Public engineering firm directory

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AEi Systems, Inc.

Centennial, CO

Analytical HEAVY Lifting

WebsitePhone2 offices9 publicationsFounded 1995Size Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Worst-Case Circuit Analysis (WCCA)

Service: Worst-Case Circuit Analysis (WCCA)Service: Pre-WCCA design review and assessmentService: WCCA document reviewIndustry: ElectronicsIndustry: SpaceType: Electrical Engineering+38 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

Cosentini Associates

New York, NY

Future-focused, cost-effective engineering solutions for building systems.

WebsitePhone12 offices6 projects16 leaders4 credentialsFounded 1952

Project: The Solaire

Service: MEP EngineeringService: Mechanical/HVAC EngineeringService: Electrical EngineeringIndustry: CommercialIndustry: Mixed-UseType: MEP+24 more

Difftronic, LLC

Los Angeles, CA

Embedded Hardware Design Services

Website1 officeUpdated Jun 2026

Service detail: Embedded Hardware Design

Service: Embedded Hardware DesignService: Harness DesignService: Test Equipment DevelopmentIndustry: ElectronicsIndustry: TelecommunicationsType: Electrical Engineering+10 more

Faith Group

St. Louis, MO

Delivering innovative solutions for clients around the world.

WebsitePhone6 offices9 leadersUpdated Jun 2026

Service detail: Information and Communications Technology

Service: SecurityService: Information and Communications TechnologyService: AudiovisualIndustry: AviationIndustry: CommercialType: Fire Protection Engineering+16 more

Henderson Engineers

Lenexa, KS

Henderson Engineers is a national building systems engineering design and facility consulting firm headquartered in Lenexa, Kansas, with 15 offices across the United States. Its team of more than 1,000 engineers provides mechanical, electrical, plumbing, fire and life safety, refrigeration, telecommunications, security, acoustics, and commissioning services for retail, healthcare, commercial, grocery and distribution, sports venue, and data center markets.

Website15 offices4 leaders2 credentials2 publicationsSize Estimate: 1,000 employeesUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC SystemsService: Air DistributionIndustry: CommercialIndustry: RetailType: MEP+29 more

Justice Engineering Corp.

Los Angeles, CA

Communications - Security - Fire Alarm

Website1 office12 projectsFounded 2000Updated Jun 2026

Project: Sacramento County Security Systems Upgrade

Service: Security Systems EngineeringService: PLC-based locking and gate controlsService: Touchscreen security control systemsIndustry: Justice & CorrectionsIndustry: Public SafetyType: Architecture & Engineering+31 more

Metro Power Engineers, Inc.

Bay Area, CA

Specializing in mechanical, electrical and plumbing engineering services since 2005.

Website2 offices8 projects1 leadersFounded 2005Updated Jun 2026

Project: Sun Microsystem Facility (PALO1)

Service: Electrical EngineeringService: Lighting Analysis and DesignService: Power System Analysis and DistributionIndustry: CommercialIndustry: ResidentialType: MEP+22 more

NBA Engineering, Inc.

San Francisco, CA

Designing Engineering Solutions for Tomorrow

WebsitePhone3 offices5 projects1 leaders2 credentialsFounded 1994

Project: BART Transit System

Service: Mechanical EngineeringService: HVAC DesignService: Central Plant DesignIndustry: TransportationIndustry: TransitType: MEP+51 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

PAE Consulting Engineers, Inc.

Portland, OR

Engineering that matters

Website11 offices6 projects3 credentialsUpdated Jun 2026

Project: PAE Living Building

Service: Mechanical EngineeringService: Electrical EngineeringService: Plumbing EngineeringIndustry: HealthcareIndustry: EducationType: MEP+22 more

Syska Hennessy Group

Atlanta, GA

Engineering the Amazing

WebsitePhone21 offices7 projects10 leaders1 credentials2 publications

Project: Mount Sinai Behavioral Health Center

Service: MEP EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: AviationIndustry: Power GenerationType: Automation & Controls+39 more

TLC Engineering Solutions

Sandy Springs, GA

Think. Listen. Create.

Website23 offices10 projectsFounded 1955Updated Jun 2026

Project: Tampa International Airport Curbside Expansion and Central Utility Plant

Service: Mechanical, Electrical, Plumbing (MEP)Service: Comprehensive Building Systems Engineering HeatingService: VentilationIndustry: HealthcareIndustry: AviationType: MEP+51 more

TLC Engineering, Inc.

Houston, TX

TLC Engineering, Inc. is a Houston-based practice providing multi-disciplinary engineering, environmental planning, construction management, and disaster recovery services. Established in 1994, it serves public, private, and municipal clients across Texas, the Gulf Coast, and national markets. It delivers turnkey services from conceptual design through facilities commissioning, with deep experience in infrastructure projects, pipeline design, and FEMA disaster recovery assistance.

WebsitePhone6 offices10 projects9 leadersFounded 1994Size Estimate: 1-50 employees

Project: Hurricane Harvey - City of La Marque Recovery

Service: EngineeringService: Structural Seismic Analysis and DesignService: Architectural Engineering and PlanningIndustry: GovernmentIndustry: Oil & GasType: Architecture & Engineering+41 more

United ECM

Sacramento, CA

United ECM specializes in the technical delivery oversight of major high-speed and electrified transit systems. The practice serves as owner's engineer, contractor's partner, construction manager, and program manager for rail electrification, traction power, and systems integration projects across the United States. Its in-house design team provides final engineering design, traction power load-flow simulations, and 3D BIM virtual reality models, drawing on experience from major programs including California High-Speed Rail and the Caltrain Peninsula Corridor Electrification Project.

WebsitePhone5 offices8 projects10 leaders2 credentialsSize Estimate: 1-25 employees

Project: Metro Purple Line Extension Section 3 Stations Design-Build

Service: Program and Project ManagementService: Comprehensive project planning and schedulingService: Budget management and cost controlIndustry: RailIndustry: TransitType: Owner's Engineer+31 more