Public engineering firm directory

Find engineering consulting firms by capability and location.

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154 Tech LLC

Santa Barbara, CA

Advanced systems engineering, geospatial intelligence, and end-to-end program lifecycle support

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Technical Program Management

Service: Technical Program ManagementService: End-to-End Program ManagementService: Risk ManagementIndustry: DefenseIndustry: FederalType: Defense Engineering+28 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

AFuzion Inc.

Carlsbad, CA

When Safety Is Critical.

WebsitePhone1 office1 projects1 credentialsFounded 1989Size Estimate: 50-100 employees

Project: Applied Avionics DCU120 DAL A Certification Support

Service: Safety-Critical EngineeringService: Aviation Systems EngineeringService: Aviation Software EngineeringIndustry: AviationIndustry: AerospaceType: Aerospace Engineering+31 more

Anacapa Engineering and Design, Inc.

Bakersfield, CA

Transform Your Vision with Our Professional Engineering Team.

WebsitePhone1 office2 projects8 leadersFounded 2017Updated Jun 2026

Project: Springville Library

Service: Mechanical EngineeringService: System Design From Prototyping To ProductionService: Creating Reliable Configurations That Optimize PerformanceIndustry: IndustrialIndustry: Renewable EnergyType: Civil Engineering+36 more

Anchor QEA

Seattle, WA

Transforming Our Environment and Communities, with Integrity and Vibe

WebsitePhone28 offices4 projects4 leadersSize Estimate: 200-1,000 employeesUpdated Jun 2026

Project: Hancock County Marsh Living Shoreline

Service: EngineeringService: Civil EngineeringService: Coastal ResilienceIndustry: Power GenerationIndustry: FederalType: Civil Engineering+46 more

Atugan

Carlsbad, CA

Engineering for unlimited possibilities.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Wireless Communications

Service: Wireless CommunicationsService: Satellite and Terrestrial System DesignService: Wideband and Narrowband RF EngineeringIndustry: TelecommunicationsIndustry: DefenseType: Telecom / RF Engineering+19 more

Boarhog LLC

San Diego, CA

Defense. Engineering. Innovation.

WebsitePhone3 offices4 projects4 leaders2 credentialsSize Estimate: 40 employees

Project: USS PINCKNEY (DDG-91) CANES Installation

Service: Systems Engineering and Technical Assistance (SETA)Service: Requirements and Test PlanningService: Integrated Logistics SupportIndustry: DefenseIndustry: FederalType: Defense Engineering+29 more

Burns Engineering, Inc.

Philadelphia, PA

Partners in Reliability, Resilience, Innovation, Sustainability, and Safety

Website6 offices14 projects12 leaders15 credentials5 publicationsFounded 1960

Project: Pittsburgh International Airport Terminal Modernization Program

Service: Electrical EngineeringService: Power Infrastructure RenewalService: Campus Electrical ModernizationIndustry: AviationIndustry: RailType: Aviation Engineering+52 more

Canyon

El Segundo, CA

Canyon is an El Segundo, California defense engineering and acquisition consulting firm founded in 2006 that supports U.S. Space Force, Air Force, and Department of Defense program offices in GPS and positioning, navigation, and timing (PNT) programs. Canyon's engineers and acquisition specialists bring over 100 combined years of program management, systems engineering, and test and evaluation experience to space vehicle, ground, and user equipment programs. Canyon holds a patent on a Steerable Antenna System (US 12,562,472 B2) and has provided broad expertise in GPS-III satellite development and the Modernized GPS User Equipment (MGUE) program.

WebsitePhone1 office2 projects5 leadersFounded 2006Updated Jun 2026

Project: GPS-III Navigation Satellite Program Support

Service: Acquisition Engineering SupportService: Systems EngineeringService: Requirements DevelopmentIndustry: DefenseIndustry: SpaceType: Defense Engineering+6 more

Cogenia Partners, LLC

Petaluma, CA

Complete, Correct, Consistent

WebsitePhone1 office2 leadersFounded 2001Updated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: System Design and AnalysisService: Concept of Operations DevelopmentIndustry: TransportationIndustry: AutomotiveType: Transportation Engineering+11 more

Collaborative Robotics Inc

Seattle, WA

Robots that react to you.

Website2 offices3 projects1 leadersSize Estimate: 100-499 employeesUpdated Jun 2026

Project: Moderna Robotics Integration

Service: Autonomous Mobile Robot (AMR) DeploymentService: AMR Piloting and Fleet DeploymentService: Proxie Hardware CustomizationIndustry: Freight & LogisticsIndustry: HealthcareType: Automation & Controls+14 more

Continental Tide Defense Systems, Inc.

Wyomissing, PA

Continental Tide Defense Systems, Inc. (Continental Tide) provides programmatic, engineering, and technical services to the U.S. Navy, U.S. Coast Guard, Military Sealift Command, and other DoD organizations. Headquartered in Wyomissing, Pennsylvania, with offices near major naval installations in Virginia, California, Pennsylvania, Connecticut, and New Hampshire, it supports naval fleet operations through shipboard systems maintenance, modernization, engineering project delivery, and quality assurance management.

