Public engineering firm directory

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3 Phase Associates LLC

Chattanooga, TN

Electrical Engineering and Consulting Services

Website1 office2 credentialsFounded 2016Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Power System CalculationsService: Arc Flash AnalysisIndustry: UtilitiesIndustry: Power Transmission & DistributionType: Electrical 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

ASR Engineering Inc.

Portland, ME

Precision Industrial Control and Automation Engineering

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Industrial Control Automation Engineering

Service: Industrial Control Automation EngineeringService: PLC and PAC ProgrammingService: HMI DevelopmentIndustry: Food & BeverageIndustry: Renewable EnergyType: Automation & Controls+26 more

Acropolis Engineers

Raleigh, NC

Engineering. Delivered.

WebsitePhone2 offices1 projects4 leaders1 credentialsFounded 2014

Project: Critical Process Equipment SCADA Monitoring System

Service: Equipment Optimization & MaintenanceService: Equipment Installation & CommissioningService: Preventative & Scheduled MaintenanceIndustry: Automation & ControlsIndustry: Life SciencesType: Automation & Controls+14 more

Advanced Automation LLC

Dover, NH

New England automation solutions and custom machinery

WebsitePhone1 office6 credentialsUpdated Jun 2026

Service detail: Automation Systems Integration

Service: Automation Systems IntegrationService: Robotic Machine TendingService: Robotic Machining SystemsIndustry: ManufacturingIndustry: DefenseType: Automation & Controls+23 more

Advanced Control Services Inc

Dorado, PR

Empowering Your Automation Projects

WebsitePhone1 officeFounded 1999Updated Jun 2026

Service detail: Controls and Automation

Service: Controls and AutomationService: PLC and SCADA ProgrammingService: Control Panel IntegrationIndustry: CommercialIndustry: IndustrialType: Automation & Controls+18 more

Advanced Integration Group, Inc.

McKees Rocks, PA

Be in Control.

WebsitePhone1 office2 projects5 credentialsUpdated Jun 2026

Project: Lock and Dam Control Systems - Ohio River

Service: Control Systems Design and ImplementationService: PLC ProgrammingService: SCADA DevelopmentIndustry: Power GenerationIndustry: ManufacturingType: Automation & Controls+37 more

Ahavah Automation

Dallas, TX

Turnkey Installation & System Integration

WebsitePhone1 office7 projects4 leadersFounded 2009Updated Jun 2026

Project: Amazon Warehouse Automation & Conveyor System Installation

Service: Electrical EngineeringService: Electrical DesignService: Panel FabricationIndustry: ManufacturingIndustry: IndustrialType: Automation & Controls+25 more

Aldac Components Inc.

Modesto, CA

A Structural Systems Manufacturer, Not a Commodity Supplier

WebsitePhone1 office6 projectsUpdated Jun 2026

Project: Old Auburn Rd

Service: Truss Design & ManufacturingService: Roof Truss Design & FabricationService: Floor Truss Design & FabricationIndustry: Multifamily ResidentialIndustry: HospitalityType: Structural Engineering+12 more

Allan Integrated Control Systems, Inc.

East Troy, WI

Intelligent Automation Solutions

WebsitePhone1 office2 leaders2 credentialsFounded 1969Updated Jun 2026

Service detail: SCADA Systems

Service: SCADA SystemsService: Conceptual and Functional DesignService: Systems and Software DevelopmentIndustry: Water SupplyIndustry: WastewaterType: Automation & Controls+24 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

Annex Engineering Group

Columbus, OH

Founded in 2017, Annex Engineering Group is a service-oriented MEP and fire protection engineering firm based in Columbus, Ohio. Annex offers mechanical, electrical, plumbing, and fire protection coordination engineering for projects ranging from office remodels, multi-family residential, and restaurants to manufacturing/industrial facilities and historical renovations. Licensed in 49 states and Washington D.C., Annex serves as the prototype engineer for several national clients, establishing design standards that reduce construction costs and timelines while increasing consistency and quality.

WebsitePhone1 officeFounded 2017Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC System DesignService: Central Plant SystemsIndustry: CommercialIndustry: RetailType: MEP+31 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

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

Automated Motion Inc.

