Public engineering firm directory

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3Bears Technical Services

Hixson, TN

Experts in Nuclear Operations and Waste Management Solutions

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Engineering and Project Management

Service: Engineering and Project ManagementService: Mechanical EngineeringService: Electrical EngineeringIndustry: NuclearIndustry: Environmental & RemediationType: Environmental Engineering+31 more

A.W. Schultz Inc.

Shawnee, KS

Trusted Engineering and Integration Since 1977

WebsitePhone1 office3 credentialsFounded 1977Updated Jun 2026

Service detail: Process Control and SCADA Systems

Service: Process Control and SCADA SystemsService: Process Visualization & HMI/OITService: PLC ProgrammingIndustry: Water SupplyIndustry: WastewaterType: Automation & Controls+25 more

AG3 Group, LLC

San Antonio, TX

Civil Services with a Forward-Thinking Approach

WebsitePhone8 offices14 projects5 leaders2 credentialsUpdated Jun 2026

Project: VIA Park and Ride at Stone Oak

Service: Civil EngineeringService: Transportation DesignService: Drainage and Stormwater ManagementIndustry: GovernmentIndustry: TransportationType: Civil Engineering+25 more

AKRF

AKRF is a multidisciplinary consulting and engineering firm with more than 400 employees across 16 offices and remote locations nationwide. It provides integrated environmental, planning, engineering, and technical services to clients in land development, transportation, energy, and water sectors. AKRF's expertise spans environmental impact assessment, civil engineering, traffic and transportation planning, acoustics, geotechnical engineering, water resources, site remediation, landscape architecture, and climate resilience and adaptation.

Website8 leadersSize Estimate: 400 employeesUpdated Jun 2026

Service detail: Environmental Services

Service: Environmental ServicesService: Environmental Impact AssessmentService: Air QualityIndustry: Land DevelopmentIndustry: TransportationType: Civil Engineering+50 more

ALLWEST Testing & Engineering

Delivering quality solutions - by providing service through integrity

Website1 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Environmental ConsultingService: Construction MonitoringIndustry: AerospaceIndustry: AirportsType: Environmental Engineering+25 more

AMS Corporation

Knoxville, TN

Innovating Nuclear Technology

WebsitePhone1 office10 leaders5 credentialsFounded 1977Size Estimate: 100 employees

Service detail: I&C Performance Testing

Service: I&C Performance TestingService: Online Monitoring (OLM)Service: Reactor Thermal Power CalculationsIndustry: NuclearIndustry: Oil & GasType: Automation & Controls+20 more

ARM EnerTech Associates, LLC

Johnstown, PA

Precise. Responsive. Solutions.

WebsitePhone4 offices4 projects7 credentialsFounded 1976Updated Jun 2026

Project: Fresh Water Withdrawal Station

Service: Automation & Control ServicesService: Supervisory Control & Data Acquisition (SCADA)Service: Industrial Process ControlIndustry: ManufacturingIndustry: UtilitiesType: Automation & Controls+31 more

Abercrombie & Associates, Inc.

Cincinnati, OH

Civil Engineering and Land Surveying

WebsitePhone1 office5 projects11 leaders3 credentialsFounded 1976

Project: Amazon Distribution Facility

Service: Civil EngineeringService: Roadway and utility design for private and public developmentsService: Stormwater detention and drainage resolutionIndustry: CommercialIndustry: RetailType: Civil Engineering+34 more

Acoustical Engineering Consultants

Elk Grove, CA

Engineering a quieter world and optimizing aural environments, one project at a time.

WebsitePhone2 offices8 projects2 leaders4 credentialsFounded 2008

Project: CalSTRS Headquarters 2.0

Service: Architectural AcousticsService: Room Acoustics Measurement and AnalysisService: Reverberation and Diffusion EngineeringIndustry: EducationIndustry: HealthcareType: Acoustic Consulting+36 more

Adams, Rehmann & Heggan Associates, Inc.

Hammonton, NJ

You See Us Every Day

Website1 office1 projects10 leaders2 credentialsFounded 1935Size Estimate: 90 employees

Project: Braddocks Mill Dam

Service: Civil and Municipal EngineeringService: Road and Infrastructure DesignService: Stormwater ManagementIndustry: GovernmentIndustry: TransportationType: Civil Engineering+38 more

Air Resource Specialists, Inc.

Fort Collins, CO

A leader in the field of air quality for over 40 years.

Website1 office8 projects1 leaders2 credentials3 publicationsSize Estimate: 35 employees

Project: National Park Service Air Quality Conditions & Trends Website

Service: Air MonitoringService: Criteria Pollutants MonitoringService: Toxics & Hazardous Air PollutantsIndustry: GovernmentIndustry: FederalType: Environmental Engineering+33 more

Allied Corrosion Industries, Inc.

