Public engineering firm directory

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Spire Engineering Services, LLC

Houston, TX

Smart Solutions for the Energy Industry

WebsitePhone1 office7 projects4 leaders4 credentials7 publications

Project: Floating Production Unit Bulkhead Repairs

Service: Structural Integrity ManagementService: Facility Inspection PlansService: Life Extension StudiesIndustry: Oil & GasIndustry: MarineType: Structural Engineering+16 more

Stress Engineering Services, Inc.

Houston, TX

Forward-thinking solutions and a tenacious commitment to cutting edge ideas.

Website2 offices1 credentialsFounded 1972Updated Jun 2026

Service detail: Engineering Design & Analysis

Service: Engineering Design & AnalysisService: Detailed Engineering & AnalysisService: Creative Design & Concept DevelopmentIndustry: AerospaceIndustry: DefenseType: Materials Engineering+34 more

Stryker Industrial Solutions

Houston, TX

Professional Engineering at your fingertips

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Pressure System Code Design

Service: Pressure System Code DesignService: Boiler and Pressure Vessel DesignService: Process and Power Piping DesignIndustry: Oil & GasIndustry: PetrochemicalType: Materials Engineering+16 more

TAI Engineers LLC

New Orleans, LA

Solutions Built for Tomorrow's Challenges

WebsitePhone2 offices6 projects5 leaders1 credentialsFounded 1993

Project: USCG Sentinel Class Heavy Polar Icebreaker

Service: Engineering and DesignService: Concept and Preliminary DesignService: Contract and Functional DesignIndustry: FederalIndustry: DefenseType: Marine Engineering+20 more

TLC Engineering, Inc.

Houston, TX

TLC Engineering, Inc. is a Houston-based practice providing multi-disciplinary engineering, environmental planning, construction management, and disaster recovery services. Established in 1994, it serves public, private, and municipal clients across Texas, the Gulf Coast, and national markets. It delivers turnkey services from conceptual design through facilities commissioning, with deep experience in infrastructure projects, pipeline design, and FEMA disaster recovery assistance.

WebsitePhone6 offices10 projects9 leadersFounded 1994Size Estimate: 1-50 employees

Project: Hurricane Harvey - City of La Marque Recovery

Service: EngineeringService: Structural Seismic Analysis and DesignService: Architectural Engineering and PlanningIndustry: GovernmentIndustry: Oil & GasType: Architecture & Engineering+41 more

TRICORD Consulting

Frisco, TX

We've Got Air Quality Covered

WebsitePhone7 offices6 leadersSize Estimate: 50-99 employeesUpdated Jun 2026

Service detail: Air Quality Permitting

Service: Air Quality PermittingService: Air Quality Regulatory Compliance AnalysisService: Control Technology AnalysisIndustry: Oil & GasIndustry: PetrochemicalType: Environmental Engineering+25 more

Titan Controls, LLC

Houston, TX

Industrial automation and process control engineering services

Website1 office5 projects5 credentialsFounded 2005Updated Jun 2026

Project: Sweeny Texas Automation Services

Service: Control System EngineeringService: Control System Conceptual DesignService: Control System SpecificationIndustry: Oil & GasIndustry: PetrochemicalType: Automation & Controls+16 more

Twinnovative LLC

Houston, TX

Integrating physical and digital worlds through engineering and technology solutions

WebsitePhone3 officesUpdated Jun 2026

Service detail: Digital Twin Technology

Service: Digital Twin TechnologyService: Physical Asset ReplicasService: Systems ReplicasIndustry: Oil & GasIndustry: PetrochemicalType: Simulation Engineering+26 more

Upstream Engineering

Houston, TX

Providing value-added engineering and EPC delivery throughout the project cycle

WebsitePhone1 office3 projects2 leadersFounded 2002Size Estimate: 10-50 employees

Project: Mizton Wellhead Platform

Service: Front End EngineeringService: Concept Select StudiesService: Pre-FEED & FEED EngineeringIndustry: Oil & GasIndustry: MarineType: Process Engineering+25 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

Virtual Integrated Analytics Solutions LLC

Houston, TX

Innovation Without Limits

WebsitePhone1 office1 credentialsFounded 2016Updated Jun 2026

Service detail: FEA Consulting Services

Service: FEA Consulting ServicesService: CFD Consulting ServicesService: EMAG Consulting ServicesIndustry: AerospaceIndustry: DefenseType: Simulation Engineering+23 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

Weisser Engineering & Surveying

Houston, TX

Committed to Providing Exceptional Engineering & Surveying Since 1967

WebsitePhone1 office2 leaders12 credentialsFounded 1967Updated Jun 2026

Service detail: Civil & Subsurface Utility Engineering

Service: Civil & Subsurface Utility EngineeringService: Land Surveying, Mapping & Digital ScanningService: Land-Use PlanningIndustry: InfrastructureIndustry: Land DevelopmentType: Civil Engineering+5 more

West Fork Engineering, LLC

Fort Worth, TX

Safe, reliable, and efficient engineering solutions for the oil and gas industry

WebsitePhone2 offices5 leaders6 credentialsUpdated Jun 2026

Service detail: Upstream Engineering

Service: Upstream EngineeringService: Production FacilitiesService: Produced Water Injection Well Facilities (SWDs)Industry: Oil & GasIndustry: PetrochemicalType: Civil Engineering+41 more

ZAP Engineering & Construction Services, Inc.

Lakewood, CO

Excellence in Execution

WebsitePhone2 offices7 projectsUpdated Jun 2026

Project: 60 MMSCFD Libby Gas Plant

Service: Civil and Structural EngineeringService: Civil EngineeringService: Structural Engineering DesignIndustry: Oil & GasIndustry: MiningType: Automation & Controls+34 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

iGET Services LLC

Houston, TX

With Professional Excellence!

WebsitePhone1 office8 credentialsSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Buildings and Facilities Design

Service: Buildings and Facilities DesignService: Disaster Resistant Home DesignService: Windstorm EngineeringIndustry: GovernmentIndustry: CommercialType: Architecture & Engineering+25 more

tQ Automation, LLC

Houston, TX

Field service engineering, control systems, and digital oilfield solutions

WebsitePhone1 office3 projects2 leadersUpdated Jun 2026

Project: Global Oil Services Company - MWD/LWD Product Development

Service: Engineering ConsultingService: Control System DesignService: Embedded System Design and DevelopmentIndustry: Oil & GasIndustry: Renewable EnergyType: Automation & Controls+18 more