THT-EX Officially Approved and Listed on ADNOC AVL A Strategic Milestone in the Middle East Energy Supply Chain THT-EX is pleased to announce that it has been officially approved and listed on the Abu Dhabi National Oil Company (ADNOC) Approved Vendor List (AVL). ADNOC is one of the world’s leading national energy companies, operating under a highly rigorous supplier qualification framework that includes comprehensive technical documentation review, quality management system