About Us

About Us

Geothermal Wellhead Experts withDecades of Field-Proven Experience

TNG Energy Services Inc. is a trusted leader in geothermal industrial services, specializing in wellhead and valve sales, inspection, service, and field repair. With over 30 years of proven performance, we are known for our technical expertise, premium equipment standards, and unwavering dedication to safety and customer satisfaction.
We are the only geothermal service company offering rigless wellhead repair through our proprietary GWERT™ technology—an efficient, cost-saving solution designed to minimize operational disruption. Our rigless approach reduces time, cost, and complexity—delivering measurable value in every deployment.

As part of our comprehensive field service support, TNG provides highly trained technicians ready to mobilize quickly and assist directly at the well site. Whether it’s post-installation support, technical training for Field Maintenance Crews and Steam Field Managers, or guidance for valve repair shops, our team delivers expert service wherever and whenever it’s needed.
TNG & Century Drilling partner on rigless valve change solution in NZ
TNG & MBC Complete First Wellhead Repair
2016 Geothermal Power Production Report

Our Commitment to Safety Protecting People, Assets, and Performance

At TNG Energy Services Inc., safety is not just a policy—it’s a core principle that drives every aspect of our geothermal industrial operations. Our commitment to health, safety, and environmental protection ensures the well-being of our employees, the integrity of our services, and the confidence of our clients.
As a leading geothermal service provider, TNG has implemented a comprehensive Safety Management System designed to protect personnel, safeguard property and resources, and uphold our reputation in the communities we serve. We are an active ISNetworld-compliant contractor.
TNG ISN Company ID#: 400-233894
Learn more about ISN
Safety Infrastructure & Best Practices

Safety Infrastructure & Best Practices

To ensure full regulatory compliance and proactive risk mitigation, TNG has established:

  • A cross-functional Safety Team that includes both labor and management representatives
  • Proactive safety processes to assess and monitor potential risk exposures in the field
  • Continuous employee training programs aligned with OSHA standards and customer-specific IIPP requirements
  • Integration of safety practices into all phases of production planning, performance management, and field operations
  • A robust risk control strategy supporting both internal safety culture and client obligations
Our Safety Program Goals

Our Safety Program Goals

TNG’s Safety Program is designed to:

  • Embed a safety-first culture across all operations, from wellhead service to valve repair
  • Ensure full accountability in every department for upholding safety protocols and team decisions
  • Stay ahead of evolving safety standards, legislative requirements, and environmental expectations
  • Train and certify our workforce through ongoing, industry-recognized safety courses and audits
  • Support our clients’ safety compliance while maintaining operational excellence and uptime

We invite you to review TNG’s General Safe Code Practices for a deeper look at the standards that shape our work in the geothermal sector.

Our Commitment to Quality Precision, Performance, and Continuous Improvement

At TNG Energy Services Inc., delivering consistent, high-quality results is the cornerstone of our geothermal service operations. Whether we’re supporting wellhead systems or field valve repair, we are committed to exceeding customer expectations through disciplined processes, technical accuracy, and an unwavering dedication to long-term performance. —
Process-Driven Quality Management

Process-Driven Quality Management

TNG maintains a process-based Quality Management System (QMS) that reflects internationally recognized standards for industrial service excellence. Our QMS integrates quality assurance into every stage of our operations—from planning and procurement to field execution and follow-up. This structured, process-oriented approach enables us to:

  • Align operations with global quality expectations
  • Ensure repeatable and measurable service performance
  • Minimize variability and control quality at every touchpoint
  • Continuously improve outcomes through internal audits and feedback loops
Built for Operator Confidence

Built for Operator Confidence

Our leadership team is fully invested in creating a culture of quality—one where every technician, project lead, and support staff member shares responsibility for delivering exceptional service. Quality is not a one-time check; it’s embedded in the way we work, communicate, and support our clients.
Through a combination of process discipline, responsive field support, and real-time quality monitoring, TNG Energy Services ensures geothermal operators can rely on us to get the job done right—every time.