Public engineering firm directory

Find engineering consulting firms by capability and location.

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AEG - A SOCOTEC Company

Mechanicsburg, PA

Engineering, Surveying, and Inspections

WebsitePhone1 office3 projects
Service: Geotechnical EngineeringService: Geotechnical Engineering and Foundation DesignIndustry: TransportationType: Geotechnical Engineering+66 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

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

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

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

Achievement Engineering Corp.

San Jose, CA

Building Tomorrow's Legacy, Today

Website1 office3 leadersFounded 2010
Service: Materials Testing LaboratoryService: Soils & Aggregates TestingIndustry: CommercialType: Geotechnical Engineering+29 more

Adaptive Management and Engineering, LLC

Baton Rouge, LA

Geotechnical Solutions for a Sustainable Future

WebsitePhone2 offices2 projects
Service: Site ExplorationService: Geotechnical Drilling, CPT Soundings and Field TestingIndustry: IndustrialType: Coastal Engineering+36 more

Advanced Geotechnical Engineering LLC

Pearl City, HI

Building Our World on Solid Foundations

WebsitePhone1 office5 projects
Service: Soil InvestigationService: Subsurface InvestigationIndustry: CommercialType: Geotechnical Engineering+30 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 & 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 projects
Service: Geotechnical EngineeringService: Subsurface Site InvestigationIndustry: CommercialType: Geotechnical Engineering+94 more

Alta Environmental & Infrastructure

Tucson, AZ

Partnering to Build & Protect What Matters Most

WebsitePhone5 offices10 projects
Service: Civil EngineeringService: Site Civil DesignIndustry: InfrastructureType: Civil Engineering+32 more

Amaracon Testing & Inspections, LLC

Hicksville, NY

Raising the Quality Standard

Website1 office11 projects3 credentials
Service: Special InspectionsService: Concrete InspectionsIndustry: InfrastructureType: Materials Testing+35 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

Anderson Engineering Consultants, Inc.

Little Rock, AR

Specializing in Geotechnical/Environmental Engineering and Quality Assurance/Control Testing

WebsitePhone2 offices5 credentials
Service: Geotechnical EngineeringService: Field InvestigationIndustry: InfrastructureType: Geotechnical Engineering+13 more

Anfik Consulting LLC

Edgewood, WA

Civil Engineering Consulting You Can Trust

WebsitePhone1 officeUpdated Jun 2026
Service: Geotechnical EngineeringService: Boring and DrillingIndustry: InfrastructureType: Civil Engineering+28 more

Atlantic Testing Laboratories, Limited

Canton, NY

Atlantic Testing Laboratories, Limited (ATL) is a full-service engineering support firm with eleven offices throughout New York State, providing geotechnical engineering, materials testing, environmental services, and subsurface investigation to infrastructure, industrial, governmental, and private clients across the Northeast, Midwest, and Mid-Atlantic regions. ATL maintains a database of more than 6,000 completed geotechnical and subsurface investigation projects in the Northeastern United States, in-house geotechnical laboratories, a diverse fleet of drill rigs, and an in-house fabrication shop for custom field tools. Key capabilities include subsurface investigations (soil and rock sampling, SPT, CPT, groundwater monitor well construction), construction material testing (concrete, steel, asphalt, masonry), geotechnical engineering (foundation design, pavement design, slope stability, dynamic pile testing), environmental services (Phase 1 and 2 ESA, asbestos and lead surveys, mold assessment, SWPPP inspections, vapor intrusion assessments), and nondestructive testing.

Website2 offices4 projectsUpdated Jun 2026
Service: Subsurface InvestigationsService: Soil and Rock SamplingIndustry: InfrastructureType: Geotechnical Engineering+48 more

B2Z Engineering, LLC

Mission, TX

Building a Better Texas

Website5 offices3 projects1 credentials
Service: Plans, Specifications & Estimates (PS&E)Service: Highway and Road DesignIndustry: Highways & RoadsType: Civil Engineering+40 more

Baer Testing and Engineering, Inc.

Yakima, WA

Baer Testing and Engineering, Inc. is a Central Washington geotechnical engineering and construction materials testing firm established in 2005, with offices in Yakima and Kennewick, WA. The firm provides geotechnical engineering, construction materials testing, and special inspection services across the Pacific Northwest, guiding clients from initial site explorations through final construction with prompt, accurate, and reliable deliverables.

WebsitePhone2 offices3 credentials
Service: Geotechnical EngineeringService: Slope stability analysisIndustry: InfrastructureType: Geotechnical Engineering+17 more