Public engineering firm directory

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A & M Engineering and Environmental Services, Inc.

Tulsa, OK

Providing Quality Services for Over 30 Years

WebsitePhone4 offices5 projects2 credentialsFounded 1984Updated Jun 2026

Project: Cumberland Levee Repair at Lake Texoma

Service: Construction & Remediation ServicesService: Landfill ConstructionService: Impoundments & Water StructuresIndustry: Environmental & RemediationIndustry: FederalType: Environmental Engineering+72 more

A2Z Engineering, PLLC

Kalispell, MT

Civil and Structural Engineers Montana

WebsitePhone1 office2 projects1 leadersFounded 1986Updated Jun 2026

Project: Flathead Lake Engineered Septic System

Service: PowerService: Substation DesignService: Transmission Line DesignIndustry: Electric UtilitiesIndustry: Land DevelopmentType: Civil Engineering+19 more

AB Consultants, Inc.

Lanham, MD

Multidisciplinary engineering and support services in the Baltimore-Washington area

WebsitePhone2 offices1 projects1 credentialsFounded 1993Updated Jun 2026

Project: WMATA Bus System Renovations

Service: Land PlanningService: Zoning StudiesService: Land Use Feasibility StudiesIndustry: GovernmentIndustry: TransportationType: Civil Engineering+82 more

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

AED Energy Services

Wyomissing, PA

Designing America's Energy Lifelines

WebsitePhone4 offices9 leaders4 credentialsFounded 1989Updated Jun 2026

Service detail: Chemical and Process Design

Service: Chemical and Process DesignService: Documentation and AnalysisService: Specialized CalculationsIndustry: Oil & GasIndustry: PetrochemicalType: Chemical Engineering+64 more

AEG - A SOCOTEC Company

Mechanicsburg, PA

Engineering, Surveying, and Inspections

WebsitePhone1 office3 projects3 credentialsUpdated Jun 2026

Project: 95REVIVE Pottstown Expressway Reconstruction

Service: Geotechnical EngineeringService: Geotechnical Engineering and Foundation DesignService: Design of Earth Structures and Retaining WallsIndustry: TransportationIndustry: BridgesType: Geotechnical Engineering+64 more

AENY Engineering P.C.

Northport, NY

Cost Effective Engineering

WebsitePhone2 officesUpdated Jun 2026

Service detail: Naval Architecture and Marine Engineering

Service: Naval Architecture and Marine EngineeringService: Vessel Design and Construction SupportService: Shipboard Systems IntegrationIndustry: AirportsIndustry: TransitType: Naval Architecture+27 more

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

AGS, Inc.

San Francisco, CA

Enhancing communities and the built environment.

WebsitePhone2 offices6 projects10 leaders7 credentialsFounded 1983

Project: SFO Harvey Milk Terminal Boarding Area B

Service: Geotechnical EngineeringService: Site Characterization & Engineering GeologyService: Seismic Design & AnalysisIndustry: AirportsIndustry: Water SupplyType: Geotechnical Engineering+40 more

AP Engineering & Consulting, Inc.

Greenfield, IN

AP Engineering & Consulting, Inc. (APEC) is a full-service geotechnical engineering, environmental consulting, compliance management, and construction materials testing firm based in Greenfield, Indiana. APEC's team of licensed professional engineers, geologists, and scientists delivers quality, efficient, and value-added solutions for commercial, residential, and municipal projects. Its INDOT-prequalified and AASHTO-certified in-house laboratory supports construction materials testing in accordance with ASTM and AASHTO standards.

WebsitePhone1 office3 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface ExplorationsService: Soil BoringsIndustry: CommercialIndustry: RetailType: Geotechnical Engineering+37 more

APS Engineering and Testing

Baton Rouge, LA

APS Lays the Foundation for a Better World

WebsitePhone2 offices1 leaders1 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface InvestigationService: Foundation DesignIndustry: InfrastructureIndustry: Highways & RoadsType: Civil Engineering+22 more

ARM Group LLC

Hummelstown, PA

Precise. Responsive. Solutions.

