Public engineering firm directory

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ANS

Scotch Plains, NJ

Engineering with integrity & purpose.

WebsitePhone1 office7 projects12 leadersSize Estimate: 100-300 employeesUpdated Jun 2026

Project: The Virginia Vanguard

Service: Civil, Site & Land DevelopmentService: Site Development & PermittingService: Regulatory Coordination & RepresentationIndustry: Renewable EnergyIndustry: SolarType: Civil Engineering+57 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

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

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

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

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

Amerigeo Inc

Engineering consulting and construction support services in the New York Metropolitan Area

Website1 credentialsFounded 2009Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Site and Subsurface InvestigationService: Geotechnical DesignIndustry: CommercialIndustry: MarineType: Geotechnical Engineering+19 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

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

Project: Tappan Zee Bridge

Service: Subsurface InvestigationsService: Soil and Rock SamplingService: Standard Penetration Testing (SPT)Industry: InfrastructureIndustry: GovernmentType: Geotechnical Engineering+46 more

Bay Area Geotechnical Group

San Jose, CA

Geotechnical and environmental engineering solutions that balance cost and risk.

WebsitePhone1 office7 credentialsFounded 1988Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface InvestigationsService: Geotechnical Feasibility StudiesIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+25 more

Black Mountain Geotech

Henderson, NV

Black Mountain Geotech is a Henderson, Nevada geotechnical engineering and materials testing firm with staff holding over 30 years of experience in soil and rock mechanics. Geotechnical services span investigations, foundation analyses, slope stabilization, seismic risk assessments, and forensic engineering support. Black Mountain Geotech is an approved special inspection agency in Clark County, the City of North Las Vegas, Boulder City, and the City of Henderson, with inspectors certified by ICC, AWS, NAQTC, ACI, and NICET.

WebsitePhone1 office5 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical Investigation/Soils ReportsService: Preliminary Site Evaluations/Feasibility SurveysIndustry: ResidentialIndustry: Land DevelopmentType: Geotechnical Engineering+15 more

Bunnell-Lammons Engineering, Inc.

Greenville, SC

Technical Expertise for Tough Challenges

WebsitePhone4 offices5 projects9 leaders2 credentialsFounded 1996

Project: Harrah's Cherokee Casino Expansions

Service: Geotechnical EngineeringService: Geotechnical Investigations & Field ExplorationService: Foundation Design (Shallow & Deep Foundations)Industry: CommercialIndustry: IndustrialType: Geotechnical Engineering+25 more

COZ Engineering, LLC

NM

COZ Engineering, LLC is a geotechnical engineering practice serving southern New Mexico and west Texas, led by principal Dan Cosper with 25 years of experience and over 2,000 geotechnical reports authored in the region. COZ provides geotechnical evaluation and reporting for commercial structures, schools, residential buildings, industrial facilities, refineries, railroads, and bridges; construction observation and quality assurance testing; and forensic engineering for structures experiencing foundation distress from soil settlement or heave.

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Construction ObservationService: Forensic EngineeringIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+5 more

Carrillo & Associates, Inc.

Laredo, TX

Providing Client Satisfaction by Ensuring Expedient Quality Results with Technical Excellence

WebsitePhone2 offices4 credentialsFounded 1999Updated Jun 2026

Service detail: Construction Material Testing

Service: Construction Material TestingService: Earthwork testing (in-place density, proctors, gradations, PI, stabilization)Service: Concrete testing (slump, air, cylinders, coring, mix design, batch plant inspection)Industry: GovernmentIndustry: TransportationType: Materials Testing+17 more

Cigano Engineering LLC

Engineering Solutions That Speak Precision & Quality

WebsiteFounded 2017Updated Jun 2026

Service detail: Structural Design & Analysis

Service: Structural Design & AnalysisService: Building Component DesignService: Steel, Concrete, Timber, & Masonry DesignIndustry: CommercialIndustry: ResidentialType: Civil Engineering+26 more

Civil Renewables, Inc.

Thornton, CO

Build on a Solid Foundation!

WebsitePhone1 office2 leaders1 credentials5 publicationsSize Estimate: 1-10 employees

Service detail: Geotechnical Consulting

Service: Geotechnical ConsultingService: Desktop StudiesService: Preliminary Geotechnical InvestigationsIndustry: Renewable EnergyIndustry: WindType: Civil Engineering+30 more

Colorado Geoscience & Design

Franktown, CO

The Science of Design

WebsitePhone1 office2 leadersUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Soil TestingService: Percolation & Pit TestingIndustry: CommercialIndustry: Land DevelopmentType: Architecture & Engineering+35 more

DHDC Engineering Consulting Services, Inc.

Columbus, OH

Providing cost-effective solutions to your engineering needs.

WebsitePhone2 offices15 projects4 leaders7 credentialsSize Estimate: 20+ employees

Project: City of Columbus Pump Station

Service: Geotechnical EngineeringService: Soil Borings and Subsurface InvestigationsService: Foundation, Retaining Structure, and Tunnel DesignIndustry: InfrastructureIndustry: TransportationType: Geotechnical Engineering+19 more

DMD Engineering and Testing, Inc.

Roswell, GA

A Greener Tomorrow

WebsitePhone1 office4 leaders5 credentialsFounded 1994Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface Investigation and Foundation RecommendationsService: Shallow and Deep Foundations Monitoring and QA/QC InspectionsIndustry: Parks & Open SpaceIndustry: ReligiousType: Geotechnical Engineering+26 more

DOWL

Portland, OR

Small-Town Service, Big-Time Experts

Website5 offices8 projects12 leadersUpdated Jun 2026

Project: Choteau Wastewater Collection and Treatment Plant

Service: Environmental ServicesService: Environmental StudiesService: Environmental Planning and PermittingIndustry: AviationIndustry: AirportsType: Civil Engineering+35 more

Dawn Underground Engineering, Inc.

Flemington, NJ

Tunnels and Underground Structures Consultants

WebsitePhone1 office18 projectsUpdated Jun 2026

Project: City Tunnel No. 3

Service: Geotechnical EngineeringService: Subsurface Investigation ProgramsService: Geotechnical Data and Baseline ReportsIndustry: TunnelsIndustry: WastewaterType: Civil Engineering+19 more

Dearborn Companies

Bridgeview, IL

No Limits. No Compromise.

WebsitePhone1 office3 projects2 leaders3 credentials3 publications

Project: Lift in Windy City

Service: Heavy Lift and Heavy Transport EngineeringService: Ground Condition SurveysService: Ground Stabilization DesignIndustry: Power GenerationIndustry: PetrochemicalType: Civil Engineering+31 more

Deep Foundation Group

Sioux Falls, SD

Proven Technical Solutions for All Soil Conditions

WebsitePhone2 offices1 leadersFounded 2018Size Estimate: 6 employeesUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Deep Foundations and Ground ImprovementService: Helical PiersIndustry: CommercialIndustry: IndustrialType: Structural Engineering+8 more