Prescription drug

Where is Aesculus Hippocastanum, Arnica Montana, Calendula Officinalis, Echinacea Purpure made?

1 company sell it under their own name. None of their labels names the factory.

Companies and their factories

Company on the labelFactoryWhereLast FDA inspection
Ohm Pharma Inc.1 [hp_X]/96.5g / 1 [hp_X]/96.5g / 1 [hp_X]/96.5g / 1 [hp_X]/ · NDC 66096-341The label doesn't name the factory. Plants this company names for other drugs