Public engineering firm directory

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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

AT Engineering Services

Long Beach, CA

AT Engineering Services is a California consulting engineering practice providing mechanical, process, oil and gas, energy, petrochemical, chemical, pharmaceutical, industrial, and power engineering services. AT Engineering Services has operated since 1993 and supports clients with technical engineering design and consulting.

WebsitePhone1 officeFounded 1993Updated Jun 2026

Service detail: Mechanical and Plumbing Engineering

Service: Mechanical and Plumbing EngineeringService: Process EngineeringService: Heat Transfer and Piping DesignIndustry: Oil & GasIndustry: PetrochemicalType: Mechanical Engineering+10 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

AVH Engineering

Edmonton, AB

Providing benefits to our clients and the greater community through engineering excellence and creativity

WebsitePhone2 officesUpdated Jun 2026

Service detail: Pressure Equipment Services

Service: Pressure Equipment ServicesService: CircuitizationService: CML OptimizationIndustry: Oil & GasIndustry: PetrochemicalType: Forensic Engineering+20 more

Absg Consulting Inc

Spring, TX

Data-Driven Solutions for Risk and Reliability

WebsitePhone4 offices1 projects1 credentialsFounded 1971Size Estimate: 250-999 employees

Project: ISO 27001 Certification Implementation

Service: Risk and Safety ManagementService: Process SafetyService: Cultural Cause AnalysisIndustry: ChemicalsIndustry: GovernmentType: Process Safety Engineering+9 more

Acker & Associates

Green Bay, WI

Consulting engineering, audits and analysis

WebsitePhone1 office4 projects1 leaders3 credentials3 publications

Project: Curwood Gas-Fired Make-Up Air System Design

Service: Condensation & Moisture AnalysisService: Building Water Vapor TransmissionService: Blower Door & Infrared DiagnosticsIndustry: Pulp & PaperIndustry: IndustrialType: Mechanical Engineering+23 more

Advanced Cryogenics, Ltd

Tavernier, FL

Optimizing CO2 Management for Sustainability and Success

WebsitePhone1 office1 leaders6 publicationsSize Estimate: 1 employeesUpdated Jun 2026

Service detail: CO2 Source Evaluation

Service: CO2 Source EvaluationService: Technical Source AssessmentService: Business Viability AnalysisIndustry: Carbon CaptureIndustry: Oil & GasType: Process Engineering+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

Aiken Engineering Company

Houston, TX

Aiken Engineering designs and evaluates specialized equipment and components for critical service applications.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering Analysis

Service: Engineering AnalysisService: Finite Element AnalysisService: Engineering Design and DraftingIndustry: Oil & GasIndustry: Power GenerationType: Mechanical Engineering+15 more

Airflow Sciences Corporation

Livonia, MI

Engineered CFD Solutions

WebsitePhone1 officeFounded 1975Updated Jun 2026

Service detail: Computational Fluid Dynamics (CFD) Modeling

Service: Computational Fluid Dynamics (CFD) ModelingService: Combustion ModelingService: Dispersion ModelingIndustry: Emissions ControlIndustry: Power GenerationType: Mechanical Engineering+53 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

Alliance Technical Group

Decatur, AL

Alliance Technical Group is a full-service environmental services company founded in 2000 in Decatur, Alabama, with over 2,200 employees and more than 60 testing and laboratory locations across the United States and Canada. Alliance helps industrial, manufacturing, energy, and government clients achieve environmental compliance through on-site testing and monitoring, laboratory testing and analysis, and regulatory consulting. The company operates 110-plus mobile laboratories and delivers services across stack testing, LDAR, ambient air monitoring, CEMS, and environmental consulting.

WebsitePhone1 office4 leadersFounded 2000Updated Jun 2026

Service detail: Environmental Compliance

Service: Environmental ComplianceService: Regulatory StrategyService: Compliance AuditsIndustry: IndustrialIndustry: ChemicalsType: Environmental Engineering+19 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

Appendix R Solutions Inc

Hanover, VA

Providing unique multi-disciplinary engineering solutions

WebsitePhone1 office1 projectsFounded 2000Updated Jun 2026

Project: Post-Fukushima Safe Shutdown and Restart Support

Service: Fire Protection EngineeringService: Fire ModelingService: Classical Fire ProtectionIndustry: NuclearIndustry: Power GenerationType: Fire Protection Engineering+25 more

Argos Engineers

Torrance, CA

We are solution forward.

WebsitePhone1 office5 projectsFounded 2003Updated Jun 2026

Project: Piping Design

Service: Solid MechanicsService: Stress AnalysisService: Fatigue AnalysisIndustry: Oil & GasIndustry: ChemicalsType: Mechanical Engineering+31 more

Arnold & Associates, Inc.

