Public engineering firm directory

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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

Ackenheil Engineers, Inc.

Pittsburgh, PA

Your project is our priority.

WebsitePhone1 office5 leaders1 credentialsFounded 1958Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical investigationsService: Spread footing foundation designIndustry: BridgesIndustry: Highways & RoadsType: Geotechnical Engineering+24 more

Adaptive Management and Engineering, LLC

Baton Rouge, LA

Geotechnical Solutions for a Sustainable Future

WebsitePhone2 offices2 projects3 credentialsFounded 2019Size Estimate: 5-30 employees

Project: Caminada Headland Back Barrier Marsh Creation (BA-171) Project

Service: Site ExplorationService: Geotechnical Drilling, CPT Soundings and Field TestingService: Soil SamplingIndustry: IndustrialIndustry: CommercialType: Coastal Engineering+34 more

Advanced Engineering Services Inc

Hammond, IN

A Stable Foundation for a Solid Future

WebsitePhone1 office6 projects2 credentialsUpdated Jun 2026

Project: 45th St. Underpass

Service: Preconstruction Planning & Due DiligenceService: Environmental EvaluationService: Geotechnical Feasibility StudiesIndustry: TransportationIndustry: Data CentersType: Geotechnical Engineering+12 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

Advanced Testing and Materials, Inc.

Las Cruces, NM

Geotechnical engineering, materials testing, and QA/QC services

WebsitePhone1 office6 projects3 credentialsFounded 2003Updated Jun 2026

Project: Spaceport America

Service: Earthwork and Soils TestingService: Field density determinationsService: Moisture-density relationshipIndustry: Highways & RoadsIndustry: BridgesType: Geotechnical Engineering+28 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

Allerion Consulting Group Inc

We build quality into every project.

Website6 projects2 leaders2 credentialsFounded 2005Updated Jun 2026

Project: Antler Bridge Replacement

Service: Quality ControlService: Quality Control ManagementService: Quality Control PlansIndustry: Highways & RoadsIndustry: BridgesType: Geotechnical Engineering+20 more

Alliance Consulting, Inc.

Beaver, WV

Professional Consulting Services

WebsitePhone2 offices6 projects15 credentialsFounded 2001Updated Jun 2026

Project: Flat Top Lake Dam

Service: Civil EngineeringService: Site Development ServicesService: Structural Engineering ServicesIndustry: MiningIndustry: Oil & GasType: Civil Engineering+53 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 Geotechnical and Testing Services, Inc.

Tallahassee, FL

Geotechnical Engineering and Soil Testing

WebsitePhone1 officeFounded 1998Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Foundation EvaluationsService: Geotechnical EvaluationsIndustry: ResidentialIndustry: CommercialType: Geotechnical Engineering+8 more

Alta Environmental & Infrastructure

Tucson, AZ

Partnering to Build & Protect What Matters Most

WebsitePhone5 offices10 projects14 leaders3 credentialsSize Estimate: 250-999 employees

Project: ADOT I-10 Tucson Reconstruction

Service: Civil EngineeringService: Site Civil DesignService: Grading, Drainage & Stormwater ManagementIndustry: InfrastructureIndustry: CommercialType: Civil Engineering+30 more

Alvi Associates, Inc.

Towson, MD

Founded in 1979, Alvi Associates provides integrated multidisciplinary engineering services across structural, water resources, transportation, and geotechnical engineering for complex infrastructure projects. Based in Towson, Maryland, the practice has earned numerous national and state engineering awards and is recognized for first-of-its-kind solutions in the Mid-Atlantic region and beyond. Nearly all clients are repeat clients, reflecting decades-long relationships with government agencies, engineering consultants, law practices, and contractors.

WebsitePhone1 office8 projects12 credentials1 publicationsFounded 1979

Project: Forensic Investigation for Edenville Dam Failure

Service: Transportation StructuresService: Bridge Design and Superstructure ReplacementService: Bridge Inspection and Load RatingIndustry: Highways & RoadsIndustry: TransportationType: Civil Engineering+45 more

Amaracon Testing & Inspections, LLC

Hicksville, NY

Raising the Quality Standard

Website1 office11 projects3 credentialsSize Estimate: 5-50 employeesUpdated Jun 2026

Project: NY Botanical Garden Dome

Service: Special InspectionsService: Concrete InspectionsService: Structural Steel InspectionsIndustry: InfrastructureIndustry: TransportationType: Materials Testing+33 more

Amarillo Testing & Engineering, Inc.

Amarillo, TX

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

WebsitePhone2 offices4 projects3 leadersFounded 1972Updated Jun 2026

Project: City of Amarillo Osage WTP High Service and Transfer Pump Station

Service: Geotechnical EngineeringService: Subsurface ExplorationService: Geotechnical Laboratory TestingIndustry: GovernmentIndustry: Oil & GasType: Geotechnical Engineering+18 more

American Engineering Testing, Inc.

St. Paul, MN

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

Website22 offices3 projects5 leaders2 credentialsFounded 1976Updated Jun 2026

Project: Minnesota Zoo Treetop Trail

Service: Construction ServicesService: Construction Materials Testing & Special InspectionsService: Construction Materials Testing LaboratoriesIndustry: AgricultureIndustry: CommercialType: Geotechnical Engineering+51 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 leaders1 credentialsFounded 1995Size Estimate: 70-99 employees

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface Explorations and InstrumentationService: Soil and Rock Laboratory TestingIndustry: TransportationIndustry: TransitType: Geotechnical Engineering+11 more

Anderson Engineering Consultants, Inc.

Little Rock, AR

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

WebsitePhone2 offices5 credentialsSize Estimate: 50+ employeesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Field InvestigationService: Soil Mechanics TestingIndustry: InfrastructureIndustry: Environmental & RemediationType: Geotechnical Engineering+11 more

Anderson Professional Services, LLC

Lexington, KY

Industry-leading expertise with innovation and unparalleled work ethic

WebsitePhone2 offices1 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering & Subsurface Investigations

Service: Geotechnical Engineering & Subsurface InvestigationsService: Subsurface InvestigationsService: Site CharacterizationIndustry: RailIndustry: Highways & RoadsType: Geotechnical Engineering+24 more

Anfik Consulting LLC

Edgewood, WA

Civil Engineering Consulting You Can Trust

WebsitePhone1 officeUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Boring and DrillingService: Material Testing ServicesIndustry: InfrastructureIndustry: TransportationType: Civil Engineering+26 more

Angle Engineering

Las Vegas, NV

Angle Engineering is a geotechnical engineering, environmental services, special inspection, and construction materials testing firm based in Las Vegas, Nevada, serving residential, commercial, and public-sector clients throughout Nevada. The practice employs registered Geological Engineers and Civil Engineers and operates an AASHTO-accredited in-house laboratory for materials testing. Angle Engineering has extensive experience with challenging Nevada soil and groundwater conditions including collapsible silts, expansive clays, caliche, cemented materials, and hillside sites.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface Investigations & Soil SamplingService: Laboratory TestingIndustry: ResidentialIndustry: CommercialType: Geotechnical Engineering+10 more

Applied Foundation Testing

New Port Richey, FL

Complete Solutions for Deep Foundation Testing

WebsitePhone2 offices9 projects4 leaders1 publicationsFounded 1997

Project: I-4 Ultimate

Service: Dynamic and Rapid Load TestingService: STATNAMIC Load Testing (ASTM D7383)Service: Dynamic Pile Testing / PDA (ASTM D4945)Industry: BridgesIndustry: Highways & RoadsType: Geotechnical Engineering+44 more