Public engineering firm directory

Find engineering consulting firms by capability and location.

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7NT Enterprises, LLC

Miamisburg, OH

Proper Execution with Precision

WebsitePhone1 office9 projects1 leaders4 credentialsFounded 2008

Project: Gordie Howe International Bridge

Service: Drilling ServicesService: Rock Coring and Soil SamplingService: Hydraulic Conductivity TestingIndustry: WastewaterIndustry: Water SupplyType: Geotechnical Engineering+19 more

A&A Consultants Inc

McKees Rocks, PA

Specializing in geotechnical, structural, and civil engineering excellence

WebsitePhone3 offices7 projects8 credentialsFounded 1996Updated Jun 2026

Project: Big Beaver Bridge

Service: Bridge Design and InspectionsService: Bridge DesignService: Bridge InspectionsIndustry: TransportationIndustry: BridgesType: Civil Engineering+22 more

AB Consultants, Inc.

Lanham, MD

Multidisciplinary engineering and support services in the Baltimore-Washington area

WebsitePhone2 offices1 projects1 credentialsFounded 1993Updated Jun 2026

Project: WMATA Bus System Renovations

Service: Land PlanningService: Zoning StudiesService: Land Use Feasibility StudiesIndustry: GovernmentIndustry: TransportationType: Civil Engineering+82 more

ABNA Engineering, Inc.

St. Louis, MO

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

WebsitePhone3 offices4 projects11 leaders3 credentialsFounded 1994

Project: Washington Avenue Streetscape Project

Service: Civil EngineeringService: Water Resources EngineeringService: Municipal UtilitiesIndustry: InfrastructureIndustry: TransportationType: Civil Engineering+41 more

ACS Services, LLC

Mesa, AZ

Geotechnical engineering, material testing, special inspections, and drilling services in Arizona

WebsitePhone1 office2 leaders9 credentialsFounded 2008Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Construction Materials TestingService: Field QA/QC Materials TestingIndustry: InfrastructureIndustry: CommercialType: Geotechnical Engineering+22 more

AEG - A SOCOTEC Company

Mechanicsburg, PA

Engineering, Surveying, and Inspections

WebsitePhone1 office3 projects3 credentialsUpdated Jun 2026

Project: 95REVIVE Pottstown Expressway Reconstruction

Service: Geotechnical EngineeringService: Geotechnical Engineering and Foundation DesignService: Design of Earth Structures and Retaining WallsIndustry: TransportationIndustry: BridgesType: Geotechnical Engineering+64 more

AGS, Inc.

San Francisco, CA

Enhancing communities and the built environment.

WebsitePhone2 offices6 projects10 leaders7 credentialsFounded 1983

Project: SFO Harvey Milk Terminal Boarding Area B

Service: Geotechnical EngineeringService: Site Characterization & Engineering GeologyService: Seismic Design & AnalysisIndustry: AirportsIndustry: Water SupplyType: Geotechnical Engineering+40 more

AHA Marine Engineering

Nyack, NY

Your waterfront idea, our engineering expertise

WebsitePhone1 office2 leadersFounded 2023Updated Jun 2026

Service detail: Underwater Inspections

Service: Underwater InspectionsService: Waterfront Structural DesignService: Piers and Wharves EngineeringIndustry: MarineIndustry: Ports & HarborsType: Marine Engineering+17 more

AKS Engineering & Forestry

Tualatin, OR

Practical Solutions. Designed to Last.

WebsitePhone1 officeFounded 1996Size Estimate: 600+ employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Design & GradingService: UtilitiesIndustry: InfrastructureIndustry: Land DevelopmentType: Civil Engineering+35 more

ANS Consultants Inc.

South Plainfield, NJ

ANS Consultants Inc. is a South Plainfield, New Jersey-based geotechnical and materials testing engineering practice founded in 1994. It provides geotechnical engineering, construction inspection, geophysical surveys, material laboratory testing, drilling services, pre- and post-construction monitoring, and renewable energy engineering to clients throughout New Jersey, Pennsylvania, New York, and Delaware. ANS Consultants Inc. specializes in quality control consulting for the construction industry.

WebsitePhone1 office1 credentialsFounded 1994Size Estimate: 5-50 employeesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Soil BoringsService: Subsurface InvestigationIndustry: Renewable EnergyType: Geotechnical Engineering+18 more

APS Engineering and Testing

Baton Rouge, LA

APS Lays the Foundation for a Better World

WebsitePhone2 offices1 leaders1 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface InvestigationService: Foundation DesignIndustry: InfrastructureIndustry: Highways & RoadsType: Civil Engineering+22 more

AREHNA Engineering, Inc.

Tampa, FL

Innovative geotechnical, forensic structural, and materials testing services throughout Florida.

Website3 offices4 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface Explorations and DrillingService: Sinkhole InvestigationsIndustry: TransportationIndustry: Highways & RoadsType: Geotechnical Engineering+22 more

ASA Engineering & Surveying, LLC

Valdosta, GA

ASA Engineering & Surveying, LLC is a South Georgia engineering consultancy based in Valdosta, established in 1988, offering civil engineering, environmental engineering, land surveying, and aerial mapping services. Over 85% of business comes from repeat clients across commercial, residential, industrial, and governmental sectors. ASA is Georgia Department of Transportation Pre-Qualified, recognized by the Georgia EPD for exemplary erosion control and environmental plans, and holds FAA Part 107 certification for drone-based aerial mapping.

