Public engineering firm directory

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3Vi, Inc.

San Ramon, CA

Engineering Excellence for a Sustainable Future

WebsitePhone3 offices1 leadersUpdated Jun 2026

Service detail: Systems Engineering & Integration

Service: Systems Engineering & IntegrationService: SCADA and Control SystemsService: Communications SystemsIndustry: TransitIndustry: RailType: Electrical Engineering+18 more

AE2S

Bismarck, ND

Empowering People. Enhancing Lives.

Website22 offices6 leadersFounded 1991Updated Jun 2026

Service detail: Water and Wastewater Engineering

Service: Water and Wastewater EngineeringService: WaterService: WastewaterIndustry: Automation & ControlsIndustry: Environmental & RemediationType: Civil Engineering+29 more

ALRA Engineers, P.C.

We keep you moving forward by always looking ahead.

Website17 projects7 leadersUpdated Jun 2026

Project: On-Call Construction Management Agreement: Roadway Pavement Reconstruction

Service: Engineering ConsultingService: Provides Consulting Services For CivilService: ElectricalIndustry: BridgesIndustry: Highways & RoadsType: Civil Engineering+40 more

Aillet, Fenner, Jolly & McClelland, Inc.

AFJMc is a consulting engineering firm with more than 55 years of experience delivering civil, structural, mechanical, electrical, and transportation engineering services. Its portfolio includes roadways, bridges, utility and site design, industrial process systems, higher education facilities, healthcare facilities, government buildings, sports and recreation facilities, and commercial projects.

Website3 projectsUpdated Jun 2026

Project: Jimmie Davis Bridge (LA 511) Replace/Rehab

Service: Civil EngineeringService: Site PlanningService: Stormwater ManagementIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+37 more

Astute Engineering, PLLC

Vienna, VA

Astute Engineering, PLLC delivers comprehensive electrical engineering, power distribution design, system studies, and field services. Operating across Virginia, Maryland, Washington DC, and surrounding regions, the practice supports projects from initial feasibility and schematic phases through final installation, testing, commissioning, and commercial operations.

Website1 office1 projects3 leadersUpdated Jun 2026

Project: DC Water Blue Plains Wastewater Treatment Plant

Service: Electrical EngineeringService: Schematic and Concept DesignService: Installation and Erection SupportIndustry: TransportationIndustry: RailType: Electrical Engineering+18 more

Auriga Corporation

Milpitas, CA

Auriga Corporation is a privately held engineering consulting firm established in 1990 and headquartered in Milpitas, California. For over 30 years Auriga has served rail and transit agencies, municipal utilities, the United States federal government, state and local governments, and international organizations across project management, electrical engineering, systems engineering, fare and payment collection, and information technology. Its ISO 9001-compliant project managers and consultants average more than 20 years of experience in their respective disciplines.

WebsitePhone1 office4 projects1 credentialsFounded 1990Updated Jun 2026

Project: SFMTA Twin Peaks Tunnel Trackway Improvement Project - Cost and Schedule

Service: Project ManagementService: Project Oversight and CoordinationService: Independent Verification and ValidationIndustry: TransitIndustry: RailType: Electrical Engineering+18 more

Bruner, Cooper & Zuck, Inc.

Galesburg, IL

Engineers, Architects & Land Surveyors

WebsitePhone3 offices6 projects2 credentialsUpdated Jun 2026

Project: Cardinal Point Wind Farm

Service: Engineering and ArchitectureService: Civil EngineeringService: Structural EngineeringIndustry: CommercialIndustry: RetailType: Architecture & Engineering+36 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

Delta Engineering Group, LLC

Chicago, IL

Engineering a Better Tomorrow

WebsitePhone1 office4 projects8 credentialsFounded 1987Updated Jun 2026

Project: Metra Consolidated Control Facility

Service: Civil EngineeringService: Roads and StreetsService: FreewaysIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+50 more

ELECSYS Engineering Group

Valhalla, NY

End-to-End Engineering Solutions for Public Infrastructure and the Built Environment

WebsitePhone2 offices12 projects2 leadersFounded 2017Size Estimate: 1-50 employees

Project: Grand Central Madison East Side Access

Service: Electrical EngineeringService: Medium- and Low-Voltage Power DistributionService: Lighting DesignIndustry: CommercialIndustry: RetailType: MEP+58 more

Enterprise Engineering Inc

Anchorage, AK

Your Engineering Partner

WebsitePhone5 offices5 projects9 leaders2 credentialsUpdated Jun 2026

Project: Trailside Heights Affordable Housing Development

Service: Civil EngineeringService: Site Planning and DesignService: Electrical EngineeringIndustry: DefenseIndustry: AviationType: Civil Engineering+21 more

FiveTwo Engineering Services LLC

Building a better world, one project at a time

WebsiteUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Provides Structural DesignService: Structural Analysis Services For BuildingsIndustry: AirportsIndustry: Power GenerationType: Structural Engineering+19 more

I.A Engineering, P.C.

Long Island City, NY

Infrastructure. Technology. Together.