Marietta, GA

Bringing 40+ Years of Experience to Solve Your Corrosion Challenges

WebsitePhone1 office1 leaders7 credentialsFounded 1980Updated Jun 2026

Service detail: Cathodic Protection Services

Service: Cathodic Protection ServicesService: Cathodic Protection DesignService: Cathodic Protection InstallationIndustry: Oil & GasIndustry: UtilitiesType: Electrical Engineering+23 more

Amaracon Testing & Inspections, LLC

Hicksville, NY

Raising the Quality Standard

Website1 office11 projects3 credentialsSize Estimate: 5-50 employeesUpdated Jun 2026

Project: NY Botanical Garden Dome

Service: Special InspectionsService: Concrete InspectionsService: Structural Steel InspectionsIndustry: InfrastructureIndustry: TransportationType: Materials Testing+33 more

Amtech Aeronautical Limited

Medicine Hat, AB

Aeronautical Design, Defence R&D, and Industrial Automation

Website1 office5 projects2 credentialsFounded 1995Updated Jun 2026

Project: Viking DHC-6 Series 400 Phase 2A Avionics Upgrade Certification

Service: Aeronautical Engineering and CertificationService: Aircraft Modifications and Repairs DesignService: Regulatory Design ApprovalsIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+19 more

Applied Automation and Controls, Inc.

Expert Automation & Control Solutions for Oil & Gas

Website5 credentialsUpdated Jun 2026

Service detail: Automation & Control Systems Engineering

Service: Automation & Control Systems EngineeringService: Data Acquisition SystemsService: SCADA and HMI DevelopmentIndustry: Oil & GasIndustry: IndustrialType: Automation & Controls+27 more

ArcSine Engineering

Redding, CA

The Expert's Expert.

WebsitePhone2 offices4 projects3 credentialsFounded 1978Size Estimate: 25-50 employees

Project: Town of Windsor SCADA System

Service: Electrical EngineeringService: Lighting Design and ModelingService: Power System StudiesIndustry: WastewaterIndustry: Water SupplyType: Automation & Controls+33 more

Astra Engineering LLC

Twin Falls, ID

Industrial Design, Automation, and Engineering Solutions

WebsitePhone1 office2 projects4 credentialsSize Estimate: 10-50 employeesUpdated Jun 2026

Project: Heritage Academy Campus Expansion

Service: Construction EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: ManufacturingIndustry: MiningType: Civil Engineering+32 more

Autologic LLC

North Chesterfield, VA

Electrical and Controls Engineering, Design, & Programming Services

WebsitePhone2 offices4 projects5 leaders2 credentialsFounded 2001

Project: Fiberight BioFuel Recycling Facility - Turnkey Control System

Service: Electrical and Controls EngineeringService: Electrical DesignService: Control Panel DesignIndustry: MiningIndustry: Power GenerationType: Automation & Controls+45 more

Automation Control Service LLC

Pensacola, FL

Control System Integrator specializing in Automation & Information Systems

WebsitePhone1 office8 credentialsFounded 2003Updated Jun 2026

Service detail: Municipal & Industrial Automation

Service: Municipal & Industrial AutomationService: PLC & HMI ProgrammingService: SCADA & DCS IntegrationIndustry: GovernmentIndustry: IndustrialType: Automation & Controls+23 more

Bath Group, LLC

Corpus Christi, TX

A quality-conscious engineering practice dedicated to achieving client expectations through responsible engineering

Website3 offices4 leaders12 credentialsFounded 1957Size Estimate: 50+ employeesUpdated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Low Voltage SystemsService: Medium Voltage SystemsIndustry: CommercialIndustry: EducationType: Electrical Engineering+25 more

Bayside Engineering Group

Lynden, WA

Coker Automation and Safety By Design

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Coker Automation Technology

Service: Coker Automation TechnologyService: Bottom Unheading CartsService: Remote Top Unheading SystemsIndustry: Oil & GasIndustry: PetrochemicalType: Mechanical Engineering+17 more

Benchmark Data & Control, LLC

Specialized test engineering, remote data acquisition, and physics-based rail modeling

WebsiteUpdated Jun 2026

Service detail: Test Engineering

Service: Test EngineeringService: Experiment Design and Test SetupService: Test Stand Automation and MonitoringIndustry: TransportationIndustry: AutomotiveType: Mechanical Engineering+14 more

Blue Sky Scientific LLC

San Diego, CA

Delivering creative solutions to your hardest problems

Website1 office6 projectsFounded 2006Updated Jun 2026

Project: Boxing Tracking Broadcast Technology

Service: Embedded Systems EngineeringService: Firmware and Operating System DevelopmentService: Custom PCB and Hardware DesignIndustry: CommercialIndustry: Consumer ProductsType: Automation & Controls+16 more

Bromgrove

Brighton, GA

Providing Engineering, Procurement, Construction and Management solutions globally

Website3 offices3 projects1 leadersFounded 2010Size Estimate: 45 employeesUpdated Jun 2026

Project: WEXMAC 2.0

Service: Engineering ManagementService: International Standards and Code ComplianceService: PEB/LEB Structures with In-House MICC ABMIndustry: FederalIndustry: DefenseType: Civil Engineering+80 more