Public engineering firm directory

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AGES of Jax, Inc.

Jacksonville, FL

Converged Engineering Services

WebsitePhone1 office3 credentialsFounded 1994Updated Jun 2026

Service detail: Geotechnical Testing

Service: Geotechnical TestingService: Drilling and Subsurface ExplorationService: Soil and Roadway Testing and AnalysisIndustry: Environmental & RemediationIndustry: GovernmentType: Geotechnical 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

Project: Tappan Zee Bridge

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

Barnett Quality Control Services Inc

San Diego, CA

Our Services. Your Success.

WebsitePhone2 offices9 projects11 leaders9 credentialsFounded 2008

Project: Directors Place

Service: Environmental ServicesService: Phase I Environmental Site AssessmentService: Phase II Environmental Site AssessmentIndustry: CommercialIndustry: EducationType: Geotechnical Engineering+94 more

CQC Testing and Engineering, L.L.C.

El Paso, TX

El Paso, Texas Geotech Experts

WebsitePhone1 office20 projects3 credentialsSize Estimate: 1-25 employeesUpdated Jun 2026

Project: Tornillo-Guadalupe Port of Entry - Phase I Roadway Construction

Service: Geotechnical and Foundation EngineeringService: Subsurface InvestigationService: Foundation Design RecommendationsIndustry: Highways & RoadsIndustry: TransportationType: Civil Engineering+30 more

Construction Materials Engineers, Inc.

Reno, NV

Your Project Success Starts Here

WebsitePhone1 office12 projects21 leaders1 credentialsFounded 2009

Project: Church Street Extension & Trout Creek Restoration

Service: Geotechnical EngineeringService: Geotechnical Investigation and ReportingService: Engineering Analysis and DesignIndustry: AviationIndustry: CommercialType: Geotechnical Engineering+26 more

CorrTech, Inc.

Marlborough, MA

Corrosion engineering, infrastructure assessment, and rehabilitation technologies

WebsitePhone2 offices11 projects2 leaders4 credentialsFounded 1997

Project: Scituate Dam Water Supply Pipe Cleaning and Inspection

Service: Cathodic Protection Design & InstallationService: Impressed Current SystemsService: Sacrificial Anode SystemsIndustry: Water SupplyIndustry: WastewaterType: Materials Engineering+44 more

Davis Engineering & Surveying, LLC

Dawsonville, GA

Build Your Dream with DES

WebsitePhone1 office13 credentialsFounded 2009Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Mark Property LinesService: Boundary Survey (Retracement)Industry: ResidentialIndustry: CommercialType: Civil Engineering+30 more

Dinvent Tech LLC

Spring, TX

Empowering minds, Driving innovation.

WebsitePhone1 office4 projectsUpdated Jun 2026

Project: Pallas Project

Service: Aerospace EngineeringService: Aerospace Systems EngineeringService: Concept Design & Structural AnalysisIndustry: AerospaceIndustry: NuclearType: Aerospace Engineering+30 more

GESTRA Engineering, Inc.

Milwaukee, WI

High-Quality & Cost-Efficient Geotechnical Engineering, Drilling, and Materials Testing

WebsitePhone2 offices4 projects3 credentialsFounded 2000Updated Jun 2026

Project: I-94 East-West Corridor Reconstruction

Service: Geotechnical EngineeringService: Subsurface ExplorationService: Foundation Design and AnalysisIndustry: CommercialIndustry: RetailType: Geotechnical Engineering+30 more

GeoStrata

Bluffdale, UT

Leaders in Engineering and Geoscience

WebsitePhone1 office9 credentialsFounded 1999Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Foundation Soils AssessmentService: Pavement DesignIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+28 more

GeoStructures, Inc.

King of Prussia, PA

Integrating Soil & Structure

WebsitePhone1 office8 projects4 credentialsFounded 2001Size Estimate: 20-80 employees

Project: The Study Hotel

Service: Foundation Investigation & DesignService: Drilling Services and Subsurface InvestigationsService: Support of Excavation and UnderpinningIndustry: CommercialIndustry: Mixed-UseType: Environmental Engineering+47 more

HighSpans Engineering, Inc.

Fort Myers, FL

Where Structural Design Meets Construction Engineering

WebsitePhone1 office5 projects18 credentialsUpdated Jun 2026

Project: Big Carlos Pass Bridge Replacement

Service: Structural EngineeringService: Major Bridge DesignService: Minor Bridge DesignIndustry: Highways & RoadsIndustry: BridgesType: Civil Engineering+26 more

Hollatz Engineering, Inc.

Juneau, AK

Hollatz Engineering, Inc. (formerly Wilson Engineering, founded 1985) provides third-party construction administration, inspection, special inspection, and materials testing services for civil and building projects in Juneau and Southeast Alaska. With over 35 years of experience and involvement in more than $400 million of construction projects, Hollatz Engineering has supported roads, bridges, airport facilities, marine infrastructure, water and sewer systems, and public buildings throughout the region.