WebsitePhone2 offices5 projects1 leadersSize Estimate: 1-25 employeesUpdated Jun 2026

Project: MTA NYCT Accessibility Upgrades at Eight Stations

Service: Systems and Technology EngineeringService: Communications and Security SystemsService: ITS, Networking, and ITIndustry: RailIndustry: TransitType: Civil Engineering+30 more

Kleinfelder

San Diego, CA

Bright People. Right Solutions.

Website1 officeFounded 1961Updated Jun 2026

Service detail: Geotechnical

Service: EnvironmentalService: GeotechnicalService: Tailings Facility DesignIndustry: AviationIndustry: CommercialType: Automation & Controls+57 more

Lanier & Associates Consulting Engineers, Inc.

New Orleans, LA

Excellence by Design

WebsitePhone5 officesFounded 1974Updated Jun 2026

Service detail: Civil and Structural Engineering

Service: Civil and Structural EngineeringService: Heavy Haul DesignService: Rail TerminalsIndustry: MarineIndustry: Oil & GasType: Automation & Controls+34 more

Martin Data Solutions LLC

York, PA

Engineering the New Standard.

WebsitePhone1 office12 projectsUpdated Jun 2026

Project: Reagan National Airport - New Security Checkpoints

Service: Mechanical EngineeringService: Facility Evaluations and AssessmentsService: Building Energy ModelingIndustry: GovernmentIndustry: DefenseType: MEP+54 more

Millcreek Engineering Co.

Salt Lake City, UT

Rendering to Reality

WebsitePhone2 officesSize Estimate: 20-100 employeesUpdated Jun 2026

Service detail: Full-Service EPC

Service: Full-Service EPCService: EngineeringService: ProcurementIndustry: MiningIndustry: Aggregates & QuarryingType: Process Engineering+27 more

Nebula Engineering P.C.

New York, NY

Nebula Engineering P.C. is an electrical engineering consulting firm founded in New York, specializing in traction power systems and electrical design for public transit agencies and transportation authorities. Its engineers have experience with agencies including MBTA, SEPTA, DART, RTD, and VRE, and have collaborated with departments of transportation and developers on public and private development projects across the northeastern United States and nationwide.

Website1 officeUpdated Jun 2026

Service detail: Traction Power Engineering

Service: Traction Power EngineeringService: AC/DC Traction Power Substation DesignService: Contact Rail (3rd Rail) System DesignIndustry: TransitIndustry: RailType: Electrical Engineering+11 more

Olsson

Lincoln, NE

Engineering trust.

Website10 offices5 projects10 leaders16 credentials2 publicationsFounded 1956

Project: Baylor Scott & White Medical Center and Clinic in Pflugerville

Service: Civil & Site EngineeringService: Site Design and DevelopmentService: Land SurveyingIndustry: CommercialIndustry: ResidentialType: Civil Engineering+39 more

PGH Wong Engineering, Inc.

San Francisco, CA

Engineering, architecture, and construction management consulting for major transit and infrastructure programs

WebsitePhone1 office8 projects1 leaders8 credentialsFounded 1985

Project: SFO West Field Garage Project

Service: Systems EngineeringService: Traction Power Systems DesignService: Train Control and SignalingIndustry: TransitIndustry: RailType: Civil Engineering+34 more

Pennoni

Philadelphia, PA

Partners for What's Possible

Website1 office5 projects6 leaders6 credentials2 publicationsFounded 1966

Project: I-95 Central Access Philadelphia (CAP)

Service: Civil/SiteService: Site Planning & Land DevelopmentService: Permitting & EntitlementIndustry: CommercialIndustry: RetailType: Civil Engineering+136 more

RZ Design Associates, Inc.

Glastonbury, CT

RZ Design Associates, now a GM2 company (RZ/GM2) following acquisition by GM2 Associates, Inc. in spring 2024, is a multi-disciplined consulting engineering firm providing design services for MEP systems, structural engineering, power, lighting, and telecommunications. It serves the education, healthcare, government, commercial, retail, hospitality, rail, and aviation markets from 12 offices along the east coast, south, midwest, and west, headquartered in Glastonbury, CT.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Heating and Air Conditioning DesignService: Ventilation DesignIndustry: EducationIndustry: HealthcareType: MEP+16 more

Robinson Aerial Surveys, Inc.

Robinson Aerial Surveys, Inc. (RAS) is a comprehensive aerial mapping and engineering services firm that has provided professional services since 1936. RAS operates its own photographic laboratory, digital and analytical mapping systems, and CADD platform as a fully integrated mapping facility. Robinson Aerial Surveys, Inc. delivers aerial photography, photogrammetric mapping, MEP engineering design, and construction management services across sectors including aviation, rail, bridges, landfills, federal facilities, municipalities, utilities, and energy.

WebsiteFounded 1936Updated Jun 2026

Service detail: Aerial Photography and Mapping

Service: Aerial Photography and MappingService: MEP EngineeringService: HVAC DesignIndustry: AviationIndustry: BridgesType: Land Surveying+10 more

STV Group, Inc.

New York, NY

Making Communities Better

Website1 office11 projects3 leaders1 credentials3 publicationsSize Estimate: 1,000+ employees

Project: Second Avenue Subway Phase II

Service: AdvisoryService: Digital AdvisoryService: Economic AnalysisIndustry: RailIndustry: TransitType: Architecture & Engineering+91 more