Prescription drug

Where is Ascorbic Acid, Calcium Citrate, Iron Pentacarbonyl, Cholecalciferol, Pyridoxine 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
Mission Pharmacal Company7 ingredients · NDC 0178-0866The label doesn't name the factory. Plants this company names for other drugs