Public engineering firm directory

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ACS Services, LLC

Mesa, AZ

Geotechnical engineering, material testing, special inspections, and drilling services in Arizona

WebsitePhone1 office2 leaders9 credentialsFounded 2008Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Construction Materials TestingService: Field QA/QC Materials TestingIndustry: InfrastructureIndustry: CommercialType: Geotechnical Engineering+22 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

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

Blair, Church & Flynn Consulting Engineers

Clovis, CA

Service. Quality. Integrity.

WebsitePhone6 offices3 leaders5 credentialsFounded 1958Updated Jun 2026

Service detail: Planning, Permitting & Consulting

Service: Planning, Permitting & ConsultingService: Alternatives AnalysesService: Constructability ReviewsIndustry: Power GenerationIndustry: Electric UtilitiesType: Civil Engineering+72 more

ConformaTech, Inc.

Tucson, AZ

ConformaTech, Inc. is a Tucson, Arizona-based geotechnical engineering, construction materials testing, and environmental consulting firm with over 30 years of operation in Southern Arizona. Company staff include two professional geotechnical engineers, a professional geologist, and 18 field and laboratory technicians, operating a full-service materials testing and soil laboratory from a 6,000 square-foot facility near Kino Parkway and Benson Highway in Tucson. ConformaTech serves Pima County municipalities, regional agencies, private developers, and contractors on construction, geotechnical, and environmental projects throughout the region.

WebsitePhone1 office6 credentialsUpdated Jun 2026

Service detail: Construction Materials Testing

Service: Construction Materials TestingService: In-place moisture content and dry density testingService: Asphalt placement observation and samplingIndustry: GovernmentIndustry: Highways & RoadsType: Geotechnical Engineering+33 more

EDM International, Inc.

Fort Collins, CO

Reliability & Innovation Since 1982

Website4 officesFounded 1982Updated Jun 2026

Service detail: Engineering and Design

Service: Engineering and DesignService: Power Delivery Design & EngineeringService: Custom-Engineered Structures & FoundationsIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Power & Utility Engineering+38 more

Galileo Group

Casa Grande, AZ

Civil Engineering Excellence Built on Precision. Driven by Vision.

WebsitePhone1 office1 credentialsSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Grading & Drainage Plans

Service: Grading & Drainage PlansService: Site Grading DesignService: Stormwater Drainage DesignIndustry: InfrastructureIndustry: Land DevelopmentType: Civil Engineering+40 more

Geotechnical Testing & Inspections LLC

Scottsdale, AZ

Building Arizona From the Ground Up

WebsitePhone1 office3 leaders10 credentialsFounded 1995Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical Subsurface ExplorationsService: Foundation Analysis & DesignIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+26 more

HBK Engineering, LLC

Chicago, IL

A Proven Leader in Utility Engineering

WebsitePhone29 offices6 credentialsFounded 1998Size Estimate: 900+ employeesUpdated Jun 2026

Service detail: Electrical Utility Infrastructure Design

Service: Electrical Utility Infrastructure DesignService: Transmission and distribution line designService: Substation designIndustry: Electric UtilitiesIndustry: Power GenerationType: Environmental Engineering+48 more

Kimley-Horn

Raleigh, NC

Expect More. Experience Better.

Website8 offices22 projects4 credentialsFounded 1967Size Estimate: 7,000-12,000 employeesUpdated Jun 2026

Project: RUS Bus Transit Facility

Service: Transportation EngineeringService: Highway & Roadway DesignService: Transportation PlanningIndustry: AerospaceIndustry: AviationType: Aviation Engineering+95 more

Larson Design Group, Inc.

Williamsport, PA

National Presence. Hyper-Local Focus.

WebsitePhone18 offices4 leadersFounded 1986Updated Jun 2026

Service detail: Civil Engineering

Service: Architecture & Interior DesignService: Civil EngineeringService: Site/Land DevelopmentIndustry: CommercialIndustry: EducationType: Architecture & Engineering+78 more

Matrix Design Group, Inc.

