Public engineering firm directory

Find engineering consulting firms by capability and location.

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AESUS Design Group, LLC

Tempe, AZ

Integrated Architecture & Engineering

WebsitePhone3 offices12 projects2 leaders1 credentialsFounded 2014

Project: 5th Floor Med-Surg Inpatient Wing Gut & Remodel

Service: ArchitectureService: Architectural Concept DesignService: Design Development DocumentationIndustry: HealthcareIndustry: FederalType: Architecture & Engineering+48 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

Advanced Rotorcraft Technology Inc

Fremont, CA

A Leader in Rotorcraft Simulation

WebsitePhone1 office5 projects21 leadersFounded 1982Size Estimate: 10-49 employees

Project: AVCATT Simulator Model Development

Service: Aircraft Design and AnalysisService: Parametric StudiesService: Performance AnalysisIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+26 more

Aegis

Silver Spring, MD

Keeping Construction Projects on Track

WebsitePhone8 offices5 projects7 leadersFounded 2006Updated Jun 2026

Project: Reagan National Airport

Service: Planning & SchedulingService: CPM Schedule DevelopmentService: Schedule Analytics, Quality Control, and KPI AnalysisIndustry: InfrastructureIndustry: AirportsType: Owner's Engineer+29 more

Alter Engineers

Oakland, CA

Fostering healthy, comfortable, and energy-conscious spaces for the Oakland and Bay Area community.

WebsitePhone1 office4 projectsUpdated Jun 2026

Project: UC Berkeley Hildebrand Hall HVAC Modernization

Service: Mechanical, Plumbing, and Fire Protection EngineeringService: Mechanical and Plumbing Engineer of RecordService: Design Drawing CreationIndustry: EducationIndustry: Research FacilitiesType: Mechanical Engineering+23 more

Argos Engineers

Torrance, CA

We are solution forward.

WebsitePhone1 office5 projectsFounded 2003Updated Jun 2026

Project: Piping Design

Service: Solid MechanicsService: Stress AnalysisService: Fatigue AnalysisIndustry: Oil & GasIndustry: ChemicalsType: Mechanical Engineering+31 more

Astral Engineers P.C.

Rancho Cucamonga, CA

Professional Engineering Services - Mechanical, Electrical, Plumbing, Technology, Fire Protection

WebsitePhone2 offices11 projects3 leaders1 credentials1 publications

Project: Mohs & GI Procedure Room Renovation

Service: Mechanical EngineeringService: Air Handling Unit DesignService: Central Utility PlantsIndustry: HealthcareIndustry: FederalType: MEP+51 more

Black Water Consulting Engineers, Inc.

Modesto, CA

Clean Water Shaping Stronger Communities

Website3 offices5 projects3 leaders1 credentialsFounded 2012Updated Jun 2026

Project: Oakdale Wastewater River Crossing

Service: Drinking Water EngineeringService: Hydraulic ModelingService: Water Treatment Plant DesignIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+26 more

Calichi Design Group

Oakland, CA

Site civil and dry utility engineering, from first feasibility sketch to final inspection.

WebsitePhone4 offices5 projects4 leaders6 credentialsFounded 2009

Project: Fremont High School Net-Zero Campus

Service: Site Civil EngineeringService: Due Diligence Reports & Constraints MapsService: Entitlement Coordination & DesignIndustry: EducationIndustry: Affordable HousingType: Civil Engineering+40 more

Capital Engineering Consultants, Inc.

Sacramento, CA

Bring Life to Buildings

Website5 offices11 projects5 leadersFounded 1947Updated Jun 2026

Project: California State Capitol Annex Replacement

Service: MEP EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: HealthcareIndustry: EducationType: MEP+24 more

Code Consultants Inc

El Segundo, CA

Experts Responsive Solutions

WebsitePhone5 offices1 leaders4 credentialsFounded 1973Updated Jun 2026

Service detail: Fire Protection and Life Safety

Service: Fire Protection and Life SafetyService: Code ConsultationService: Fire and Egress ModelingIndustry: CommercialIndustry: RetailType: Fire Protection Engineering+48 more

CoolSys Energy Design

Princeton, NJ

Engineering Solutions That Power Your Bottom Line.

