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

AEPC Group, LLC

Santa Clarita, CA

We build confidence

WebsitePhone1 office1 projects4 leadersUpdated Jun 2026

Project: Offset Success for Aviation Client

Service: ArchitectureService: Schematic and Conceptual Design DevelopmentService: Construction Documents and SpecificationsIndustry: AerospaceIndustry: AviationType: Architecture & Engineering+40 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

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

ATSI, Inc.

Amherst, NY

Changing the World Since 1977

WebsitePhone1 officeFounded 1977Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Front-End Engineering & Design (FEED)

Service: Front-End Engineering & Design (FEED)Service: FEL-1: Conceptual Engineering & FeasibilityService: FEL-2: Planning & Specification DevelopmentIndustry: Renewable EnergyIndustry: ChemicalsType: Process Engineering+39 more

Alliance Engineers & Project Consultants

Beaumont, TX

Multidisciplined EPCM

WebsitePhone1 office5 projects1 leadersSize Estimate: 50-200 employeesUpdated Jun 2026

Project: Bringing Ground-Breaking Water-from-Air Technology to Market

Service: Project DevelopmentService: Phased Front-End LoadingService: Front-End Engineering DesignIndustry: Carbon CaptureIndustry: ChemicalsType: Automation & Controls+43 more

Ampirical

Partnering with you to deliver innovative, reliable energy solutions that enhance lives and strengthen the grid.

Website3 projects1 credentialsSize Estimate: 250-500 employeesUpdated Jun 2026

Project: 230kV Transmission Line EPC

Service: Substation EngineeringService: Full physical, civil, structural, and P&C designService: Grounding, shielding, and lightning protectionIndustry: Electric UtilitiesIndustry: Power GenerationType: Automation & Controls+58 more

Apex Engineering, PLLC

Calvert City, KY

Apex Engineering, PLLC is a full-service multi-discipline engineering firm headquartered in Calvert City, Kentucky, incorporated in 1974. Through its family of companies - Apex Controls Specialists and Apex Modular Extrusion Systems - it provides engineering, automation, and design-build services for industrial clients. Clients include major producers of specialty chemicals, polymers, refrigerants, nonferrous metals, coal, aggregates, electric power, rubber, elastomer products, pulp, and paper.

WebsitePhone2 officesFounded 1974Updated Jun 2026

Service detail: Specialty Engineering

Service: Process EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: ChemicalsIndustry: MetalsType: Civil Engineering+35 more

Aura Engineering, LLC

Pearland, TX

A Leading Innovator in Engineering and Design Services

WebsitePhone1 office5 projects2 leaders1 credentials11 publications

Project: Hayti, MO - Railcar to Marine Transfer Facility

Service: Storage Terminal EngineeringService: Storage and Transfer Facility DesignService: Project Feasibility StudiesIndustry: PetrochemicalIndustry: ChemicalsType: Automation & Controls+36 more

Beacon Engineers

Bothell, WA

Multi-discipline industrial engineering and owner's representation services

WebsitePhone1 officeFounded 1999Updated Jun 2026

Service detail: Engineering Design Services

Service: Engineering Design ServicesService: Civil and Structural DesignService: Mechanical and Piping SystemsIndustry: IndustrialIndustry: ManufacturingType: Civil Engineering+21 more

Beta Engineering

Pineville, LA

Beta Engineering is a high-voltage EPC firm that designs, procures, and constructs substation and transmission line projects across the US for utilities, renewable developers, data centers, and industrial customers. Founded in 1975 as part of the Crest Industries family of companies, Beta delivers turnkey EPC solutions and factory-built substations under its Agile by Beta product line, and has helped clients connect more than 6,000 MW of renewable energy to the grid.

WebsitePhone1 officeFounded 1975Updated Jun 2026

Service detail: Turnkey EPC Substations

Service: Turnkey EPC SubstationsService: Factory-Built SubstationsService: Engineering ServicesIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+4 more

Black & Veatch

Building a World of Difference®

WebsiteSize Estimate: 13,000 employeesUpdated Jun 2026

Service detail: Fuels

Service: Infrastructure AdvisoryService: ConstructionService: Power GenerationIndustry: Power GenerationIndustry: Power Transmission & DistributionType: EPC+22 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

Brown & Root Industrial Services, LLC

Baton Rouge, LA

Comprehensive engineering, construction, maintenance, turnarounds, and specialty services for industrial facilities.

