Public engineering firm directory

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ArcSine Engineering

Redding, CA

The Expert's Expert.

WebsitePhone2 offices4 projects3 credentialsFounded 1978Size Estimate: 25-50 employees

Project: Town of Windsor SCADA System

Service: Electrical EngineeringService: Lighting Design and ModelingService: Power System StudiesIndustry: WastewaterIndustry: Water SupplyType: Automation & Controls+33 more

Argo Performance, Ltd.

San Diego, CA

Smart People Creating Smart Buildings

WebsitePhone1 office7 projects2 leaders4 credentialsUpdated Jun 2026

Project: Gilead Sciences Building 800 Reef TI GMP Plant

Service: Building CommissioningService: Whole Building CommissioningService: RetrocommissioningIndustry: CommercialIndustry: Life SciencesType: Automation & Controls+30 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

Campos EPC, LLC

Denver, CO

The Leader In Energy Infrastructure

WebsitePhone20 offices1 projects11 leaders3 publicationsFounded 2005

Project: 350MW Data Center Power Generation & Substation Facility

Service: EngineeringService: Pipeline EngineeringService: Transmission And Midstream Pipeline DesignIndustry: Oil & GasIndustry: UtilitiesType: EPC+51 more

Centurum

McLean, VA

End-to-End Life Cycle Solutions for Defense and Federal Networks

WebsitePhone5 offices3 projects1 credentialsFounded 2004Size Estimate: 400+ employees

Project: AN/USQ-82(V) Data Multiplex System (xDMS) Engineering Support

Service: Cybersecurity and Information AssuranceService: CMMC Level 2 ComplianceService: Integrated Product SupportIndustry: DefenseIndustry: FederalType: Defense Engineering+22 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

D3 Technologies Inc

San Diego, CA

High-quality engineering services and support

Website1 office2 credentialsFounded 1982Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: Structures Design and Solid ModelingService: Critical Structures EngineeringIndustry: DefenseIndustry: AerospaceType: Aerospace Engineering+65 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

GreenDart Incorporated

Long Beach, CA

GreenDart delivers superior program savings to U.S. government mission-critical system development efforts, focusing on environments where risk reduction yields significant program cost savings. The practice provides Test and Evaluation (T&E), Verification and Validation (V&V), Cybersecurity Assessments, Data Analytics, and Systems Engineering and Integration (SE&I) services, operating either as an independent assessment team or embedded directly with development teams. GreenDart holds a GSA Multiple Award Schedule contract vehicle and has delivered advanced engineering services to agencies including DHS Customs and Border Protection, the USAF Space and Missile Systems Center, and the DHS Science and Technology Directorate.

WebsitePhone1 office3 projects1 leaders2 credentialsUpdated Jun 2026

Project: DHS Customs and Border Protection T&E Services

Service: Test and EvaluationService: Developmental Testing and AnalysisService: Operational Phase TestingIndustry: DefenseIndustry: AerospaceType: Defense Engineering+25 more

IW Laboratories Inc.

Port Hueneme, CA

People Powering Technology

WebsitePhone1 office2 projectsUpdated Jun 2026

Project: Systems Engineering and Digital Transformation for NSWC PHD (Contract D9109-S16)

Service: Systems EngineeringService: Test and EvaluationService: Automatic Test Equipment (ATE) SolutionsIndustry: DefenseIndustry: FederalType: Defense Engineering+26 more

Ledin Engineering, Inc.

Camarillo, CA

Embedded System Development and Test

WebsitePhone1 officeSize Estimate: 1-5 employeesUpdated Jun 2026

Service detail: Embedded Software Development

Service: Embedded Software DevelopmentService: Hardware-Software System DesignService: Agile Embedded ProgrammingIndustry: DefenseIndustry: SoftwareType: Software Engineering+8 more

Ready 3 LLC

Oklahoma City, OK

Your Success | Our Mission

WebsitePhone12 offices7 projectsUpdated Jun 2026

Project: F-35 Readiness Directorate Support

Service: Sustainment SupportService: Functional & Direct Programmatic SupportService: Product & Life Cycle PlanningIndustry: DefenseIndustry: FederalType: Defense Engineering+33 more

SC Engineers

San Diego, CA

Total building solutions in MEP engineering, commissioning, energy efficiency, and building automation.

WebsitePhone1 office17 projects15 credentialsFounded 2004Updated Jun 2026

Project: Acute Care Pavilion

Service: MEP EngineeringService: Master Planning & ProgrammingService: Facility Condition Assessments & Feasibility StudiesIndustry: HealthcareIndustry: EducationType: MEP+39 more

SETTY

Fairfax, VA

Deliver High Performing Complex Buildings

WebsitePhone10 offices8 projectsFounded 1984Size Estimate: 100-250 employeesUpdated Jun 2026

Project: DCPS: COVID Retrofits / Emergency Indoor Air Quality Retrofits

Service: MEP/FP EngineeringService: Mechanical EngineeringService: GeothermalIndustry: HealthcareIndustry: LaboratoriesType: Automation & Controls+47 more

TM Process & Controls, Inc.

West Sacramento, CA

Design. Innovate. Transform.

WebsitePhone3 offices6 projects2 leadersUpdated Jun 2026

Project: Packaging OT Network Backbone Upgrade

Service: Process EngineeringService: Mechanical Process EngineeringService: Piping & Utility Tie-InsIndustry: Food & BeverageIndustry: ChemicalsType: Process Engineering+39 more

West Yost

Woodland, CA

Advancing Water Resources for Future Generations

WebsitePhone2 offices4 projects1 leaders8 credentialsFounded 1990

Project: Davis-Woodland Water Supply Project

Service: Water ServicesService: Water Master PlanningService: Hydraulic ModelingIndustry: Water SupplyIndustry: GovernmentType: Automation & Controls+48 more