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

AMG, Inc.

Dayton, OH

Industrial Facility Engineering

WebsitePhone1 office12 projects1 leaders2 credentials2 publications

Project: Calcium Carbonate Production Plant

Service: Process EngineeringService: PFD and P&ID DevelopmentService: Material and Energy Balance SimulationIndustry: ChemicalsIndustry: Food & BeverageType: Automation & Controls+73 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

Cara Engineering, P.C.

New York, NY

Engineering Design and Analysis for Transit and Critical Facilities

WebsitePhone2 offices12 projectsUpdated Jun 2026

Project: Metro-North C-16 Pelham Substation Incoming Utility Service Design & Ground Grid Design

Service: Transit and Traction Power EngineeringService: Traction Power DesignService: Signal Power DesignIndustry: TransitIndustry: RailType: Electrical Engineering+19 more

Delta Engineering Group LLC

Building What Matters

Website11 projects10 leaders6 credentialsUpdated Jun 2026

Project: Gulu-Nimule Highway Upgrade

Service: Engineering Design ServicesService: Civil & Transportation EngineeringService: Structural & Bridge EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+40 more

ELCON Technologies

Bridgeville, PA

Engineering Services and Solutions for Automation, Electrical Power, and Electromechanical Processes

WebsitePhone2 offices10 credentialsFounded 1988Updated Jun 2026

Service detail: Industrial Automation and Process Control

Service: Industrial Automation and Process ControlService: Machine ControlService: Process Control and SCADAIndustry: Automation & ControlsIndustry: IndustrialType: Electrical Engineering+24 more

Electro Design Engineering, Inc.

Riverview, FL

Leaders in Quality Construction, Engineering and Automation

WebsitePhone5 offices3 projects1 credentialsFounded 1985Size Estimate: 300+ employees

Project: 23 MW Solar Array

Service: Engineering & Design ServicesService: Budget Cost EstimatesService: Power and Distribution SystemsIndustry: IndustrialIndustry: ManufacturingType: Electrical Engineering+36 more

Emprise Corporation

Kennesaw, GA

Custom Test Equipment, Test Stands, Technical Centers and Test Facilities

WebsitePhone1 office1 projects1 credentialsFounded 1981Size Estimate: 10-50 employees

Project: General Electric Test Stand 8

Service: Test Facility Design & IntegrationService: Front-End Planning (Proof Design)Service: Facility & Equipment IntegrationIndustry: AutomotiveIndustry: AerospaceType: Mechanical Engineering+18 more

Equagen Engineers PLLC

Raleigh, NC

Engineering by Ingenuity

Website1 office2 credentialsSize Estimate: 51-200 employeesUpdated Jun 2026

Service detail: Substation Engineering

Service: Substation EngineeringService: Feasibility StudiesService: Site Selection and EvaluationIndustry: Power Transmission & DistributionIndustry: Renewable EnergyType: Power & Utility Engineering+54 more

Hallberg Engineering, Inc.

White Bear Lake, MN

Design excellence that delivers enduring value.

Website2 offices4 leaders6 credentialsFounded 1979Size Estimate: 40+ employeesUpdated Jun 2026

Service detail: Mechanical Engineering and Design

Service: Mechanical Engineering and DesignService: HVAC SystemsService: Boiler and Chilled Water PlantsIndustry: CommercialIndustry: EducationType: Electrical Engineering+28 more

Highground Services, Inc.

Franklin, VA

Committed to being an innovative solution provider of quality professional and technical services.

WebsitePhone1 office1 projects5 credentialsUpdated Jun 2026

Project: Southampton High School Athletic Fields Lighting

Service: EngineeringService: Electrical Systems EngineeringService: Interior, Exterior, and Site Lighting DesignIndustry: IndustrialIndustry: CommercialType: Electrical Engineering+54 more

INF Associates LLC

New York, NY

Turnkey energy solutions for the decarbonization of buildings and transportation

WebsitePhone4 offices3 credentialsUpdated Jun 2026

Service detail: Engineering Services

Service: Engineering ServicesService: On-Site Energy ManagementService: Energy Studies and AuditsIndustry: CommercialIndustry: IndustrialType: Electrical Engineering+27 more

Isaiah Engineering, Inc.

Mobile, AL

Building the Future

WebsitePhone1 officeFounded 2003Size Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Construction Management

Service: Construction ManagementService: Construction Cost Estimating and Cost ControlService: Project Planning and SchedulingIndustry: FederalIndustry: GovernmentType: Automation & Controls+58 more

Motor City Electric Co.

Detroit, MI

Full-Service Electrical Contractor

WebsitePhone1 office8 projects5 credentialsFounded 1952Updated Jun 2026

Project: Little Caesars Arena

Service: Turnkey Electrical ContractingService: Design-BuildService: Design-AssistIndustry: AutomotiveIndustry: HealthcareType: Electrical Engineering+36 more

Power Resources International, Inc.

West Babylon, NY

The New York metro's leader in automation solutions.

WebsitePhone1 office9 projects4 credentialsFounded 1992Size Estimate: 25-50 employees

Project: Canarsie Line (L Train) PA/CIS Upgrades

Service: Project ManagementService: Infrastructure Project Lifecycle ManagementService: Contract and Closeout DocumentationIndustry: RailIndustry: TransitType: Automation & Controls+55 more

Prudent Engineering, LLP

East Syracuse, NY

Transforming Infrastructure with Passion and Kindness

WebsitePhone1 office12 projects3 leaders6 credentialsSize Estimate: 25-50 employees

Project: Court Street Dam Rehabilitation Engineer of Record Services

Service: Bridge and Structural DesignService: Superstructure and Substructure DesignsService: Water Control Structure DesignsIndustry: GovernmentIndustry: TransportationType: Civil Engineering+52 more

Shah & Associates, Inc.

Gaithersburg, MD

Providing Innovative Solutions to Complex Problems for Over 40 Years

WebsitePhone1 office13 projectsFounded 1977Size Estimate: 20-75 employeesUpdated Jun 2026

Project: Washington Suburban Sanitary Commission Electrical Engineering

Service: Electrical Engineering DesignService: Building electrical systems designService: Distribution systems designIndustry: WastewaterIndustry: Water SupplyType: Automation & Controls+62 more

Stoddard Power Systems, LLC

Eugene, OR

Experts in Electrical Power Systems Engineering

WebsitePhone1 office1 projects8 leaders1 credentialsSize Estimate: 1-10 employees

Project: New GSU Switchyard at RS Kerr Dam

Service: Power System DesignService: Substation and Distribution DesignService: Turnkey Design-Build ServicesIndustry: Power GenerationIndustry: Electric UtilitiesType: Electrical Engineering+24 more

Stonebridge Technical Enterprises, Ltd.

Fenton, MI

Industrial Automation Specialists

WebsitePhone2 offices5 projects2 credentialsUpdated Jun 2026

Project: Automatic Crane Control System Upgrade

Service: Industrial Automation EngineeringService: Assembly AutomationService: Pressroom AutomationIndustry: ManufacturingIndustry: AutomotiveType: Automation & Controls+40 more