Prescription drug

Where is Cynodon Dactylon Pollen and Paspalum Notatum Pollen and Phleum Pratense Pollen 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
Antigen Laboratories, Inc. Mixture of Standardized and Non-Standardized Southeastern Grasses0.0167 g per 1 mL / 3333 [BAU] per 1 mL / 33333 [BAU] per 1 mL · NDC 49288-0243The label doesn't name the factory. Plants this company names for other drugs