Since 1986, Welder Testing Inc. (WTI) has been a trusted leader in welder qualification and welding procedure testing, serving the greater Houston area with excellence. Our facility was established to provide a modern, high-quality welder testing center that is centrally located to the Houston Ship Channel, Bay Port area, and Houston’s Heavy Industry sector. With nearly four decades of experience, we have built a reputation for precision, professionalism, and an unwavering commitment to the welding industry.
We understand that passing a welding test is crucial for career advancement, and we are committed to giving every welder the best possible chance to succeed. Our inspectors and staff work closely with welders to ensure they understand the testing requirements, giving them the knowledge and confidence they need to perform at their best. Our goal is to set welders up for success while maintaining the highest level of integrity in testing and certification.
Since 1986, Welder Testing Inc. (WTI) has been a trusted leader in welder qualification and welding procedure testing in the greater Houston area. With over 150 years of combined experience, our team understands that expertise is the foundation of excellence. We have worked with welders across industries such as oil and gas, shipbuilding, petrochemical, power generation, and heavy manufacturing, ensuring they meet the highest industry standards.
Inspector
Inspector, CWI
Inspector | Lab Technician
Inspector
Inspector
Office Manager
Our facility is designed to provide welders with the ideal environment for certification. We offer 46 fully equipped, well-lit welding booths, each spacious and optimized for efficiency. In addition, we have covered outdoor testing areas specifically designed for API 1104 pipeline testing, ensuring welders can test under industry-specific conditions. Each booth is set up to allow welders to focus on their craft without distractions, providing a professional setting for accurate and efficient testing.
Our testing process is overseen by a team of AWS Certified Welding Inspectors (CWIs), ensuring that all tests meet the strictest compliance standards. Essential and non-essential welding variables are closely monitored to maintain accuracy, helping welders achieve certifications that meet industry requirements.
At WTI, we specialize in welder qualifications and welding procedures in compliance with all major industry codes and standards. We offer:
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Sam Chavez is the President of Welder Testing Inc., bringing nearly two decades of experience to his role as its newest leader. After 18 years of driving operational excellence within the company, Sam took the next step in his commitment to Welder Testing Inc. by becoming it’s President in 2026.
As a Certified Welding Inspector (CWI), Sam brings a hands-on, technically grounded approach to leadership. His extensive background in welding inspection, shop operations, and quality assurance gives him a thorough understanding of every facet of the business — from daily facility management to regulatory compliance and customer experience.
Under his leadership, Welder Testing Inc. remains dedicated to providing welders with a seamless, professional, and high-quality testing experience. Sam’s vision is rooted in the same principles that have guided his work for nearly two decades: operational excellence, integrity, and a commitment to the craft.
Glenn Peloquin Director
Glenn Peloquin has been a leader in welder testing and training since 1970, bringing over five decades of expertise to the industry. In January 1997, he acquired Welder Testing Inc. and served as its President, establishing the company as a trusted provider of welder qualification testing in the Greater Houston area. He later continued in a leadership capacity as Vice President and now Director.
Glenn’s lifelong dedication to the craft and his commitment to the highest standards in welder certification and training remain at the core of everything Welder Testing Inc. stands for. His unparalleled experience continues to be a guiding force for the company and a valuable resource for the welders and customers it serves.
David Peloquin is the former President of Welder Testing Inc., bringing over 30 years of experience in weld inspection and quality assurance. His career began in the early 1990s in field inspection work, where he developed a strong foundation in industry standards and compliance. After leading Welder Testing Inc. as President, David has transitioned into a WPS/PQR Technical Consultant role, where his expertise and guidance continue to be an integral part of the company’s operations.
David has been a Certified Welding Inspector (CWI) for over 20 years and also holds an API 510 certification as a pressure vessel inspector — a credential rooted in his extensive field inspection background. In his consulting role, David continues to lend his deep technical expertise in Welding Procedure Specifications (WPS) and Procedure Qualification Records (PQR), supporting the company’s commitment to precision, compliance, and excellence.
His decades of leadership and technical knowledge remain a valued asset to Welder Testing Inc. and to the welders and customers the company serves throughout the Greater Houston area.
Since joining Welder Testing Inc. in 2015, Spencer Sweeting has been an integral part of the team. With nearly a decade in the company, he focuses primarily on welding procedure development and qualification documentation, ensuring compliance with industry standards. As a Certified Welding Inspector (CWI), Spencer brings extensive welding and inspection expertise to the table, helping to refine and uphold rigorous testing protocols. While he still assists with welder qualification testing, his primary role is in developing procedures and maintaining documentation that supports both welders and quality control personnel.
As the primary point of contact for welder qualification testing at Welder Testing Inc., Adam Cobb ensures that each welder is properly signed in and assigned the correct certification test. With a background as a welder before transitioning into quality control and inspection, Adam brings firsthand industry experience to his role. Now an AWS Certified Welding Inspector (CWI), he works closely with customers to determine their specific qualification needs and provides detailed test information to shop inspectors for administration. Adam’s expertise, attention to detail, and customer-focused approach make him a key liaison between welders, quality control teams, and the companies they serve.
With over 35 years of experience in the metallurgical field, Alfred Briones brings extensive expertise to Welder Testing Inc.’s Metallurgical Laboratory. As Laboratory Manager, he oversees all metallurgical testing processes, ensuring accuracy, compliance, and quality in every analysis. His deep knowledge and hands-on experience make him a valuable resource for clients seeking reliable and precise testing solutions. Alfred is always available to assist with your metallurgical testing needs, providing expert guidance and support.
