Public engineering firm directory

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A.S. Engineering Services

New York, NY

Structural Engineering & Design

WebsitePhone3 offices6 projects1 leaders2 credentialsUpdated Jun 2026

Project: Nightingale School

Service: Structural EngineeringService: Residential Structural EngineeringService: Commercial Structural EngineeringIndustry: CommercialIndustry: ResidentialType: Structural Engineering+6 more

Alan Margolin & Associates Consulting Engineers and Architects, D.P.C.

New York, NY

Safety Focused Engineers

WebsitePhone5 offices2 leaders4 credentialsUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Structural DesignService: Structural InspectionIndustry: CommercialIndustry: IndustrialType: Architecture & Engineering+30 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

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

CSA Group

San Juan, PR

Full-Service Project Delivery and Program Management

WebsitePhone8 offices5 projects5 leaders4 credentialsSize Estimate: 50-199 employees

Project: PR-52 Congestion Management Project

Service: Program & Construction ManagementService: Program ManagementService: Construction ManagementIndustry: AirportsIndustry: CommercialType: Architecture & Engineering+37 more

CXT Engineering

New York, NY

Critical infrastructure commissioning, electrical testing, and facility operations support.

WebsitePhone1 office1 leadersFounded 2019Updated Jun 2026

Service detail: Commissioning

Service: CommissioningService: Critical Systems Commissioning (Levels 1-5)Service: Retro-CommissioningIndustry: Data CentersIndustry: Mission Critical FacilitiesType: Electrical Engineering+44 more

City and Sea Group LLC (CAS Group)

The Woodlands, TX

From concept to completion, CAS Group is your trusted partner for successful project delivery.

WebsitePhone2 offices3 projects3 leaders1 credentialsFounded 2010

Project: Small-Scale LNG Facility

Service: Advisory ServicesService: Investment Opportunities Advisory & Due DiligenceService: Project Development Advisory ServicesIndustry: MarineIndustry: Ports & HarborsType: Civil Engineering+44 more

Cliff Nudi Engineering PLLC

New York, NY

Smart, Sustainable, and Value-Added Engineering Services

Website2 offices1 leadersSize Estimate: 1-24 employeesUpdated Jun 2026

Service detail: Mechanical, Electrical, & Plumbing (MEP) Services

Service: Mechanical, Electrical, & Plumbing (MEP) ServicesService: HVAC Systems DesignService: Electrical, Power Distribution, and Lighting Systems DesignIndustry: ResidentialIndustry: CommercialType: Mechanical Engineering+38 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

Concord Engineering Group Inc

Voorhees, NJ

Building Your Tomorrow!

WebsitePhone3 offices5 projects10 leaders1 credentialsFounded 1989

Project: Mount Airy Casino Resort

Service: Commercial & MEP/FP EngineeringService: Mechanical and HVACService: Electrical EngineeringIndustry: CommercialIndustry: Multifamily ResidentialType: MEP+37 more

DCI Engineers

Seattle, WA

Service. Innovation. Value.

WebsitePhone22 offices1 projects4 leadersFounded 1988Size Estimate: 350+ employees

Project: The Artise

Service: Structural EngineeringService: High-rise and performance-based designService: Seismic and adaptive renovationIndustry: CommercialIndustry: Multifamily ResidentialType: Structural Engineering+36 more

DeSimone Consulting Engineering

New York, NY

Bridging science and humanity

Website11 offices1 projects3 leaders10 credentialsFounded 1969Updated Jun 2026

Project: Terminal Warehouse

Service: Structural DesignService: Facade and Building EnvelopeService: RestorationIndustry: AviationIndustry: TransportationType: Structural Engineering+23 more

DeSimone Consulting Engineering

New York, NY

Bridging Science and Humanity

Website2 offices2 projects5 leaders2 credentialsSize Estimate: 100-500 employeesUpdated Jun 2026

Project: Terminal Warehouse

Service: Structural DesignService: Mass Timber EngineeringService: Wind and Vibration EngineeringIndustry: AviationIndustry: TransportationType: Structural Engineering+28 more

