Public engineering firm directory

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AED Energy Services

Wyomissing, PA

Designing America's Energy Lifelines

WebsitePhone4 offices9 leaders4 credentialsFounded 1989Updated Jun 2026

Service detail: Chemical and Process Design

Service: Chemical and Process DesignService: Documentation and AnalysisService: Specialized CalculationsIndustry: Oil & GasIndustry: PetrochemicalType: Chemical Engineering+64 more

Advantage Engineering Associates, P.C.

Cranbury, NJ

Engineering design, construction support and construction inspection services for transportation infrastructure

WebsitePhone2 offices8 projects10 leadersFounded 2004Size Estimate: 70-249 employees

Project: Route 440 Ramp Over Route 35 Bridge Deck Replacement

Service: Transportation EngineeringService: Highway and Traffic EngineeringService: Intelligent Transportation Systems (ITS) EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+26 more

Alliant Engineering, Inc.

Alliant Engineering, Inc. Alliant blends project delivery excellence with a passion for innovation, managing projects from inception to completion with national expertise and deep local knowledge. Alliant's diverse team of engineers, landscape architects, planners, construction managers, environmental specialists, and surveyors brings multi-disciplinary collaboration to complex public infrastructure and private development projects.

Website8 leadersFounded 1995Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Transportation Planning & DesignService: Roadway DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+17 more

Alpha Sieger Engineering Services

Gaithersburg, MD

Expert Transportation Engineering & Construction Management Services

WebsitePhone1 office2 projects1 leadersFounded 2014Updated Jun 2026

Project: DDOT Federal-Aid Citywide Pavement Restoration IDIQ Contract

Service: Transportation, Traffic, and Safety StudiesService: Vision Zero StudiesService: Highway Safety Improvement Program (HSIP) StudiesIndustry: Highways & RoadsIndustry: TransportationType: Transportation Engineering+11 more

Anthem Consulting Engineers, PLLC

Orlando, FL

Safety focused. Mobility Driven.

Website1 office4 leaders2 credentialsFounded 2021Size Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Roadway Design

Service: Roadway DesignService: Minor highway design (FDOT Work Group 3.1)Service: Major highway design (FDOT Work Group 3.2)Industry: Highways & RoadsIndustry: TransportationType: Transportation Engineering+72 more

Austin Tsutsumi & Associates, Inc.

Honolulu, HI

Making Change Possible

WebsitePhone2 offices7 leaders5 credentialsFounded 1934Size Estimate: 50-99 employees

Service detail: Civil Engineering

Service: Civil EngineeringService: Land DevelopmentService: Public WorksIndustry: Land DevelopmentIndustry: TransportationType: Civil Engineering+26 more

BGE, Inc.

Houston, TX

Serving. Leading. Solving.â„¢

Website2 offices9 projects15 leaders4 credentialsFounded 1975Updated Jun 2026

Project: IH-35 Waco 4B

Service: Construction ManagementService: Contractor & Subcontractor ManagementService: Field InspectionsIndustry: CommercialIndustry: GovernmentType: Civil Engineering+61 more

Brudis & Associates, Inc.

Columbia, MD

Innovative, high quality, and responsive engineering solutions

WebsitePhone4 offices8 projects4 leaders6 credentialsFounded 1992

Project: MD 180 / MD 351 Highway Improvements

Service: Highway & PlanningService: Roadway Geometrics, Widening, Reconstruction & ImprovementsService: Streetscape DesignIndustry: GovernmentIndustry: FederalType: Civil Engineering+70 more

CHA Consulting, Inc.

Albany, NY

Creating solutions. Helping people. Improving our world.

Website2 offices4 projects10 leaders5 credentialsFounded 1952Size Estimate: 2,100+ employees

Project: I-91 Interchange 29 Flyover Bridge and Charter Oak Bridge

Service: Transportation SolutionsService: Bridge design, analysis, and reconstructionService: Highway and roadway designIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+96 more

CHA Consulting, Inc.

Albany, NY

Finding a better way.

Website1 office10 leaders3 credentialsFounded 1952Size Estimate: 2,100 employeesUpdated Jun 2026

Service detail: Transportation Solutions

Service: Transportation SolutionsService: Accelerated Bridge Construction (ABC) Design & ConsultingService: Bridge Design & AnalysisIndustry: TransportationIndustry: Highways & RoadsType: Architecture & Engineering+182 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

Concord Engineering, Inc.

