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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2IM Group, LLC

Chicago, IL

2IM Group, LLC is a Chicago-based civil, environmental, and transportation engineering practice. Now part of MacKay, it continues to deliver technical solutions across highways, roads, streets, aviation, rail, transit, utilities, and stormwater management systems while offering expanded resources and broader geographic reach.

WebsitePhone1 office5 projects
Service: Highways, Roads, and StreetsService: Roadway geometryIndustry: TransportationType: Civil Engineering+31 more

3Vi, Inc.

San Ramon, CA

Engineering Excellence for a Sustainable Future

WebsitePhone3 offices1 leaders
Service: Systems Engineering & IntegrationService: SCADA and Control SystemsIndustry: TransitType: Electrical Engineering+20 more

50 States Engineering Corp.

Hackensack, NJ

Benefit from an innovative and diverse range of surveying and engineering experience.

WebsitePhone1 office7 projects
Service: Land SurveyingService: Construction layout and stakeoutIndustry: TransitType: Civil Engineering+30 more

A. G. Consulting Engineering, PC

New York, NY

A. G. Consulting Engineering, PC is an established MEP and construction management consulting practice. It offers mechanical, electrical, plumbing, fire protection, fire engineering, LEED consulting, special inspection, and construction management services for infrastructure, institutional, and public works projects.

WebsitePhone5 offices8 projects
Service: MEP EngineeringService: Mechanical and HVAC Systems DesignIndustry: TransitType: MEP+19 more

A1 Consulting Group, Inc.

Raleigh-Durham, NC

Leaders in Design, Construction, and Environmental Services

WebsitePhone1 office8 projects
Service: Engineering and Design ServicesService: Geotechnical and Geological EngineeringIndustry: AirportsType: Civil Engineering+43 more

AE2S

Bismarck, ND

Empowering People. Enhancing Lives.

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

AEIS

South Plainfield, NJ

Helping Build a Safer Infrastructure

WebsitePhone2 offices4 projects
Service: Construction Quality AssuranceService: Special and Critical InspectionsIndustry: AviationType: Materials Testing+17 more

AENY Engineering P.C.

Northport, NY

Cost Effective Engineering

WebsitePhone2 officesUpdated Jun 2026
Service: Naval Architecture and Marine EngineeringService: Vessel Design and Construction SupportIndustry: AirportsType: Naval Architecture+29 more

AKRF

AKRF is a multidisciplinary consulting and engineering firm with more than 400 employees across 16 offices and remote locations nationwide. It provides integrated environmental, planning, engineering, and technical services to clients in land development, transportation, energy, and water sectors. AKRF's expertise spans environmental impact assessment, civil engineering, traffic and transportation planning, acoustics, geotechnical engineering, water resources, site remediation, landscape architecture, and climate resilience and adaptation.

Website8 leadersSize Estimate: 400 employeesUpdated Jun 2026
Service: Environmental ServicesService: Environmental Impact AssessmentIndustry: Land DevelopmentType: Civil Engineering+52 more

ALRA Engineers, P.C.

We keep you moving forward by always looking ahead.

Website17 projects7 leadersUpdated Jun 2026
Service: Engineering ConsultingService: Provides Consulting Services For CivilIndustry: BridgesType: Civil Engineering+42 more

ARS Engineers, Inc.

Carrollton, TX

Enduring Values | Lasting Solutions

WebsitePhone1 office3 projects
Service: Civil EngineeringService: Roadway DesignIndustry: TransportationType: Civil Engineering+20 more

AYCE Consulting Engineers, Inc.

Santa Ana, CA

Large Firm Expertise Small Firm Values

Website1 office1 leadersFounded 2015
Service: Transportation EngineeringService: Complete Street Design (Rural and Urban)Industry: TransportationType: Transportation Engineering+25 more

AZAD Engineering PC

San Francisco, CA

Efficient Management in Infrastructure Construction

WebsitePhone2 offices1 leaders
Service: Construction Management and InspectionService: Resident EngineeringIndustry: TransportationType: Civil Engineering+41 more

Accurate Group, Inc.

Lincolnshire, IL

A solution-oriented international organization experienced in engineering and IT services.

Website1 office7 projectsFounded 1994
Service: Civil EngineeringService: Land Development and Real Estate SupportIndustry: TransportationType: Civil Engineering+38 more

Acoustical Analysis Associates Inc

Moorpark, CA

Acoustical consulting services for transportation, aviation, and community noise

WebsitePhone1 office5 projects
Service: Aircraft Noise ConsultingService: Noise Certification to CFR Part 36 and ICAO Annex 16Industry: TransportationType: Acoustic Consulting+11 more

Adams & Clark, Inc.

Spokane, WA

Top-of-the-Line Civil Engineering and Land Surveying Services

WebsitePhone1 officeFounded 1946
Service: Civil EngineeringService: Land SurveyingIndustry: Land DevelopmentType: Civil Engineering+20 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

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

Airflow Sciences Corporation

Livonia, MI

Engineered CFD Solutions

WebsitePhone1 officeFounded 1975
Service: Computational Fluid Dynamics (CFD) ModelingService: Combustion ModelingIndustry: Emissions ControlType: Mechanical Engineering+55 more

Alampalli Engineering, PLLC

Albany, NY

Key to reliable engineering, business and software solutions

WebsitePhone1 office1 leaders
Service: Infrastructure and EngineeringService: Infrastructure Asset ManagementIndustry: InfrastructureType: Civil Engineering+27 more

Alliance Consulting Engineers, Inc.

Columbia, SC

On Time. On Budget. On Your Side.

WebsitePhone5 offices7 leaders
Service: Civil EngineeringService: Land Planning and Site DesignIndustry: IndustrialType: Civil Engineering+21 more

Alpha Land Surveying & Mapping

Omaha, NE

Alpha Land Surveying & Mapping (ALSM) was founded in January 1996 by Fred M. Franklin, PLS, in Oakland, Nebraska, and has grown into a regional land surveying practice serving Nebraska and Florida. ALSM provides boundary, ALTA/ACSM, topographic, elevation certificate, and FEMA/LOMA/GIS surveys, along with construction staking and aerial drone services. A technology-forward practice, ALSM offers aerial drone photogrammetry and LiDAR scanning for power-line corridors, railway corridors, cell towers, and general corridor mapping, producing 3D point clouds, 2D and 3D orthomosaic maps, and BIM-ready spatial data. The firm operates from offices in Omaha, Oakland, South Sioux City, Norfolk, and Blair, Nebraska, and Tampa, Florida.

WebsitePhone6 offices1 leaders
Service: Land SurveyingService: ALTA/ACSM SurveysIndustry: Land DevelopmentType: Land Surveying+19 more

AmerCom Corporation

Parsippany, NJ

Responsive Cost Effective Solutions with Excellence!

WebsitePhone1 office2 projects
Service: Structural EngineeringService: Accelerated Bridge ConstructionIndustry: TransportationType: Civil Engineering+27 more

American Engineering Testing, Inc.

St. Paul, MN

Critical investigations, testing, analysis, and design for a more certain world

Website22 offices3 projects5 leaders
Service: Construction ServicesService: Construction Materials Testing & Special InspectionsIndustry: AgricultureType: Geotechnical Engineering+53 more