Roswell, GA

Arnold & Associates, Inc. (A&A) is an Operations and Maintenance (O&M) engineering consulting practice founded in 1988 and based in Roswell, Georgia. It provides professional engineering, training, technical O&M consulting, and staff support services. Its capabilities serve industrial and utility systems, steam and electric power generation, building HVAC systems, and similar facility operations. The practice specializes in the efficient management and utilization of personnel, energy, rotating equipment, boilers, steam and combustion turbines, and diesel-engine-driven components. It also offers technical recruiting, energy conservation surveys, and professional power engineering licensing preparation seminars.

Website1 office2 credentialsFounded 1988Updated Jun 2026

Service detail: Operations & Maintenance Consulting

Service: Operations & Maintenance ConsultingService: Procedures Review and UpdatingService: O&M Personnel EvaluationsIndustry: Power GenerationIndustry: Oil & GasType: Mechanical Engineering+29 more

Arup

We shape a better world

Website19 projects6 leadersUpdated Jun 2026

Project: LGA Delta Terminal C

Service: TransportationService: Airport Design and InfrastructureService: Airport PlanningIndustry: Arts & CultureIndustry: AviationType: Architecture & Engineering+47 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

B&W Energy Services

Deer Park, TX

B&W Energy Services is an ISO 9001:2015 certified firm headquartered in Deer Park, TX, specializing in pre-commissioning and commissioning services for complex energy facilities worldwide. It delivers industrial cleaning, flushing, and inspection services including its proprietary AquaLazing process, steam blowing, chemical cleaning, and high-velocity oil flushing across the oil and gas, petrochemical, power generation, LNG, renewable energy, and data center sectors.

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Pre-Commissioning and Commissioning Services

Service: Pre-Commissioning and Commissioning ServicesService: AquaLazingService: Steam BlowingIndustry: Power GenerationIndustry: Oil & GasType: Process Engineering+15 more

BCP Engineers & Consultants

Metairie, LA

Bridging the Gap Between Design and Operations

WebsitePhone1 office12 leadersFounded 1981Updated Jun 2026

Service detail: Engineering & Project Management

Service: Engineering & Project ManagementService: Engineering ConsultingService: Outage ManagementIndustry: NuclearIndustry: Power GenerationType: Power & Utility Engineering+25 more

Baghouse Duct Design dot Com

Golden, CO

Dust Collection Consultant & Industrial Ventilation Engineer

WebsitePhone1 office4 projects1 leaders1 credentialsFounded 2004

Project: Cartridge Collector Venting for Chemical Ribbon Blenders

Service: Air Pollution Control System DesignService: Baghouse and Cartridge Collector SystemsService: Wet ScrubbersIndustry: ManufacturingIndustry: Food & BeverageType: Environmental Engineering+19 more

Bailey and Son Engineering, Inc.

Greenville, SC

Bailey and Son Engineering, Inc. (BaSE) is a Greenville, South Carolina-based structural engineering consulting firm established in January 1991. BaSE provides structural analysis, design, and construction documents for industrial, manufacturing, and commercial clients. Its portfolio spans power and wastewater treatment facilities, automotive and food production plants, K-12 and collegiate educational facilities, healthcare and civic buildings, and worship and sports facilities. The firm also offers forensic engineering and expert witness services.

WebsitePhone2 offices4 leadersFounded 1991Updated Jun 2026

Service detail: Structural Analysis and Design

Service: Structural Analysis and DesignService: Structural Steel, Concrete, Masonry, and Wood Framing DesignService: Equipment Foundations and Process Support StructuresIndustry: IndustrialIndustry: ManufacturingType: Structural Engineering+20 more

Becht

Liberty Corner, NJ

The Complete Central Engineering Partner

WebsitePhone1 office5 leadersFounded 1964Updated Jun 2026

Service detail: Electrical, Instrumentation and Controls

Service: Electrical, Instrumentation and ControlsService: Mechanical Integrity and ReliabilityService: Corrosion, Materials and IntegrityIndustry: ChemicalsIndustry: IndustrialType: Automation & Controls+25 more

Beton Consulting Engineers LLC

Mendota Heights, MN

We know the science behind your concrete.

WebsitePhone1 office4 projects6 leaders2 credentials4 publications

Project: St. Croix Crossing

Service: Thermal Control PlanService: Mass concrete temperature monitoringService: Concrete mixture proportion optimization to reduce heatIndustry: BridgesIndustry: CommercialType: Chemical Engineering+48 more