Question 1

Which ace inhibitors molecule has the most API manufacturers?

Accepted Answer

Ramipril, with 21 manufacturers holding an active regulatory filing, of which 14 hold an active US DMF or a valid CEP. Counts come from the FDA drug master file list and the EDQM certificate database, as at 9 July 2026.

Question 2

How many API manufacturers cover the ace inhibitors class?

Accepted Answer

Across the 4 ace inhibitors molecules tracked here (ATC C09AA), 69 active filings are held by manufacturers worldwide. Some companies file for several molecules in the class, so the per-molecule pages name each holder.

ACE inhibitors: API manufacturers by molecule

Ramipril API manufacturers

Enalapril API manufacturers

Lisinopril API manufacturers

Perindopril API manufacturers

Map any of these molecules

Other therapeutic classes