WebsitePhone1 office1 projects8 credentialsFounded 1998Size Estimate: 250-500 employees

Project: Annapolis Landfill Solar

Service: Civil Engineering & Land SurveyingService: Site Planning & EntitlementService: Site Plan DesignIndustry: CommercialIndustry: RetailType: Automation & Controls+52 more

AS Engineering and Consulting, LLC

Marietta, GA

Value engineering to build a safer tomorrow.

WebsitePhone1 office1 leaders9 credentialsSize Estimate: 1-50 employeesUpdated Jun 2026

Service detail: Geotechnical and Geological Studies

Service: Geotechnical and Geological StudiesService: Subsurface Soil ExplorationService: Bridge Foundation StudiesIndustry: Land DevelopmentIndustry: InfrastructureType: Geotechnical Engineering+18 more

ASA Engineering & Surveying, LLC

Valdosta, GA

ASA Engineering & Surveying, LLC is a South Georgia engineering consultancy based in Valdosta, established in 1988, offering civil engineering, environmental engineering, land surveying, and aerial mapping services. Over 85% of business comes from repeat clients across commercial, residential, industrial, and governmental sectors. ASA is Georgia Department of Transportation Pre-Qualified, recognized by the Georgia EPD for exemplary erosion control and environmental plans, and holds FAA Part 107 certification for drone-based aerial mapping.

WebsitePhone1 office3 leaders6 credentialsFounded 1988Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Transportation InfrastructureService: Structural EngineeringIndustry: CommercialIndustry: ResidentialType: Civil Engineering+20 more

ATC Design Group

Escondido, CA

California's Only One Stop Shop

WebsitePhone1 officeFounded 1993Updated Jun 2026

Service detail: Planning and Permitting

Service: Planning and PermittingService: EntitlementsService: Permit ExpeditingIndustry: CommercialIndustry: RetailType: Architecture & Engineering+37 more

ATOKA, Inc.

Hot Springs, AR

Engineering and Environmental Consultants

WebsitePhone2 offices1 projects7 leadersFounded 1994Updated Jun 2026

Project: ATOKA Bioremediation Project

Service: Civil EngineeringService: Strategic Planning and Land UseService: Infrastructure DevelopmentIndustry: Environmental & RemediationIndustry: GovernmentType: Civil Engineering+42 more

Aaron Swan & Associates, Inc.

Pierre, SD

Unwavering Quality. Reliable Results.

WebsitePhone4 offices7 projects2 leadersFounded 1975Size Estimate: 10-49 employees

Project: Pierre SD Wastewater Treatment Plant

Service: Civil Design and EngineeringService: Site Master Planning and LayoutService: Underground Utilities DesignIndustry: WastewaterIndustry: EducationType: Materials Testing+31 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

Accura Engineering and Consulting Services, Inc.

Atlanta, GA

Providing comprehensive engineering, construction, and construction management services.

WebsitePhone3 offices8 leadersFounded 2003Size Estimate: 120 employeesUpdated Jun 2026

Service detail: Federal Services

Service: Federal ServicesService: Defense Program SupportService: Civilian Agency SupportIndustry: FederalIndustry: DefenseType: Civil Engineering+30 more

Adico, LLC

Friendswood, TX

Texas Civil Engineering Professionals

WebsitePhone1 office3 projectsUpdated Jun 2026

Project: Iowa Colony City Engineer

Service: Civil EngineeringService: Site DevelopmentService: Land Development & Master PlanningIndustry: EducationIndustry: CommercialType: Civil Engineering+40 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

Allender Butzke Engineers Inc.

Urbandale, IA

Solid Relationships. Solid Solutions.

WebsitePhone1 office1 projects1 credentialsFounded 1992Size Estimate: 35-40 employees

Project: Kreg Tool HQ

Service: Geotechnical EngineeringService: Geotechnical Subsurface ExplorationsService: Seismic Site ClassificationIndustry: GovernmentIndustry: EducationType: Civil Engineering+24 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