American company rankings & reports
Rankings computed from the americancompanies.com directory and daily market data — updated automatically, citable with a link.
The 100 Largest American Companies by Market Cap (2026)
Ranking of the 100 biggest American companies in 2026 by market capitalization, with tickers, headquarters states and industries — computed from daily market data.
The 50 Largest American Manufacturers (2026)
The biggest US manufacturing and industrial companies in 2026, ranked by market capitalization with real figures.
States With the Most American Companies (2026)
Which US states are home to the most American companies? Full state-by-state ranking with each state's largest companies.
The Biggest Company in Every US State (2026)
The largest publicly traded company headquartered in each US state, ranked by market capitalization.