While a single, static "master PDF" of all approved vendors is rarely published for public download due to constant updates, specific versions and historical snapshots can be found: Adnoc Approved Supplier List - sciphilconf.berkeley.edu
If you are searching for an via Google, you are likely finding outdated or unauthorized documents. For accurate information, use the ADNOC Commercial Directory online portal. If you need a hard copy for internal verification, export the data from the portal to Excel or print to PDF from the official source. adnoc approved vendor list pdf