Public engineering firm directory

Find engineering consulting firms by capability and location.

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ACS Services, LLC

Mesa, AZ

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

WebsitePhone1 office2 leaders
Service: Geotechnical EngineeringService: Construction Materials TestingIndustry: InfrastructureType: Geotechnical Engineering+24 more

AESCO, Inc.

Huntington Beach, CA

Building America from the ground up since 1993

WebsitePhone1 office3 projects
Service: Geotechnical EngineeringService: Geotechnical drilling and field explorationIndustry: CommercialType: Geotechnical Engineering+27 more

AGES of Jax, Inc.

Jacksonville, FL

Converged Engineering Services

WebsitePhone1 office3 credentials
Service: Geotechnical TestingService: Drilling and Subsurface ExplorationIndustry: Environmental & RemediationType: Geotechnical Engineering+30 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

AHA Marine Engineering

Nyack, NY

Your waterfront idea, our engineering expertise

WebsitePhone1 office2 leaders
Service: Underwater InspectionsService: Waterfront Structural DesignIndustry: MarineType: Marine Engineering+19 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

AP Engineering & Consulting, Inc.

Greenfield, IN

AP Engineering & Consulting, Inc. (APEC) is a full-service geotechnical engineering, environmental consulting, compliance management, and construction materials testing firm based in Greenfield, Indiana. APEC's team of licensed professional engineers, geologists, and scientists delivers quality, efficient, and value-added solutions for commercial, residential, and municipal projects. Its INDOT-prequalified and AASHTO-certified in-house laboratory supports construction materials testing in accordance with ASTM and AASHTO standards.

WebsitePhone1 office3 credentials
Service: Geotechnical EngineeringService: Subsurface ExplorationsIndustry: CommercialType: Geotechnical Engineering+39 more

AREHNA Engineering, Inc.

Tampa, FL

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

Website3 offices4 credentialsUpdated Jun 2026
Service: Geotechnical EngineeringService: Subsurface Explorations and DrillingIndustry: TransportationType: Geotechnical Engineering+24 more

AS Engineering and Consulting, LLC

Marietta, GA

Value engineering to build a safer tomorrow.

WebsitePhone1 office1 leaders
Service: Geotechnical and Geological StudiesService: Subsurface Soil ExplorationIndustry: Land DevelopmentType: Geotechnical Engineering+20 more

Aaron Swan & Associates, Inc.

Pierre, SD

Unwavering Quality. Reliable Results.

WebsitePhone4 offices7 projects
Service: Civil Design and EngineeringService: Site Master Planning and LayoutIndustry: WastewaterType: Materials Testing+33 more

Abi Engineering Consultants Inc

Santa Ana, CA

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

WebsitePhone1 office10 projects
Service: Geotechnical EngineeringService: Site Investigation and Subsurface ExplorationIndustry: CommercialType: Civil Engineering+41 more

Accura Engineering and Consulting Services, Inc.

Atlanta, GA

Providing comprehensive engineering, construction, and construction management services.

WebsitePhone3 offices8 leaders
Service: Federal ServicesService: Defense Program SupportIndustry: FederalType: Civil Engineering+32 more

Advanced Geotechnical Solutions Inc

Casper, WY

Engineering You Can Trust, Results You Can Build on

WebsitePhone1 office5 projects
Service: Geotechnical EngineeringService: Subsurface ExplorationIndustry: Land DevelopmentType: Geotechnical Engineering+13 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

Ahlberg Engineering, Inc.

Marietta, GA

Developing Our Community

WebsitePhone2 offices6 projects
Service: Geotechnical EngineeringService: Preliminary Site Selection StudiesIndustry: CommercialType: Geotechnical Engineering+39 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 leaders
Service: Construction Materials Testing (CMT)Service: Concrete TestingIndustry: GovernmentType: Geotechnical Engineering+31 more

Allender Butzke Engineers Inc.

Urbandale, IA

Solid Relationships. Solid Solutions.

WebsitePhone1 office1 projects
Service: Geotechnical EngineeringService: Geotechnical Subsurface ExplorationsIndustry: GovernmentType: Civil Engineering+26 more

Alliance Geotechnical Group, Inc.

Dallas, TX

Accredited Laboratory Testing.

WebsitePhone6 offices21 leaders
Service: Geotechnical EngineeringService: Subsurface ExplorationIndustry: GovernmentType: Geotechnical Engineering+37 more

Alpha Geotechnical and Testing Services, Inc.

Tallahassee, FL

Geotechnical Engineering and Soil Testing

WebsitePhone1 officeFounded 1998
Service: Geotechnical EngineeringService: Foundation EvaluationsIndustry: ResidentialType: Geotechnical Engineering+10 more

Amarillo Testing & Engineering, Inc.

Amarillo, TX

Geotechnical engineering, structural design, and construction materials testing in the Texas Panhandle

WebsitePhone2 offices4 projects
Service: Geotechnical EngineeringService: Subsurface ExplorationIndustry: GovernmentType: Geotechnical Engineering+20 more

American Geotechnical & Environmental Services, Inc.

Canonsburg, PA

American Geotechnical & Environmental Services (A.G.E.S.), Inc. is a specialty engineering practice that provides comprehensive geotechnical design and environmental services. Headquartered in Canonsburg, Pennsylvania, with branch offices in King of Prussia, Pennsylvania, McLean, Virginia, and New Jersey, it has grown to become one of the largest specialty geotechnical consultancies in the northeastern United States. The practice focuses on delivering geotechnical engineering solutions for public infrastructure projects, including highways, bridges, transit, rail, aviation, and water resources.

WebsitePhone3 offices12 leaders
Service: Geotechnical EngineeringService: Subsurface Explorations and InstrumentationIndustry: TransportationType: Geotechnical Engineering+13 more

Anderson Professional Services, LLC

Lexington, KY

Industry-leading expertise with innovation and unparalleled work ethic

WebsitePhone2 offices1 credentials
Service: Geotechnical Engineering & Subsurface InvestigationsService: Subsurface InvestigationsIndustry: RailType: Geotechnical Engineering+26 more

Ardaman & Associates, Inc.

Orlando, FL

Meeting All Your Project Needs, Anywhere

WebsitePhone8 offices7 projects
Service: Geotechnical and Foundation EngineeringService: Subsurface exploration and boringsIndustry: MiningType: Civil Engineering+67 more

Associated Earth Sciences Inc

Kirkland, WA

Integrated geotechnical engineering, geophysics, and hydrogeology consulting in the Pacific Northwest.

WebsitePhone2 offices7 projects
Service: Geotechnical EngineeringService: Geotechnical Engineering StudiesIndustry: GovernmentType: Geotechnical Engineering+37 more