WebsitePhone6 offices8 leaders3 credentialsUpdated Jun 2026

Service detail: Maintenance & Modernization

Service: Maintenance & ModernizationService: Weapons & Combat SystemsService: Navigation, Bridge & Ship Control SystemsIndustry: DefenseIndustry: GovernmentType: Defense Engineering+13 more

Crystallogy Engineering

Pasadena, CA

We get stuff Done!

WebsitePhone1 office12 projects1 leaders7 credentialsUpdated Jun 2026

Project: Microgrid Energy Storage Solutions Design-Build

Service: Construction ManagementService: Construction PermittingService: Dispenser Upgrade, Calibration & CertificationIndustry: Renewable EnergyIndustry: Energy StorageType: Design-Build+16 more

DKS Associates

Oakland, CA

Shaping a Smarter Transportation Experience

Website8 offices7 projects1 leaders22 credentials4 publicationsFounded 1979

Project: Bellevue Downtown Multimodal Plan

Service: Transportation Planning & AnalysisService: Multimodal Corridor StudiesService: Traffic Impact StudiesIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+58 more

Engineering Analytics, Inc.

Fort Collins, CO

Professional civil and environmental engineering solutions

WebsitePhone4 officesFounded 2008Updated Jun 2026

Service detail: Engineering and Design

Service: Engineering and DesignService: Site Civil DesignService: Structural DesignIndustry: MiningIndustry: AerospaceType: Civil Engineering+47 more

Green Expert Technology Inc.

Haddonfield, NJ

Helping Clients Reach Their Mission. Helping Employees Reach Their Goals.

WebsitePhone6 offices5 projects6 leaders6 credentialsUpdated Jun 2026

Project: Support for US Navy Machinery Control Systems on DDG 51 Class Ships

Service: Systems EngineeringService: Integrated Bridge & Navigation SystemsService: Steering & Ship Control SystemsIndustry: DefenseIndustry: FederalType: Defense Engineering+26 more

HydroScience Engineers

Sacramento, CA

Full-service planning and design for water, wastewater, and recycled water projects

WebsitePhone4 offices10 projects6 leaders1 credentialsFounded 1998

Project: City of Hayward Water and Sewer Line Improvements

Service: Water EngineeringService: Treatment Plant DesignService: Pumping and Storage SystemsIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+20 more

Lean Technology Corporation

Irvine, CA

Comprehensive aviation and airfield electrical engineering solutions

WebsitePhone5 offices1 projects1 leaders1 credentialsFounded 2003

Project: San Francisco International Airport (SFO) Airfield Infrastructure

Service: Airfield Electrical EngineeringService: Airfield Lighting DesignService: Power Distribution SystemsIndustry: AviationIndustry: AirportsType: Electrical Engineering+11 more

NAJARS Engineering, Inc.

La Mesa, CA

Civil & Structural Engineering for Public Agency, Military, and Private Development

Website1 office6 leadersFounded 2013Size Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Analysis & Feasibility StudiesService: Site Development PlanningIndustry: GovernmentIndustry: DefenseType: Civil Engineering+19 more

Noble Consultants, Inc.

Petaluma, CA

Civil, Coastal, Estuarine, and Harbor Engineering

WebsitePhone2 offices8 projects1 leadersUpdated Jun 2026

Project: Tracy Pump Plant Fish Bypass Facility Renovation

Service: Coastal EngineeringService: Shoreline ProcessesService: Numerical ModelingIndustry: MarineIndustry: Ports & HarborsType: Civil Engineering+72 more

Overlook Systems Technologies, Inc.

Vienna, VA

Committed to Excellence

Website3 offices3 projectsFounded 1987Updated Jun 2026

Project: GPS Control Segment Sustainment

Service: GPS and PNT Engineering SupportService: GPS ModernizationService: PNT Architectures and RoadmapsIndustry: DefenseIndustry: GovernmentType: Defense Engineering+23 more

SSOE Group

Toledo, OH

Designing and Building the Future, Today

Website11 offices2 projects10 leaders7 credentials2 publicationsFounded 1948

Project: Envisage Wealth Worthington Office Biophilic Design

Service: ArchitectureService: Cleanroom Facility DesignService: Interior Wayfinding and LayoutsIndustry: SemiconductorsIndustry: Energy StorageType: Architecture & Engineering+42 more

Sikand Engineering Associates

Sherman Oaks, CA

Leaders in Engineering, Planning & Surveying

WebsitePhone1 office5 projects6 leadersFounded 1959Size Estimate: 50+ employees

Project: Skyline Ranch

Service: Civil EngineeringService: Rough and precise gradingService: Pavement and street plansIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+47 more

The Eden Group

Los Angeles, CA

Civil & Structural Engineering in Southern California

WebsitePhone2 offices2 projectsFounded 1982Updated Jun 2026

Project: Rancho Estate

Service: Civil EngineeringService: Grading PlansService: Drainage & HydrologyIndustry: ResidentialIndustry: Multifamily ResidentialType: Civil Engineering+29 more