Lee's Summit, MO

The Top Design Engineers in Kansas City

WebsitePhone1 officeUpdated Jun 2026

Service detail: Design Engineering

Service: Design EngineeringService: Contract ManufacturingService: Custom Product DevelopmentIndustry: AerospaceIndustry: AutomotiveType: Electrical Engineering+5 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

B&C Transit Inc.

Oakland, CA

Engineering Human Solutions

WebsitePhone4 officesUpdated Jun 2026

Service detail: Train Control Systems

Service: Train Control SystemsService: Networked Central Control SystemsService: Train Local Control Panel SystemsIndustry: TransitIndustry: RailType: Automation & Controls+16 more

Brugh Industrial Engineering

Indianapolis, IN

Full Service Automation and Engineering

WebsitePhone1 office1 projects2 leaders3 credentialsUpdated Jun 2026

Project: Tappan Zee Bridge Leveling Control System

Service: Industrial Robot IntegrationService: FANUC Robot IntegrationService: UR Collaborative Robot IntegrationIndustry: Automation & ControlsIndustry: RoboticsType: Automation & Controls+27 more

CAT Technologies, LLC

Willoughby, OH

Turnkey Industrial Dust Collection and Vacuum Systems

WebsitePhone1 officeUpdated Jun 2026

Service detail: Air Pollution Control and Environmental Systems

Service: Air Pollution Control and Environmental SystemsService: Industrial Dust Collection SystemsService: Air Filtration and Mist EliminationIndustry: MetalsIndustry: ManufacturingType: Process Engineering+24 more

Campbell Technical Services

Twin Falls, ID

Campbell Technical Services (CTS) is a licensed, bonded, and insured consulting and contracting firm based in Twin Falls, Idaho, providing operations improvement, energy efficiency, process engineering, and project management solutions worldwide since 2005. CTS holds state contractor licenses in Idaho, Nevada, Montana, North Dakota, Washington, and Oregon, and operates a certified panel shop accredited by Intertek ETL for C/US compliance.

WebsitePhone1 office10 credentialsFounded 2005Updated Jun 2026

Service detail: Operations Improvement Consulting

Service: Operations Improvement ConsultingService: Energy Efficiency Through Process OptimizationService: Process Improvement ConsultingIndustry: IndustrialIndustry: ManufacturingType: Process Engineering+7 more

Cascade Integration & Development, Inc.

Bend, OR

Cascade Integration & Development, Inc. is a Bend, Oregon-based control systems integration firm serving West Coast utilities, manufacturers, and process industries since 2004. It delivers custom automation solutions, PLC and HMI programming, SCADA upgrades, MES integration, panel design and fabrication, and OT cybersecurity support for water, wastewater, manufacturing, food and beverage, pharmaceutical, chemicals, utilities, and oil and gas operations.

WebsitePhone1 officeFounded 2004Updated Jun 2026

Service detail: Control Systems Integration

Service: Control Systems IntegrationService: PLC ProgrammingService: HMI ProgrammingIndustry: Automation & ControlsIndustry: ManufacturingType: Automation & Controls+16 more

Chestnut Key Enterprises LLC

Rochester Hills, MI

Engineered Noise & Vibration Control. Measured Results.

WebsitePhone1 office3 projects8 leadersFounded 2001Size Estimate: 1-9 employees

Project: MIT W1 Building Renovation

Service: Acoustic Consulting & DesignService: Architectural Acoustic Design AssistService: Engineering Analysis & Acoustic DesignIndustry: CommercialIndustry: IndustrialType: Acoustic Consulting+26 more

Citadel Engineering Company

Salt Lake City, UT

Where Precision Meets Reliability

WebsitePhone1 office15 credentialsFounded 2015Updated Jun 2026

Service detail: Engineering Design

Service: Engineering DesignService: Feasibility Studies and Project PlanningService: Detailed Design and AnalysisIndustry: Oil & GasIndustry: Power GenerationType: Process Engineering+53 more

Claymore Group LLC

Daphne, AL

Multi-Discipline Engineering, Design, and Precision Fabrication

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Road and Bridge DesignService: Water Systems EngineeringIndustry: IndustrialIndustry: ManufacturingType: Civil Engineering+52 more