Pre-tapeout sign-off items: DRC and LVS clean, timing closure and handoff package completeness.
These templates are working guidance for your own process. Completing one does not certify a product or show that a standard has been met.
Companies in the directory that list this kind of work. Listings are the companies' own; these links are a starting point, not a recommendation.
A new version does not change a checklist already running: each one keeps the items it started with.