Public engineering firm directory

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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

Alliance Automation & Control, Inc.

Rogersville, AL

No project too large, no requirement too detailed.

WebsitePhone1 office1 credentialsFounded 2000Updated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Electrical DesignService: Automation & ControlsIndustry: AutomotiveIndustry: ChemicalsType: Automation & Controls+12 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

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

Cintar Inc.

Glenshaw, PA

Multidisciplinary Engineering & Consulting Services

Website1 office1 projects7 credentials5 publicationsFounded 1983Size Estimate: 100+ employees

Project: ATI Shanghai STAL Project

Service: Civil & Structural EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: MetalsIndustry: Power GenerationType: Civil Engineering+31 more

Clear Process Engineering & Technology

Covington, LA

Boiler, combustion, thermal, and steam systems engineering.

WebsitePhone1 office4 projects9 leadersFounded 2015Updated Jun 2026

Project: BFB boiler for high-moisture biomass - South America

Service: Energy AuditsService: Boiler Efficiency EvaluationService: Loss and Opportunity RankingIndustry: Power GenerationIndustry: Biomass & BioenergyType: Process Engineering+74 more

Downs Engineering, Inc.

West Monroe, LA

Experience. Accountability. Trust.

WebsitePhone1 office1 leaders12 credentialsFounded 2010Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Structural and foundation designService: Large rotating equipment foundationsIndustry: Oil & GasIndustry: ChemicalsType: Civil Engineering+16 more

Hill-Engineers, Architects, Planners, Inc.

Dalton, MA

Largest Full-Service Architecture & Engineering Firm in Western MA

WebsitePhone1 office5 projects1 credentialsFounded 1949Size Estimate: 11-50 employees

Project: Weidmann Electrical Technologies Facility

Service: ArchitectureService: Sustainable DesignService: EngineeringIndustry: Pulp & PaperIndustry: IndustrialType: Architecture & Engineering+25 more

LHB, Inc.

At the Forefront of Design for Our Changing World

Website4 credentialsUpdated Jun 2026

Service detail: Structural Engineering

Service: ArchitectureService: Civil EngineeringService: Structural EngineeringIndustry: BridgesIndustry: Renewable EnergyType: Architecture & Engineering+35 more

Live Oak Consultants LLC

North Charleston, SC

HDR | LOC provides full-service engineering and consulting from North Charleston, South Carolina. Disciplines span Civil, Structural, Mechanical, Electrical, Security, and Forensic Engineering, supported by project management and planning advisory services for clients in industrial, government, healthcare, commercial, and educational sectors.

WebsitePhone1 office22 projects1 leadersUpdated Jun 2026

Project: Solvay USA - Chemical Facility Security

Service: Civil EngineeringService: Site DevelopmentService: Utilities DesignIndustry: AutomotiveIndustry: CommercialType: Civil Engineering+39 more

Mid-South Engineering Company

Hot Springs, AR

Experience and Innovation Working for You

WebsitePhone5 offices6 projects8 leadersFounded 1969Size Estimate: 25-100 employees

Project: West Virginia OSB Facility

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: Wood ProductsIndustry: Pulp & PaperType: Civil Engineering+27 more

Quality Execution, Inc.

Mt. Vernon, IN

Premium Suppliers of Engineering, Procurement and Construction Management Services

WebsitePhone2 offices1 leadersFounded 1994Updated Jun 2026

Service detail: Preliminary Engineering

Service: Preliminary EngineeringService: Conceptual Engineering & Feasibility AssessmentService: Basic Engineering Package (BEP) / FEEDIndustry: Oil & GasIndustry: PetrochemicalType: Process Engineering+32 more

Verus

From analytics to connected facilities, we are enabling the journey to digitally transform industry

WebsiteUpdated Jun 2026

Service detail: Consulting

Service: ConsultingService: Project Business Case DevelopmentService: Automation StrategyIndustry: Oil & GasIndustry: ManufacturingType: Electrical Engineering+20 more