We use cookies to give you the best online experience. By using this website you agree with our cookie policy.
TJ|H2b Analytical Services is the largest group of independent analytical laboratory and consulting firms in the world, specializing in diagnostic testing of oil, gas, and other insulating materials used in high-voltage equipment. With over 25 years of expertise, we are pioneers in the development and application of condition-based maintenance (CBM) programs, serving electric utilities, industrial high-voltage power suppliers, and service companies.
TJ|H2b provides the high-voltage electric power industry with innovative diagnostic and predictive analytical services, enabling clients to optimize maintenance operations with improved reliability and cost-effectiveness.
We strive to be the global industry leader in testing and diagnostic services for high-voltage electrical equipment maintenance management. Our commitment is to set the highest standards in quality and service, leveraging cutting-edge technology and information services. We are dedicated to furthering industry knowledge and best practices through state-of-the-art testing methods, diagnostic protocols, and contract research. We uphold the highest standards of ethics, integrity, and fairness in all our business dealings.
Our leadership team brings decades of experience and dedication to all aspects of our services. Together, they ensure TJ|H2b remains the trusted partner for clients worldwide.



TJ|H2b has developed four proprietary diagnostic evaluations for differing types of high voltage electrical equipment.
TechCon® North America Conference & Exhibition is organized and produced by TJ|H2b Analytical Services, an experienced leader in the oil analysis industry. Through TechCon and other educational initiatives, we promote knowledge sharing and professional growth within the industry.
With 11 strategically located facilities worldwide, TJ|H2b is the largest independent group of analytical laboratory and consulting firms in the high-voltage electric power industry. This global reach enables us to provide unmatched global industry insights and data resources.
Our evaluations give our customers comprehensive condition assessments that are not always covered by standard practices.
We don’t do sampling or equipment maintenance because our priority is on diagnostics. Our objective data and recommendations are based only on our decades of research.
We are always working to improve diagnostic information and industry knowledge so we can continually enhance our service offerings and stay ahead of changes in the industry.
TJ|H2b actively supports environmental sustainability by adhering to ISO 14001 standards across all our 11 locations. This commitment reflects our dedication to minimizing environmental impact while providing excellent service.
Our Integrated Management System (IMS) was designed to ensure our data is accurate, complete, consistent, and reliable. TJ|H2b laboratories are certified and accredited by internationally recognized Certification Bodies (CB) and Accreditation Bodies (AB), including:
For copies of our certifications (ISO 9001, ISO 14001, ISO 45001) or accreditations (ISO/IEC 17025, Environmental Accreditations), please contact IMS Program Manager Jaleesa Ferris at ferris@tjh2b.com.
We use cookies to give you the best online experience. By using this website you agree with our cookie policy.