EJZ Engineering, PLLC

New York, NY

MEP Design Engineers Specializing in Achieving Excellence

WebsitePhone1 office1 leaders1 credentialsSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Lighting designService: Power distribution designIndustry: ResidentialIndustry: CommercialType: MEP+41 more

EN-POWER GROUP

New York, NY

Custom Solutions for Your Building's Complex Energy Needs

WebsitePhone2 offices7 projects14 leaders15 credentialsFounded 2003

Project: YMCA Lighting Upgrades

Service: Engineering Design & ConstructionService: Mechanical SystemsService: ElectrificationIndustry: CommercialIndustry: Data CentersType: Environmental Engineering+35 more

ESPL Environmental Consultants Corp.

New York, NY

Professional environmental compliance, permitting, and remediation services

WebsitePhone1 officeUpdated Jun 2026

Service detail: Environmental Compliance

Service: Environmental ComplianceService: Environmental Compliance AuditingService: Environmental TestingIndustry: Environmental & RemediationIndustry: IndustrialType: Environmental Engineering+10 more

Eastern Engineering Solution, PLLC

New York, NY

Leaders in Decarbonization Design, Engineering, and Construction Consulting Services

WebsitePhone1 office3 projectsFounded 2013Updated Jun 2026

Project: 104-20 Dunkirk St

Service: MEP and Building Systems EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: CommercialIndustry: Multifamily ResidentialType: Environmental Engineering+25 more

Excelsior Engineering & Land Surveying P.C.

New York, NY

Providing Premier Engineering Throughout the Tri-State Area and Florida

Website1 office2 projects1 leadersUpdated Jun 2026

Project: 95th Street Shellbank Basin Infrastructure Improvements

Service: Construction ManagementService: Resident Engineering InspectionService: Construction InspectionIndustry: InfrastructureIndustry: Highways & RoadsType: Civil Engineering+42 more

GZA GeoEnvironmental, Inc.

Norwood, MA

Solving Complex Challenges in Natural and Built Environments

WebsitePhone35 offices4 projectsSize Estimate: 800 employeesUpdated Jun 2026

Project: Upper Roberts Meadow Reservoir Dam Breach and Stream Restoration Project

Service: Geotechnical EngineeringService: Environmental Site Investigation and RemediationService: Environmental Site InvestigationIndustry: AgricultureIndustry: IndustrialType: Geotechnical Engineering+29 more

Gilsanz Murray Steficek LLP

New York, NY

Structural Engineering and Building Envelope Solutions

WebsitePhone4 offices5 projectsUpdated Jun 2026

Project: Roku Office Fit-Out, 5 Times Square

Service: Structural EngineeringService: ConcreteService: SteelIndustry: CommercialIndustry: RetailType: Structural Engineering+27 more

Helios Electric LLC

Washington, DC

Tailored Solutions for Complex Electrical Engineering and Construction Needs

Website4 officesUpdated Jun 2026

Service detail: Electrical Design Services

Service: Electrical Design ServicesService: Transmission & DistributionService: Railway ElectrificationIndustry: IndustrialIndustry: UtilitiesType: Electrical Engineering+18 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

IMDC, Inc.

Orlando, FL

Quality delivery of multidisciplinary engineering, construction management, and facility support services

WebsitePhone7 offices5 projects1 credentialsFounded 1983Updated Jun 2026

Project: NASA Testing Facility and Shelter Platform Design

Service: Engineering ServicesService: Electrical Systems DesignService: Mechanical and Piping DesignIndustry: CommercialIndustry: IndustrialType: Architecture & Engineering+35 more

INF Associates LLC

New York, NY

Turnkey energy solutions for the decarbonization of buildings and transportation

WebsitePhone4 offices3 credentialsUpdated Jun 2026

Service detail: Engineering Services

Service: Engineering ServicesService: On-Site Energy ManagementService: Energy Studies and AuditsIndustry: CommercialIndustry: IndustrialType: Electrical Engineering+27 more