WebsitePhone3 offices8 projects7 leaders9 credentialsSize Estimate: 100-250 employees

Project: Atrium Palace Condominiums

Service: Mechanical and HVAC EngineeringService: Heating, Ventilation, and Air Conditioning SystemsService: Chiller and Boiler Central PlantsIndustry: CommercialIndustry: RetailType: Automation & Controls+48 more

Creative Aero Engineering Solutions, Inc.

Long Beach, CA

Engineering Solutions with Innovation, Excellence and Affordability

WebsitePhone1 office3 projects1 leaders4 credentials2 publications

Project: Transonic Aeroelastic Prototyping Program

Service: Computational Fluid Dynamics and Heat TransferService: Steady-state and time-accurate CFD analysisService: Structured, unstructured, and overset meshingIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+35 more

Cyra Engineers, Inc.

San Diego, CA

Engineering Performance. Delivering Innovation.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC Design & EngineeringService: Energy Analysis & Sustainability ConsultingIndustry: HealthcareIndustry: CommercialType: MEP+27 more

D4C Product Development Inc.

San Diego, CA

D4C Product Development is a San Diego-based engineering and product development practice that guides hardware products from concept to market. It integrates mechanical, electrical, and software engineering with industrial design, prototyping, and manufacturing support, serving consumer electronics, IoT devices, environmental technology, and public safety markets.

WebsitePhone1 office13 projectsUpdated Jun 2026

Project: Big Dipper Point of Sale

Service: Design & Research StrategyService: Product Requirements DefinitionService: Concept Development & Product ArchitectureIndustry: ElectronicsIndustry: Consumer ProductsType: Mechanical Engineering+36 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

Design Visionaries

San Jose, CA

Innovate Transformatively

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: CAD Training

Service: CAD TrainingService: Onsite CAD TrainingService: Online CAD TrainingIndustry: AerospaceIndustry: AutomotiveType: Mechanical Engineering+20 more

E3R Inc

San Diego, CA

Exceptional Employees for Exceptional Results

WebsitePhone1 office4 leaders3 credentialsFounded 2011Size Estimate: 1-25 employees

Service detail: Program Management

Service: Program ManagementService: Cost, schedule, performance, and risk managementService: Acquisition document preparation and complianceIndustry: DefenseIndustry: GovernmentType: Defense Engineering+20 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

GFT Infrastructure, Inc.

Chicago, IL

Ingenuity That Shapes Lives

WebsitePhone12 offices10 projects10 leaders8 credentials3 publications

Project: O'Hare International Airport Terminal 5 Expansion

Service: Transportation EngineeringService: Roadway Planning and EngineeringService: High-Availability Transit FacilitiesIndustry: TransportationIndustry: BridgesType: Architecture & Engineering+43 more

GRAKEN Corporation

Gardena, CA

Results Driven Engineering

WebsitePhone2 offices2 credentialsFounded 2005Size Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Engineering & Design

Service: Engineering & DesignService: 3D CAD ModelingService: Design ExpertiseIndustry: AerospaceIndustry: DefenseType: Mechanical Engineering+19 more

Gayner Engineers

San Francisco, CA

Innovative mechanical, electrical, plumbing, and fire protection engineering services

WebsitePhone1 office14 projects5 leadersFounded 1941Updated Jun 2026

Project: Stanford Shriram Bioengineering and Chemical Engineering Center

Service: Mechanical EngineeringService: Electrical EngineeringService: Lighting DesignIndustry: Research FacilitiesIndustry: LaboratoriesType: Mechanical Engineering+15 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

Hummingbird Aero LLC

Irvine, CA

Safety-critical flight control and vehicle systems engineering for aerospace and defense

WebsitePhone1 office4 projects1 leadersUpdated Jun 2026

Project: eVTOL Flight Control System Design and Development

Service: Aircraft Actuation SystemsService: Electro-Mechanical ActuationService: Electro-Hydrostatic ActuationIndustry: AerospaceIndustry: AviationType: Aerospace Engineering+19 more