International Standard Industrial Classification of All Economic Activities, Rev.4North American Industry Classification System 2022
ISIC Rev 4 21 to NAICS 2022
No direct ISIC Rev 4 to NAICS 2022 mapping is available for code 21. Related crosswalks to other systems appear below.
About ISIC Rev 4 21
21 Manufacture of basic pharmaceutical products and pharmaceutical preparationsThis division includes the manufacture of basic pharmaceutical products and pharmaceutical preparations.