggregates & QuarryingIndustry: Biomass & BioenergyType: Civil Engineering+40 more

Embedded Flight Systems, Inc.

Laurel, MD

Embedded Flight Systems, Inc. (EFSI) is a Laurel, Maryland software and systems engineering firm that builds, certifies, and operates mission-critical flight software and ground systems for NASA and NOAA. Founded in 2002, EFSI has supported more than 20 NASA missions at Goddard Space Flight Center over 25 years, including JWST, Hubble, Roman Space Telescope, PACE, GOES-R/GeoXO, JPSS, LRO, MMS, and GPM. It provides end-to-end mission software capability covering flight software development, ground system operations, systems engineering, spacecraft simulation, IT security, and safety and mission assurance. EFSI employs approximately 50 engineers and staff and holds a Top Secret Facilities Clearance.

WebsitePhone1 office5 credentialsFounded 2002Size Estimate: 50 employeesUpdated Jun 2026

Service detail: Flight Software

Service: Flight SoftwareService: Ground SystemsService: Systems EngineeringIndustry: AerospaceIndustry: SpaceType: Aerospace Engineering+20 more

EngGroup, PSC

Culebra, PR

Power in Motion

WebsitePhone1 office1 projects1 leadersFounded 2013Updated Jun 2026

Project: PREPA Energy Management System Maintenance & Operations

Service: Energy Management & Control SystemsService: Managed Services for Energy Management SystemsService: SCADA & Automatic Generation Control (AGC) SystemsIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Automation & Controls+16 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

Four Quarters Mechanical, LLC

Cinnaminson, NJ

The Smarter Solution for HVAC & Plumbing

WebsitePhone1 office4 projects7 leaders4 credentialsFounded 1990

Project: Sea Box

Service: Design/Build HVACService: Tailored system designs optimized for energy efficiency and sustainability goalsService: Seamless integration into new construction and renovation projectsIndustry: CommercialIndustry: IndustrialType: MEP+16 more

Gliasis

Piscataway, NJ

Intelligent Engineering Solution

WebsitePhone1 officeFounded 2021Updated Jun 2026

Service detail: Engineering and Design

Service: Engineering and DesignService: Detailed EngineeringService: Planning and Construction SupportIndustry: Power GenerationIndustry: ChemicalsType: Process Engineering+28 more

Halcyon Facilities Group

Marcellus, MI

Infrastructure project management and facility engineering advisory practice

WebsitePhone1 office3 projects3 leadersUpdated Jun 2026

Project: FCA to Action Project Development

Service: Renewal Asset Management Program (RAMP)Service: Performance-Driven AssessmentsService: Deferred Maintenance Project IdentificationIndustry: HealthcareIndustry: EducationType: MEP+16 more

Hale Surratt Engineers, LLC

Roadway Design, Land Development, and Project Management Services

Website2 leadersFounded 2022Size Estimate: 2-10 employeesUpdated Jun 2026

Service detail: Pre-Development Services

Service: Pre-Development ServicesService: Due diligence and entitlement researchService: Impact fee estimationIndustry: CommercialIndustry: RetailType: Civil Engineering+53 more