Altera has a quality system that meets ISO 9001:2008. Altera is audited periodically by the National Standards Authority of Ireland (NSAI), and a copy of the certificate is available here.
Altera's STACK Certification
Altera Corporation has been audited by STACK International and continues to meet the full requirements of the STACK International StackTrak - Supplier Certification Program.
The latest certification can be obtain here.
Altera partners with Taiwan Semiconductor Manufacturing Company Ltd. (TSMC) to obtain nearly all of the silicon wafers it uses. TSMC has a quality system that meets both ISO 9000 and TS16949.
Altera partners with independent subcontractors, located primarily in Asia, to assemble and test its semiconductor products. All of these partners have quality systems that meet ISO 9000 and TS 16949.