Altair Engineering, Inc.

Subsidiaries. Subsidiary totals of 20 or more are rounded; subsidiaries recorded only in the licensed database are counted, not named.

Licensed supply-chain database. A licensed supply-chain database records 2 customers and 17 partners of Altair Engineering, Inc. beyond the public records, where its match to a Scrutica record rests on more than a name. The fan and country totals count them; the relationship lists give their names and observed listing months alone. Public relationships keep their own names and citations. Licensed sales years and amounts are not attached to them. The database lists 6 as of September 2026 and 1 as of March 2026. Its latest lists no longer include 1 last listed in May 2026 and 11 last listed in March 2026. A removed listing does not establish that the relationship ended. The database’s exact figures are withheld. Stock-price correlations appear only in fixed half-unit bands.

Names and pale marks. The companies named at the foot of each side lead the live record’s ledger: most current records first, ties in the ledger’s own order. What each supplies or buys is read from its latest dated record. A public counterparty is drawn pale when every record it has is a disclosure more than 5 years old or has ended.

Identity. Variant identifiers are resolved to one organisation before its data is combined.