Public engineering firm directory

Find engineering consulting firms by capability and location.

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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

AED Energy Services

Wyomissing, PA

Designing America's Energy Lifelines

WebsitePhone4 offices9 leaders4 credentialsFounded 1989Updated Jun 2026

Service detail: Chemical and Process Design

Service: Chemical and Process DesignService: Documentation and AnalysisService: Specialized CalculationsIndustry: Oil & GasIndustry: PetrochemicalType: Chemical Engineering+64 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

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

AZE Engineering

Abu Dhabi, VA

Built on Precision. Trusted on Landmark Projects.

Website2 offices8 projects6 leaders3 credentialsFounded 2019Size Estimate: 15-50 employees

Project: Triple Bay Marina Village

Service: Structural & Construction EngineeringService: Structural DesignService: Precast EngineeringIndustry: AirportsIndustry: Arts & CultureType: Architecture & Engineering+22 more

Adley Services, LLC

Lafayette, LA

Onshore or offshore. Upstream, midstream, or downstream.

WebsitePhone1 office4 leadersSize Estimate: 10-50 employeesUpdated Jun 2026

Service detail: Facilities Engineering and Design

Service: Facilities Engineering and DesignService: Offshore and Onshore Facilities DesignService: Industrial and Refining Facility EngineeringIndustry: Oil & GasIndustry: PetrochemicalType: Process Safety Engineering+27 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

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

Altura Engineering & Design LLC

Amarillo, TX

Engineering, Architecture, Procurement, and Construction

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering Services

Service: Engineering ServicesService: Mechanical Engineering & DesignService: Civil Engineering & DesignIndustry: Oil & GasIndustry: PetrochemicalType: Mechanical Engineering+16 more

Anguil Environmental Systems

Milwaukee, WI

Innovative Pollution Control Technologies

WebsitePhone1 office3 credentialsFounded 1978Updated Jun 2026

Service detail: Air Pollution Control

Service: Air Pollution ControlService: Regenerative Thermal Oxidizers (RTOs)Service: Catalytic Recuperative Oxidizers (CATOXs)Industry: ManufacturingIndustry: Food & BeverageType: Environmental Engineering+22 more

Apex PetroConsultants LLC

Where Deep Ethylene Expertise Meets Strategic Decision-Making

Website7 projects1 leaders2 publicationsSize Estimate: 1-9 employeesUpdated Jun 2026

Project: 10% CAPEX Reduction for Integrated Mixed-Feed Complexes

Service: Project Development and Execution OversightService: Independent Technology SelectionService: FEED and Detailed Engineering ReviewIndustry: PetrochemicalIndustry: ChemicalsType: Chemical Engineering+20 more

Applied Engineering Group P.S.C.

Rio Piedras, PR

Applied Engineering Group P.S.C. is a professional engineering firm established in 2006 in San Juan, Puerto Rico, providing design, construction, and project compliance solutions to a broad range of industries. It specializes in high-compliance projects for regulated sectors including pharmaceutical, petrochemical, hospitality, and federal government clients. Applied Engineering Group offers services spanning project development, construction management, electrical systems assessment and inspection, ADA/UFAS compliance, cGMP audits, and validation and regulatory compliance support. It also operates subdivisions for electrical and general construction (Applied Construction) and laboratory products distribution (Novateq).

WebsitePhone1 office5 leadersFounded 2006Updated Jun 2026

Service detail: Project Development

Service: Project DevelopmentService: Construction ManagementService: Electrical System Assessment & InspectionIndustry: PharmaceuticalIndustry: PetrochemicalType: Civil Engineering+10 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

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

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

BHP Engineering & Construction, L.P.

Corpus Christi, TX

Engineering for Complex Industrial Facilities

WebsitePhone3 offices5 projects3 leaders2 credentialsFounded 1983

Project: Phillips 66 - Dock Facilities

Service: Engineering ServicesService: Civil and Structural EngineeringService: Piping and InstrumentationIndustry: PetrochemicalIndustry: Oil & GasType: Civil Engineering+17 more

Baker Engineering and Risk Consultants, Inc.

San Antonio, TX

Better Risk Management Starts Here

WebsitePhone1 office2 projects1 leaders2 publicationsFounded 1984

Project: HF Alkylation Unit Detailed Risk Analyses

Service: Accident InvestigationService: Root-Cause AnalysisService: Incident ReconstructionIndustry: ChemicalsIndustry: PetrochemicalType: Fire Protection Engineering+39 more

Barron's Environmental Solutions - In Time!, Inc.

Roswell, NM

An environmental services company.

WebsitePhone1 office1 leaders2 credentialsFounded 1998Updated Jun 2026

Service detail: Environmental Management

Service: Environmental ManagementService: Employee Management and TrainingService: Environmental Compliance AuditsIndustry: Environmental & RemediationIndustry: Oil & GasType: Environmental Engineering+11 more

Bayside Engineering Group

Lynden, WA

Coker Automation and Safety By Design

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Coker Automation Technology

Service: Coker Automation TechnologyService: Bottom Unheading CartsService: Remote Top Unheading SystemsIndustry: Oil & GasIndustry: PetrochemicalType: Mechanical Engineering+17 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

Blast Resource Group

Houston, TX

Your trusted, single-source solution for all things blast

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Engineering Services

Service: Engineering ServicesService: Facility SitingService: Consequence AnalysisIndustry: Oil & GasIndustry: PetrochemicalType: Simulation Engineering+37 more

Blot Engineering, Inc.

Cape Coral, FL

Integrity, Excellence, and Quality

WebsitePhone2 offices7 projects6 credentialsUpdated Jun 2026

Project: Fort Myers Country Club Floor Repairs

Service: Structural EngineeringService: Structural Analysis and DesignService: Disaster Recovery EngineeringIndustry: GovernmentIndustry: UtilitiesType: Civil Engineering+37 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