WebsitePhone1 office3 leaders6 credentialsFounded 1988Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Transportation InfrastructureService: Structural EngineeringIndustry: CommercialIndustry: ResidentialType: Civil Engineering+20 more

Abi Engineering Consultants Inc

Santa Ana, CA

Geotechnical, Civil, and Structural Engineering Across California and the Western States

WebsitePhone1 office10 projects2 leadersFounded 2004Updated Jun 2026

Project: LA Metro Gold Line - MSE Wall

Service: Geotechnical EngineeringService: Site Investigation and Subsurface ExplorationService: Foundation Design and Lateral Earth Pressure AnalysisIndustry: CommercialIndustry: IndustrialType: Civil Engineering+39 more

Achievement Engineering Corp.

San Jose, CA

Building Tomorrow's Legacy, Today

Website1 office3 leadersFounded 2010Updated Jun 2026

Service detail: Materials Testing Laboratory

Service: Materials Testing LaboratoryService: Soils & Aggregates TestingService: Concrete TestingIndustry: CommercialIndustry: GovernmentType: Geotechnical Engineering+27 more

Adico, LLC

Friendswood, TX

Texas Civil Engineering Professionals

WebsitePhone1 office3 projectsUpdated Jun 2026

Project: Iowa Colony City Engineer

Service: Civil EngineeringService: Site DevelopmentService: Land Development & Master PlanningIndustry: EducationIndustry: CommercialType: Civil Engineering+40 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 1998Size Estimate: 10-30 employeesUpdated Jun 2026

Service detail: Pavement Engineering

Service: Pavement EngineeringService: Comprehensive Non-Destructive Field TestingService: Functional LCMS AssessmentIndustry: GovernmentIndustry: TransportationType: Civil Engineering+57 more

Ahlberg Engineering, Inc.

Marietta, GA

Developing Our Community

WebsitePhone2 offices6 projects1 leadersFounded 1995Size Estimate: 20+ employees

Project: Marietta First Baptist Church

Service: Geotechnical EngineeringService: Preliminary Site Selection StudiesService: Subsurface ExplorationIndustry: CommercialIndustry: ReligiousType: Geotechnical Engineering+37 more

Aimright Testing & Engineering

Tulsa, OK

Communicating With Technical Accuracy About Your Project So You Can Proceed With Confidence

WebsitePhone1 office3 projects8 credentialsSize Estimate: 25-50 employeesUpdated Jun 2026

Project: Broken Arrow Senior Center

Service: Geotechnical EngineeringService: Standard Penetration TestingService: Rock Coring and DrillingIndustry: EducationIndustry: GovernmentType: Geotechnical Engineering+30 more

All-Terra Engineering, Inc.

Houston, TX

All-Terra Engineering, Inc. is a full-service construction materials testing (CMT) and geotechnical engineering laboratory based in Houston, Texas, founded in 2006 by President Haddis Tewolde, P.E. Backed by a senior team with more than 50 years of combined experience, All-Terra operates an A2LA-accredited laboratory and serves public agencies, developers, contractors, and universities across the Greater Houston area. Core services include construction materials testing, geotechnical engineering, and forensic evaluation of concrete.

WebsitePhone1 office1 leaders4 credentialsFounded 2006Updated Jun 2026

Service detail: Construction Materials Testing (CMT)

Service: Construction Materials Testing (CMT)Service: Concrete TestingService: Soils TestingIndustry: GovernmentIndustry: InfrastructureType: Geotechnical Engineering+29 more

Allender Butzke Engineers Inc.

Urbandale, IA

Solid Relationships. Solid Solutions.

WebsitePhone1 office1 projects1 credentialsFounded 1992Size Estimate: 35-40 employees

Project: Kreg Tool HQ

Service: Geotechnical EngineeringService: Geotechnical Subsurface ExplorationsService: Seismic Site ClassificationIndustry: GovernmentIndustry: EducationType: Civil Engineering+24 more

Allstate Consultants Llc

Columbia, MO

Engineering Our Community

Website4 officesFounded 1975Updated Jun 2026
Service: Civil EngineeringService: Structural EngineeringService: Water and Environmental EngineeringIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+14 more

Alpha Geotechnical & Materials, Inc.

Tempe, AZ

Alpha Geotechnical & Materials, Inc. is a Tempe, Arizona-based consulting practice founded in 1998, specializing in geotechnical and environmental engineering, geological services, construction inspections, and materials testing. It serves public and private clients on projects ranging from single commercial pads to large master-planned communities across the Phoenix metro area, delivering timely, accurate, and cost-effective field and laboratory testing.

WebsitePhone1 office18 projects5 leadersFounded 1998Size Estimate: 1-25 employees

Project: Microchip Technology C6 Building

Service: Geotechnical EngineeringService: Subsurface Site InvestigationService: Foundation, Pavement, and Earthquake EngineeringIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+92 more

Alpha-Omega Geotech, Inc.

Kansas City, KS

Partnership That Pays from Design Through Construction

WebsitePhone1 office8 leadersFounded 1982Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Drilling ServicesService: Laboratory ServicesIndustry: AviationIndustry: HealthcareType: Geotechnical Engineering+4 more