This query will help you to get supplier details like supplier name, supplier number, supplier site in Oracle Fusion ERP Application.
SELECT PS.SEGMENT1 AS "SUPPLIER NUMBER", HP.PARTY_NAME AS "SUPPLIER NAME", PSSAM.VENDOR_SITE_CODE AS "SUPPLIER SITE" FROM HZ_PARTIES HP, POZ_SUPPLIER_SITES_ALL_M PSSAM, POZ_SUPPLIERS PS WHERE PSSAM.PAY_SITE_FLAG = 'Y' AND PSSAM.VENDOR_ID = PS.VENDOR_ID AND PS.PARTY_ID = HP.PARTY_ID ORDER BY HP.PARTY_NAME;