WebsitePhone1 office5 projects1 leaders2 credentialsFounded 1985

Project: Columbia Blvd, Poplar Ave, and Mendenhall Blvd Reconstruction

Service: Construction Administration and Contract ManagementService: Quality Assurance, Observation, and DocumentationService: Special Inspection ServicesIndustry: Highways & RoadsIndustry: BridgesType: Civil Engineering+21 more

K & S Engineers

Highland, IN

Multifaceted civil and construction engineering services

WebsitePhone1 office6 credentialsFounded 1984Updated Jun 2026

Service detail: Drilling Services

Service: Drilling ServicesService: Split-Spoon SamplingService: Shelby Tube SamplingIndustry: GovernmentIndustry: TransportationType: Civil Engineering+19 more

L.S. Engineering, Inc.

Greenville, MI

Engineering Excellence Built on Experience.

WebsitePhone3 offices5 projects1 leadersFounded 1998Size Estimate: 10-49 employees

Project: I-75 Sign Upgrade

Service: Construction EngineeringService: Project OversightService: Field InspectionsIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+31 more

MC Squared, LLC

Atlanta, GA

Exceptional People Providing Exceptional Solutions

Website3 offices6 projects6 leaders3 credentialsFounded 2001Size Estimate: 25-100 employees

Project: CR 817, Lee Road, and South Sweetwater Road Widening

Service: Geotechnical EngineeringService: Subsurface Exploratory Drilling and Soil ExplorationService: Standard and Non-Redundant Drilled Shaft Bridge Foundation StudiesIndustry: Highways & RoadsIndustry: BridgesType: Geotechnical Engineering+35 more

Professional Engineering Solutions, LLC

Houston, TX

Professional Engineering Solutions (PES) is a licensed professional engineering practice in Houston, Texas, with experienced engineering experts across multiple disciplines. It provides reliable engineering solutions to challenging technical problems using current methods, specifications, codes, standards, and advanced modeling and simulation techniques. The practice is highly skilled in engineering analysis and computational simulations, and also serves as a third-party reviewer to verify that engineering services performed by others conform to industry standards, codes, and project specifications.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Structural and Mechanical Engineering

Service: Structural and Mechanical EngineeringService: Global Static and Dynamic AnalysesService: Finite Element Analysis and Computational Fluid DynamicsIndustry: Oil & GasIndustry: PetrochemicalType: Structural Engineering+29 more

Quality Engineering Services LLC

Innovative structural engineering, healthcare construction project management, and fall protection systems.

WebsiteUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Bridge DesignService: Shallow Foundation DesignIndustry: BridgesIndustry: HealthcareType: Structural Engineering+11 more

RADISE International

Riviera Beach, FL

Making the World's Infrastructure Resilient & Sustainable

WebsitePhone1 office3 projects6 leaders4 credentialsUpdated Jun 2026

Project: C-44 Reservoir and Discharge Canal

Service: Geotechnical EngineeringService: Field ExplorationService: Geotechnical AnalysisIndustry: InfrastructureIndustry: GovernmentType: Geotechnical Engineering+28 more

Rubino Engineering, Inc.

Elgin, IL

Moving your project forward through engineering and testing

WebsitePhone1 office7 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Field Geotechnical Drilling & Drilling ServicesService: Field Geotechnical DrillingIndustry: Highways & RoadsIndustry: BridgesType: Geotechnical Engineering+45 more

Smith Annala Engineering Co

Tempe, AZ

Founded in 2011, SAECO (Smith & Annala Engineering Company) is an Arizona-based geotechnical, environmental, and construction materials testing practice with three offices serving Arizona and surrounding states. Its staff of more than 40 engineers, geologists, construction managers, engineering technicians, surveyors, and special inspectors supports clients across the Southwestern United States.

WebsitePhone2 offices4 leaders3 credentialsFounded 2011Size Estimate: 40+ employees

Service detail: Construction Materials Testing

Service: Construction Materials TestingService: Concrete Field TestingService: Concrete Laboratory TestingIndustry: NuclearIndustry: Power GenerationType: Environmental Engineering+20 more

Somat Engineering, Inc.

Detroit, MI

Infrastructure Engineering Solutions

WebsitePhone8 offices8 projects2 leaders7 credentialsFounded 1986

Project: M-1 Rail (QLine)

Service: Geotechnical EngineeringService: Subsurface InvestigationService: Foundation DesignIndustry: TransportationIndustry: Highways & RoadsType: Geotechnical Engineering+49 more

Southwestern Testing Laboratories, L.L.C.

Dallas, TX

Cutting Edge Solutions for Geotechnical & Materials Engineering Challenges

WebsitePhone2 offices6 projects1 leaders9 credentialsUpdated Jun 2026

Project: DFW International Airport Terminal D Expansion

Service: Geotechnical EngineeringService: Foundation Design EngineeringService: Pile Load TestingIndustry: TransportationIndustry: Oil & GasType: Geotechnical Engineering+27 more