Colorado Springs, CO

Excellence by Design

Website4 offices12 projects9 leaders25 credentialsFounded 1999Updated Jun 2026

Project: Westminster Regional Rail Transit-Oriented Design

Service: Civil EngineeringService: Site DevelopmentService: Grading & EarthworkIndustry: GovernmentIndustry: FederalType: Civil Engineering+66 more

Michael Baker International

Pittsburgh, PA

We Make a Difference

Website18 offices5 projects15 leaders5 credentials4 publicationsFounded 1940

Project: Fika Remote Footbridge Build

Service: Infrastructure EngineeringService: Roadway and Highway DesignService: Bridge Design and InspectionIndustry: TransportationIndustry: Highways & RoadsType: Architecture & Engineering+46 more

Nicklaus Engineering Inc.

Yuma, AZ

Nicklaus Engineering Provides Innovative Solutions For The Modern World

WebsitePhone1 office5 leadersFounded 1977Updated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Drafting ServicesService: Building InspectionIndustry: GovernmentIndustry: FederalType: Architecture & Engineering+40 more

Olsson

Lincoln, NE

Engineering trust.

Website10 offices5 projects10 leaders16 credentials2 publicationsFounded 1956

Project: Baylor Scott & White Medical Center and Clinic in Pflugerville

Service: Civil & Site EngineeringService: Site Design and DevelopmentService: Land SurveyingIndustry: CommercialIndustry: ResidentialType: Civil Engineering+39 more

Partner Engineering and Science, Inc.

Pasadena, CA

Engineers Who Understand Your Business

WebsitePhone17 offices7 projects11 leadersSize Estimate: 1,500+ employeesUpdated Jun 2026

Project: Adaptive Reuse of North Riverfront Historic Industrial Portfolio

Service: Building Assessments & EngineeringService: Property Condition Assessment ReportsService: Commercial Building InspectionIndustry: CommercialIndustry: Multifamily ResidentialType: Environmental Engineering+53 more

Penta Engineering Corp

St. Louis, MO

Committed to Excellence From Concept to Completion

Website4 offices3 projects4 leadersFounded 1986Updated Jun 2026

Project: Ash Classification System EPCM

Service: EngineeringService: Mechanical EngineeringService: Structural & Civil EngineeringIndustry: Aggregates & QuarryingIndustry: AgricultureType: Civil Engineering+29 more

Phoenix Testing & Inspection LLC

Tempe, AZ

Phoenix Testing & Inspection LLC (PTI) is a construction materials testing, special inspections, geotechnical engineering, and environmental services firm founded in 2001 and based in Tempe, AZ. PTI is a local family-owned company holding AASHTO laboratory accreditation and WBENC Women's Business Enterprise certification (WBE2300562). It provides geotechnical services, construction and special structural inspections, materials testing, and Phase I and Phase II environmental site assessments to residential home builders, commercial developers, contractors, government agencies, and public and private utilities throughout Arizona. PTI has completed services on more than 1,500 projects ranging from single-family residences to large industrial complexes.

WebsitePhone1 office2 credentialsFounded 2001Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical Site InvestigationService: Soil AnalysisIndustry: ResidentialIndustry: CommercialType: Materials Testing+16 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

Sandhill Holdings LLC

Tucson, AZ

Partnering to Build & Protect What Matters Most

WebsitePhone5 offices11 projects14 leaders3 credentialsSize Estimate: 250-999 employees

Project: ADOT I-10 Tucson

Service: Civil EngineeringService: Site DevelopmentService: Grading, Drainage, and Utility DesignIndustry: CommercialIndustry: ResidentialType: Civil Engineering+40 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

Strand Associates, Inc.

Madison, WI

Excellence in Engineering

WebsitePhone12 offices10 projects2 leaders17 credentialsFounded 1946

Project: Waterline Replacements and Well Addition for JCWC

Service: Water SupplyService: Water-system PlanningService: Water System InfrastructureIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+23 more

UES (Universal Engineering Sciences)

Orlando, FL

Grounded In Excellence

WebsitePhone5 officesSize Estimate: 4,000+ employeesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface InvestigationService: Soil TestingIndustry: TransportationIndustry: InfrastructureType: Geotechnical Engineering+43 more

Western Heritage Consulting & Engineering

Casper, WY

Envision + Design + Build

WebsitePhone2 offices11 projects8 leadersFounded 2011Size Estimate: 1-9 employees

Project: Evaporation Facility

Service: Civil EngineeringService: Access & InfrastructureService: Linear UtilitiesIndustry: AgricultureIndustry: Water ResourcesType: Civil Engineering+34 more