Public engineering firm directory

Find engineering consulting firms by capability and location.

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AEi Systems, Inc.

Centennial, CO

Analytical HEAVY Lifting

WebsitePhone2 offices9 publicationsFounded 1995Size Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Worst-Case Circuit Analysis (WCCA)

Service: Worst-Case Circuit Analysis (WCCA)Service: Pre-WCCA design review and assessmentService: WCCA document reviewIndustry: ElectronicsIndustry: SpaceType: Electrical Engineering+38 more

AMI Aero, LLC

Renton, WA

An Aerodynamics Legacy Since 1971

WebsitePhone1 office3 projectsFounded 1971Updated Jun 2026

Project: Sino-Swearingen SJ30

Service: Aerodynamic EngineeringService: Aircraft Design & ConfigurationService: Airfoil & Shape DesignIndustry: AerospaceIndustry: AviationType: Aerospace Engineering+28 more

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

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

Advanced Geotechnical Engineering LLC

Pearl City, HI

Building Our World on Solid Foundations

WebsitePhone1 office5 projects1 leadersUpdated Jun 2026

Project: Honolulu Rapid Transit Project

Service: Soil InvestigationService: Subsurface InvestigationService: Soil and Groundwater SamplingIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+28 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

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

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

Andrews & Associates Engineering, Inc.

Lynnwood, WA

Professional engineering design services specializing in instrumentation hardware and software development.

WebsitePhone1 office4 projects1 leadersFounded 1989Updated Jun 2026

Project: New Satellite Thruster Controller

Service: Electronics Design and DevelopmentService: Analog and Precision Analog CircuitryService: Digital and Microprocessor SystemsIndustry: IndustrialIndustry: DefenseType: Automation & Controls+28 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

Applied Research Associates, Inc.

Albuquerque, NM

Innovative Solutions to Complex Problems

Website1 office5 projects1 credentialsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Switchback Autonomous Ground Platform

Service: Integrated Systems EngineeringService: Assured Position Navigation and TimingService: Contract Manufacturing and EngineeringIndustry: DefenseIndustry: Intelligence & National SecurityType: Defense Engineering+47 more

Associated Earth Sciences Inc

Kirkland, WA

Integrated geotechnical engineering, geophysics, and hydrogeology consulting in the Pacific Northwest.

WebsitePhone2 offices7 projects61 leaders4 credentialsFounded 1981

Project: Bellevue Fire Station #10

Service: Geotechnical EngineeringService: Geotechnical Engineering StudiesService: Retaining Wall DesignIndustry: GovernmentIndustry: Public SafetyType: Geotechnical Engineering+35 more

Aubrey Testing Materials Engineering

Hialeah, FL

Geotechnical, environmental, and materials testing services in South Florida

WebsitePhone1 office8 leaders4 credentialsSize Estimate: 11-50 employeesUpdated Jun 2026

Service detail: Construction Material Testing

Service: Construction Material TestingService: Concrete Sampling and TestingService: Soil Density TestingIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+28 more

B2Z Engineering, LLC

Mission, TX

Building a Better Texas

Website5 offices3 projects1 credentialsFounded 2009Size Estimate: 20-75 employeesUpdated Jun 2026

Project: US 77 Geotechnical Investigation

Service: Plans, Specifications & Estimates (PS&E)Service: Highway and Road DesignService: Bridges and Structural DesignIndustry: Highways & RoadsIndustry: GovernmentType: Civil Engineering+38 more

BEKN Electrical Consultants, LLC

Cypress, TX

BEKN Electrical Consultants, LLC is an electrical power engineering and field services practice based in Cypress, Texas, and a registered engineering practice in the State of Texas. Services include power system engineering studies, protective relay applications and development, predictive and preventative maintenance, commissioning and startup support, and training. Field capabilities include protective relay testing, acceptance and maintenance testing of transformers, cables, breakers, and switchgear, and SCADA and HMI integration. BEKN offers 24-hour emergency services.

Website1 office2 leadersUpdated Jun 2026

Service detail: Power System Engineering Studies

Service: Power System Engineering StudiesService: Short Circuit AnalysisService: Arc Flash Hazard AnalysisIndustry: Oil & GasIndustry: HealthcareType: Electrical Engineering+28 more

Beton Consulting Engineers LLC

Mendota Heights, MN

We know the science behind your concrete.

WebsitePhone1 office4 projects6 leaders2 credentials4 publications

Project: St. Croix Crossing

Service: Thermal Control PlanService: Mass concrete temperature monitoringService: Concrete mixture proportion optimization to reduce heatIndustry: BridgesIndustry: CommercialType: Chemical Engineering+48 more

Building & Earth Sciences, Inc.

Birmingham, AL

The Benchmark for Professional Services

Website5 offices3 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical ConsultingService: Subsurface ExplorationIndustry: CommercialIndustry: InfrastructureType: Geotechnical Engineering+37 more

C6 Engineering, LLC

Electrical, Instrumentation & Controls Services

WebsiteUpdated Jun 2026

Service detail: Project Management and Consulting

Service: Project Management and ConsultingService: Project PlanningService: Feasibility StudiesIndustry: IndustrialIndustry: Renewable EnergyType: Electrical Engineering+30 more

CSRA Testing & Engineering

Augusta, GA

Established in 1968, CSRA Testing & Engineering provides environmental, geotechnical, and construction materials testing services to clients in the Augusta, Georgia region. Applying a roots-to-roof approach, CSRA Testing & Engineering delivers accurate, specific, and precise results from initial site preparation through project completion, serving development, retail, industrial, manufacturing, and government projects.

WebsitePhone1 office1 credentialsFounded 1968Updated Jun 2026

Service detail: Construction Materials Testing

Service: Construction Materials TestingService: Load potential testingService: Tensile strength testingIndustry: GovernmentIndustry: IndustrialType: Geotechnical Engineering+9 more

CXT Engineering

New York, NY

Critical infrastructure commissioning, electrical testing, and facility operations support.

WebsitePhone1 office1 leadersFounded 2019Updated Jun 2026

Service detail: Commissioning

Service: CommissioningService: Critical Systems Commissioning (Levels 1-5)Service: Retro-CommissioningIndustry: Data CentersIndustry: Mission Critical FacilitiesType: Electrical Engineering+44 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

Columbia Telecommunications Corporation

Bethesda, MD

Closing the digital divide

WebsitePhone1 office1 projectsUpdated Jun 2026

Project: Oregon Statewide Broadband Expansion Partnership

Service: Network Engineering & DesignService: High-Level Network DesignService: Detailed Outside Plant (OSP) EngineeringIndustry: TelecommunicationsIndustry: GovernmentType: Telecom / RF Engineering+26 more

Custom Engineering Solutions

Alpharetta, GA

An electrical, civil, and structural engineering corporation offering comprehensive utility and power services.

WebsitePhone2 offices3 leaders6 credentialsUpdated Jun 2026

Service detail: Substation Design and Relaying

Service: Substation Design and RelayingService: Physical Substation LayoutService: Protection and Control Panel DesignIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Civil Engineering+39 more

Dan Brown and Associates, LLC

Knoxville, TN

Specialists in Deep Foundation Design, Construction, and Testing and Slope Stability Problems

WebsitePhone1 office4 projects6 leaders11 credentials4 publications

Project: State Route 67 Bridge Repair

Service: Geotechnical EngineeringService: Deep Foundation DesignService: Deep Foundation Construction SupportIndustry: BridgesIndustry: TransportationType: Geotechnical Engineering+21 more