Bellevue, WA

Planning + Operations + Design

WebsitePhone2 offices12 projectsSize Estimate: 1-25 employeesUpdated Jun 2026

Project: Seattle Multimodal Terminal at Colman Dock

Service: Transportation PlanningService: Transit Planning & OperationsService: Corridor StudiesIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+37 more

Consensus Systems Technologies Corporation

New York, NY

A leader in applying systems engineering to Intelligent Transportation Systems (ITS)

WebsitePhone1 office8 projects10 leaders3 credentialsFounded 2001

Project: New York Statewide ITS Architecture

Service: Systems EngineeringService: Systems Engineering AnalysisService: Procurement Document PreparationIndustry: TransportationIndustry: GovernmentType: Transportation Engineering+15 more

DMD & Associates

DMD & Associates is a consulting engineering firm providing electrical, lighting, ITS, and utility-related engineering services to municipalities, government agencies, owners, developers, and contractors. It specializes in roadway lighting design, traffic signals, intelligent transportation systems, and utility/power engineering. DMD operates as a sub-consultant to architectural and civil engineering firms as well as under direct client contracts, with primary practice in western Canada and the Western United States.

Website2 credentialsUpdated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Roadway & Street Lighting DesignService: LED Lighting ConversionsIndustry: TransportationIndustry: GovernmentType: Electrical Engineering+8 more

Delion Consulting LLC

Revolutionizing Mobility

Website7 projects1 leaders7 credentials1 publicationsSize Estimate: 1-5 employeesUpdated Jun 2026

Project: Maryland Connected and Automated Vehicle Strategic Framework

Service: PlanningService: Pre-PlanningService: Technical ProductsIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+9 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

Eisman & Russo, Inc.

Jacksonville, FL

Where Commitment and Action Meet

WebsitePhone1 office5 projects8 leaders32 credentialsFounded 1985

Project: I-95/I-10 Interchange and Fuller Warren Bridge Widening

Service: Highway EngineeringService: Roadway DesignService: Traffic Analysis and PlanningIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+36 more

Felsburg Holt & Ullevig

Connecting and Enhancing Communities

Website4 projects4 leaders1 credentialsFounded 1984Size Estimate: 200-400 employeesUpdated Jun 2026

Project: Transforming 30th Street at Garden of the Gods

Service: Transportation PlanningService: Multimodal PlanningService: Transit Planning & DesignIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+38 more

Florida Transportation Engineering, Inc.

Punta Gorda, FL

Engineering for a World in Motion

WebsitePhone4 officesFounded 1989Size Estimate: 40-60 employeesUpdated Jun 2026

Service detail: Highway Design

Service: Highway DesignService: Minor Highway DesignService: Major Highway DesignIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+25 more

Fuhrmann Engineering Inc.

Springfield, IL

Providing timely, cost-effective, sustainable engineering solutions through long-term relationships

WebsitePhone4 offices1 credentialsUpdated Jun 2026

Service detail: Bridge Engineering

Service: Bridge EngineeringService: Bridge design (new construction and retrofit)Service: NBIS and element-level bridge inspectionIndustry: BridgesIndustry: Highways & RoadsType: Transportation Engineering+36 more

Gedeon GRC Consulting

Syosset, NY

Engineering & Construction leaders with a robotics advantage

WebsitePhone5 offices11 leaders1 credentialsUpdated Jun 2026

Service detail: Civil / Site Engineering

Service: Civil / Site EngineeringService: Highway and Roadway DesignService: Grading and Drainage DesignIndustry: Arts & CultureIndustry: AviationType: Civil Engineering+46 more

Gress Consultancy, LLC

Wetumpka, AL

Stepping Forward with Purpose

WebsitePhone1 officeUpdated Jun 2026

Service detail: Traffic Engineering

Service: Traffic EngineeringService: Traffic Signal Warrant AnalysisService: Traffic Volume CountsIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+35 more

Hubbell, Roth & Clark, Inc.

Bloomfield Hills, MI

Consulting Engineers Since 1915

WebsitePhone3 offices7 projects2 credentialsFounded 1915Size Estimate: 200-500 employees

Project: Clinton River Spillway Intercounty Drain

Service: Municipal / Civil EngineeringService: Municipal ConsultingService: Easement ServicesIndustry: GovernmentIndustry: IndustrialType: Civil Engineering+39 more

INFOTRAN Engineers & Architects, PC

New York, NY

We build for the benefit of all

WebsitePhone2 offices3 projects1 leaders2 credentialsFounded 2007

Project: Culver Line CBTC System

Service: Traffic Engineering & Transportation PlanningService: Traffic Data Collection & AnalysisService: Road Safety Audits & ReviewsIndustry: BridgesIndustry: Highways & RoadsType: Architecture & Engineering+47 more