Stock directory5,000 companies

US stocks by sector

The largest companies listed on US exchanges, grouped by sector and industry

$97.3T

total market cap

The 5,000 largest companies listed on US exchanges, grouped by the sector of their main revenue. Each company has its own page with financial statements, revenue by segment, shareholders, insider trades and filings.

Market cap as of October 23, 2026

Companies

5,000

Sectors

12

Industries

654

Largest sector

Technology

$37.0T market cap

Sectors

By total market cap

Companies are grouped by the sector and industry of their main source of revenue. Market caps in US dollars. 382 companies without a sector yet are not listed; search for them on Stock Market.

Largest companies by sector

See all 567 companies →
See all 1,381 companies →
See all 766 companies →
See all 232 companies →
See all 435 companies →

Energy

$5.08T
See all 211 companies →
See all 273 companies →
See all 318 companies →
See all 171 companies →

Utilities

$1.73T
See all 87 companies →
See all 130 companies →
See all 47 companies →
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