Aminoglycoside Antibacterial, Polymyxin-class Antibacterial

Where is Neomycin and Polymyxin B 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
XGen Pharmaceuticals DJB, Inc.40 mg per 1 mL / 200000 [USP'U] per 1 mL · NDC 39822-1201, 39822-1220The label doesn't name the factory. Plants this company names for other drugs