Public engineering firm directory

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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

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

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

Eagle Rock Engineering and Land Surveying

Idaho Falls, ID

Civil - Planning - Surveying

WebsitePhone2 officesUpdated Jun 2026

Service detail: Land Planning and Development

Service: Land Planning and DevelopmentService: Subdivision Design and PlanningService: Site Subdivision LayoutIndustry: Land DevelopmentIndustry: CommercialType: Civil Engineering+36 more

Earthworks Engineering Group

Albuquerque, NM

Earthworks Engineering Group LLC is a full-service geotechnical engineering and construction materials testing firm based in Albuquerque, New Mexico. Led by Dave Liebelt, P.E., with more than 20 years of geotechnical experience in the Albuquerque area, the team has contributed to over 4,000 residential, commercial, industrial, and civil infrastructure projects. Services include soil drilling and laboratory analysis, concrete and asphalt field sampling and testing, and aggregate evaluation, all conducted to ASTM standards.

WebsitePhone1 office2 leadersUpdated Jun 2026

Service detail: Geotechnical & Soil Testing

Service: Geotechnical & Soil TestingService: Drilling (CME and Little Beaver rigs)Service: Standard and Modified Proctor compaction (ASTM D-698, D-1557)Industry: ResidentialIndustry: CommercialType: Geotechnical Engineering+29 more

Pattison Engineering, LLC

Tucson, AZ

Innovative Geotechnical Solutions

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical Site EvaluationsService: Soil Mechanics Laboratory ServicesIndustry: CommercialIndustry: TransportationType: Geotechnical Engineering+20 more

ProTeX the PT Xperts

Phoenix, AZ

ProTeX the PT Xperts is a geotechnical engineering, materials testing, and construction support firm based in Phoenix, Arizona, with a second office in Tucson. It serves residential, commercial, industrial, governmental, and institutional projects primarily across the Phoenix and Tucson metropolitan areas. Services span geotechnical investigation and design, construction materials testing and inspection, special inspections, environmental studies, and in-house laboratory testing. ProTeX is CCRL and Arizona Department of Transportation (ADOT) certified.

WebsitePhone2 offices2 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Foundation Design RecommendationsService: Spread FootingsIndustry: ResidentialIndustry: CommercialType: Geotechnical Engineering+54 more

R.W. Gillespie & Associates, Inc.

Biddeford, ME

Engineering Quality Projects Throughout New England

WebsitePhone3 offices1 projects1 leadersFounded 1986Updated Jun 2026

Project: Saint Patrick Academy

Service: Geotechnical EngineeringService: Site and Foundation EvaluationsService: Pavement Design and EvaluationIndustry: AviationIndustry: CommercialType: Geotechnical Engineering+23 more

Rodriguez Engineering Laboratories LLC

Austin, TX

Committed To Excellence

WebsitePhone4 offices38 credentialsFounded 1992Updated Jun 2026

Service detail: Construction Materials Testing

Service: Construction Materials TestingService: Hot Mix Asphalt Concrete (HMAC) / Asphalt Mixtures TestingService: Asphalt Binders, Cutbacks, and Emulsions TestingIndustry: Highways & RoadsIndustry: BridgesType: Materials Testing+21 more

TYME Consulting Engineers, Inc.

Detroit, MI

TYME Consulting Engineers, Inc. is a multi-discipline engineering consulting firm incorporated in Michigan in 2001, providing infrastructure design and construction engineering services to municipal and commercial clients. It specializes in transportation engineering, construction engineering and inspection (CEI), materials testing, geotechnical engineering, bridge and structural design, roadway design, intelligent transportation systems (ITS), and traffic management. TYME operates four offices in Michigan (Detroit, Livonia, Lansing) and Jacksonville, Florida, and operates a fully AASHTO-accredited materials testing laboratory in Livonia, MI and Jacksonville, FL. It is prequalified to provide consulting engineering services in Michigan, Ohio, Florida, and North Carolina.

WebsitePhone4 offices7 projects1 leaders1 credentialsFounded 2001

Project: I-75 Modernization Segment 3

Service: Construction Engineering and Inspection (CEI)Service: Materials TestingService: Transportation EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+17 more

Tam Consulting Services LLC

Dallas, TX

Nationally Recognized Engineering & Quality Services

WebsitePhone2 offices3 projects5 leaders52 credentialsFounded 2016

Project: TxDOT Southern Gateway Design-Build

Service: Construction Engineering & Inspection (CE&I)Service: Materials Engineering & TestingService: Quality Assurance Program (QAP) Development & OVTIIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+10 more

Thompson, Dreessen & Dorner, Inc.

Omaha, NE

Professionals at Every Turn

WebsitePhone2 offices8 projects11 leaders1 credentialsFounded 1967

Project: Nebraska Medicine Lauritzen Outpatient Center

Service: Civil EngineeringService: Site DesignService: Subdivision DesignIndustry: EducationIndustry: HealthcareType: Civil Engineering+36 more