Website4 offices1 credentialsUpdated Jun 2026

Service detail: Plan & Design

Service: Plan & DesignService: EngineeringService: EstimatingIndustry: IndustrialIndustry: Oil & GasType: Industrial Engineering+27 more

CSD Engineers, LLC

Pittsburgh, PA

Engineering & Management Solutions

WebsitePhone1 office2 leaders4 credentialsFounded 2008Updated Jun 2026

Service detail: Project Management and Controls

Service: Project Management and ControlsService: Project ManagementService: Project Controls and SchedulingIndustry: Oil & GasIndustry: PetrochemicalType: Civil Engineering+37 more

Campos EPC, LLC

Denver, CO

The Leader In Energy Infrastructure

WebsitePhone20 offices1 projects11 leaders3 publicationsFounded 2005

Project: 350MW Data Center Power Generation & Substation Facility

Service: EngineeringService: Pipeline EngineeringService: Transmission And Midstream Pipeline DesignIndustry: Oil & GasIndustry: UtilitiesType: EPC+51 more

Commonwealth Associates, Inc.

Jackson, MI

Experience the power of partnership.

WebsitePhone1 office11 projects6 credentialsSize Estimate: 50-199 employeesUpdated Jun 2026

Project: 500MW Solar Farm Engineering & System Studies

Service: Renewable Energy EngineeringService: Solar PV DesignService: Battery Energy Storage SystemsIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+44 more

Current Edge Solutions

Savannah, GA

Unique Solutions, Practical Expertise from Concept through Execution

WebsitePhone4 offices5 projects4 credentialsFounded 2019Updated Jun 2026

Project: Ft. Eisenhower Microgrid Project

Service: Utility Electrical EngineeringService: DOT Coordination & Utility RelocationsService: Distribution Planning & Reliability StudiesIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+28 more

Denali Engineering Services LLC

Denver, CO

Bringing Innovation to Today's Technical Challenges

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering Design

Service: Engineering DesignService: Structural EngineeringService: Electrical EngineeringIndustry: ManufacturingIndustry: NuclearType: Mechanical Engineering+30 more

EPCM Inc.

Burke, VA

Quality and client satisfaction with innovation and credibility.

WebsitePhone2 offices3 projects3 leaders2 credentialsFounded 1998

Project: Main Process Train

Service: Electrical EngineeringService: Power Distribution and GenerationService: Lighting DesignIndustry: CommercialIndustry: GovernmentType: Electrical Engineering+35 more

EV Engineering LLC

Alpharetta, GA

Solar and energy storage engineering

WebsitePhone1 officeUpdated Jun 2026

Service detail: Solar and Energy Storage Engineering

Service: Solar and Energy Storage EngineeringService: PV Plan DevelopmentService: Ground-Mount System DesignIndustry: SolarIndustry: Energy StorageType: Electrical Engineering+16 more

EVS, Inc.

Eden Prairie, MN

Changing the Way the World Produces Power.

WebsitePhone1 office6 projects7 leadersFounded 1979Updated Jun 2026

Project: Noble Solar

Service: Civil EngineeringService: Solar Site Design & GradingService: Water Resources EngineeringIndustry: SolarIndustry: Energy StorageType: Civil Engineering+48 more

Effective Project Corporation

Overland Park, KS

Innovation in Design + Design/Build

WebsitePhone1 officeFounded 2000Updated Jun 2026

Service detail: Conceptualization

Service: ConceptualizationService: Preliminary Project ReportsService: Feasibility StudiesIndustry: Power GenerationIndustry: IndustrialType: Process Engineering+44 more

Electric Utility Consultants, LLC

Expert substation and transmission & distribution engineering services

Website1 leadersUpdated Jun 2026

Service detail: Substation Engineering

Service: Substation EngineeringService: Protection and Controls DesignService: Physical Electrical LayoutIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+21 more