Public engineering firm directory

Find engineering consulting firms by capability and location.

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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

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

Front Energies

Houston, TX

Floating System Engineering

WebsitePhone1 office1 projects2 credentials1 publicationsUpdated Jun 2026

Project: PentaSemi 15 MW Floating Substructure Development

Service: Time Domain Structural AnalysisService: Strength and Buckling AssessmentService: Fatigue AnalysisIndustry: WindIndustry: Oil & GasType: Naval Architecture+14 more

LJB Inc.

Lima, OH

Improving the quality of life for the clients, communities and individuals we serve.

Website10 offices5 projects1 leaders4 credentialsFounded 1966Updated Jun 2026

Project: Woodland Avenue Pump Station Rehab

Service: Structural EngineeringService: Tilt-Up Concrete DesignService: Composite Bridge DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+45 more

SRI Global, Inc.

Houston, TX

Professional Design Engineers and Consultants

Website1 office6 projects1 leaders1 credentialsFounded 2011Updated Jun 2026

Project: Cheniere LNG SIS Proof Testing and Risk Assessments

Service: Process EngineeringService: Front-End Engineering Design (FEED)Service: Process Hazard Analysis (PHA)Industry: Oil & GasIndustry: PetrochemicalType: Process Engineering+36 more

Synergeer Engineering

Houston, TX

Leaders in Quality Engineering and Design

WebsitePhone1 office1 credentialsSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Engineering & Design

Service: Engineering & DesignService: Structural EngineeringService: Civil EngineeringIndustry: CommercialIndustry: IndustrialType: Civil Engineering+11 more

Viking Systems

Houston, TX

Ship & Offshore Structure Design & FEA Assessments

WebsitePhone6 offices6 projectsFounded 2000Size Estimate: 20-75 employeesUpdated Jun 2026

Project: LCS Freedom Class Structural Design Assessment

Service: Offshore Structural EngineeringService: FPSO Hull FEA & Class Notation (ABS DLA, DNV FMS, BV VeriSTAR)Service: Topsides & Topsides Support Structure DesignIndustry: Oil & GasIndustry: DefenseType: Defense Engineering+48 more

Vista Projects

Houston, TX

Integrated engineering and system integration for industrial energy projects.

Website1 officeFounded 1985Updated Jun 2026

Service detail: Integrated Engineering Consulting

Service: Integrated Engineering ConsultingService: Process EngineeringService: Civil, Structural, Mechanical, Electrical, and I&C EngineeringIndustry: Oil & GasIndustry: PetrochemicalType: Process Engineering+17 more

Waldemar S. Nelson & Co., Inc.

New Orleans, LA

Engineering is the Foundation of Civilization

WebsitePhone2 offices2 projects2 credentials2 publicationsFounded 1945

Project: Artemis II Space Mission Engineering

Service: Civil, Structural and Architectural EngineeringService: Civil Site and Infrastructure DesignService: Structural Engineering for Complex FacilitiesIndustry: Oil & GasIndustry: PetrochemicalType: Architecture & Engineering+34 more

Woolpert

Beavercreek, OH

Global resources. End-to-end solutions. Innovative results.

WebsitePhone8 offices3 projects8 leaders9 credentialsFounded 1911

Project: USACE I-ATLAS Coastal Mapping and Nautical Charting

Service: ArchitectureService: Mission-Critical ArchitectureService: Education Facility ArchitectureIndustry: AviationIndustry: AirportsType: Architecture & Engineering+48 more

Zentech Technical Services Inc

Houston, TX

Innovative Engineering, Project Management, and Software Solutions for Marine and Offshore Assets

WebsitePhone6 offices4 projects5 leaders2 credentialsFounded 1978

Project: JANA 506 Jack-Up Barge

Service: Engineering ServicesService: Naval ArchitectureService: Structural EngineeringIndustry: MarineIndustry: Oil & GasType: Marine Engineering+16 more