As far as I am aware of, Jeppesen appears to be the main distributor of navigational data (Airports, SIDs, STARs, IAPs etc.) coded in ARINC424 format. However, I can not find on its site any product based on the aforementioned digital format. Moreover, all related links are currently broken (e.g. ARINC 424 NavData Services, previously active based on google cache).
Could someone shed some light on this?