Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

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3D Design & Engineering

Houston, TX

Innovation, Integrity & Quality - All of your A&E, Surveying and Utility Locating needs under one roof.

WebsitePhone1 office4 projects
Service: A&E ServicesService: Site Feasibility StudiesIndustry: Oil & GasType: Architecture & Engineering+32 more

4M Engineering

Specialized civil and structural engineering services for bridges and infrastructure projects.

Website1 projectsUpdated Jun 2026
Service: Temporary Works and Shoring DesignService: Bridge FalseworkIndustry: BridgesType: Civil Engineering+24 more

A&Z Engineering

Fort Wayne, IN

Your Engineering Solutions... Start to Finish.

WebsitePhone2 offices4 leaders
Service: Roadway, Highway, and Intersection ImprovementsService: Construction InspectionIndustry: GovernmentType: Civil Engineering+15 more

A.E. Hodsdon Consulting Engineers

Waterville, ME

Leaders in professional engineering for over 40 years

WebsitePhone1 office1 projects
Service: EngineeringService: Water Systems DesignIndustry: GovernmentType: Civil Engineering+33 more

A2Z Engineering, PLLC

Kalispell, MT

Civil and Structural Engineers Montana

WebsitePhone1 office2 projects
Service: PowerService: Substation DesignIndustry: Electric UtilitiesType: Civil Engineering+21 more

AB Consultants, Inc.

Lanham, MD

Multidisciplinary engineering and support services in the Baltimore-Washington area

WebsitePhone2 offices1 projects
Service: Land PlanningService: Zoning StudiesIndustry: GovernmentType: Civil Engineering+84 more

ABNA Engineering, Inc.

St. Louis, MO

Civil & Structural Engineering, Design Services, General Contracting, and Construction Management

WebsitePhone3 offices4 projects
Service: Civil EngineeringService: Water Resources EngineeringIndustry: InfrastructureType: Civil Engineering+43 more

ADV-SOC, Inc.

San Diego, CA

Mission-Driven.

WebsitePhone1 office9 projects
Service: Environmental ServicesService: Phase I and Phase II Environmental Site AssessmentsIndustry: FederalType: Architecture & Engineering+41 more

AE2S

Bismarck, ND

Empowering People. Enhancing Lives.

Website22 offices6 leadersFounded 1991
Service: Water and Wastewater EngineeringService: WaterIndustry: Automation & ControlsType: Civil Engineering+31 more

AED Energy Services

Wyomissing, PA

Designing America's Energy Lifelines

WebsitePhone4 offices9 leaders
Service: Chemical and Process DesignService: Documentation and AnalysisIndustry: Oil & GasType: Chemical Engineering+66 more

AES Group, Inc.

Parker, CO

Providing Engineering and Architecture Services Since 2002

WebsitePhone1 office4 projects
Service: Civil EngineeringService: Site DesignIndustry: GovernmentType: Architecture & Engineering+40 more

AGS, Inc.

San Francisco, CA

Enhancing communities and the built environment.

WebsitePhone2 offices6 projects
Service: Geotechnical EngineeringService: Site Characterization & Engineering GeologyIndustry: AirportsType: Geotechnical Engineering+42 more

AKH Structural Engineers, Inc.

San Jose, CA

AKH Structural Engineers, Inc. is a structural engineering firm founded in San Jose in 1970, providing structural design, plan check, and analysis services for institutional, commercial, municipal, educational, hospital, and residential clients throughout the greater San Francisco Bay Area. AKH has completed more than 5,500 projects since its founding, including new construction, building evaluations, seismic rehabilitation, and historic preservation work for municipalities, school districts, hospitals, and private clients.

WebsitePhone1 office7 projects
Service: Structural DesignService: Educational facilitiesIndustry: EducationType: Structural Engineering+25 more

AKS Engineering & Forestry

Tualatin, OR

Practical Solutions. Designed to Last.

WebsitePhone1 officeFounded 1996
Service: Civil EngineeringService: Site Design & GradingIndustry: InfrastructureType: Civil Engineering+37 more

AMG, Inc.

Dayton, OH

Industrial Facility Engineering

WebsitePhone1 office12 projects
Service: Process EngineeringService: PFD and P&ID DevelopmentIndustry: ChemicalsType: Automation & Controls+75 more

ANS

Scotch Plains, NJ

Engineering with integrity & purpose.

WebsitePhone1 office7 projects
Service: Civil, Site & Land DevelopmentService: Site Development & PermittingIndustry: Renewable EnergyType: Civil Engineering+59 more

Abonmarche Consultants, Inc.

Many Disciplines One Team

Website2 projects10 credentials2 publications
Service: Civil EngineeringService: Stormwater ManagementIndustry: GovernmentType: Architecture & Engineering+59 more

Advanced Infrastructure Design, Inc.

Hamilton, NJ

Advanced Infrastructure Design, Inc. (AID) is a consulting engineering practice established in 1998. Headquartered in Hamilton, New Jersey, with an office in Philadelphia, Pennsylvania, it is staffed by licensed Professional Engineers, scientists, researchers, and technicians. The practice specializes in transportation infrastructure preservation, deploying advanced non-destructive testing (NDT) technologies to evaluate and design solutions for roads, bridges, tunnels, airports, substructures, foundations, and parking structures. It is led by President Mojgan Mohtashami, PhD, MBA.

Website2 offices1 leadersFounded 1998
Service: Pavement EngineeringService: Comprehensive Non-Destructive Field TestingIndustry: GovernmentType: Civil Engineering+59 more

Aiken Engineering Company

Houston, TX

Aiken Engineering designs and evaluates specialized equipment and components for critical service applications.

WebsitePhone1 officeUpdated Jun 2026
Service: Engineering AnalysisService: Finite Element AnalysisIndustry: Oil & GasType: Mechanical Engineering+17 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
Service: Civil EngineeringService: Site PlanningIndustry: TransportationType: Civil Engineering+39 more

Albert Kahn Associates, Inc.

Detroit, MI

Improving Life Through Design

Website1 office11 projects4 leaders
Service: ArchitectureService: Condition Assessment ReportIndustry: IndustrialType: Architecture & Engineering+44 more

Allen & Hoshall

Memphis, TN

Engineers - Architects - Surveyors

WebsitePhone9 offices7 projects
Service: ArchitectureService: PlanningIndustry: AviationType: Architecture & Engineering+37 more

Allgeier, Martin and Associates, Inc.

Joplin, MO

It's not just business...it's personal.

WebsitePhone6 offices17 projects
Service: Civil EngineeringService: BridgesIndustry: GovernmentType: Civil Engineering+35 more

Alliance Engineers & Project Consultants

Beaumont, TX

Multidisciplined EPCM

WebsitePhone1 office5 projects
Service: Project DevelopmentService: Phased Front-End LoadingIndustry: Carbon CaptureType: Automation & Controls+45 more