Companies headquartered in the United States, in Manufacturing 1,220,097 companies match this filter of 54,527,857 companies in the index (2.2%) landing 10 Sept 2026 https://stacklookup.ai/companies/hq-us/naics-31/naics-32/naics-33 | figure companies.hq-us.naics-31.naics-32.naics-33 | method https://stacklookup.ai/method/segment-count