Company Rankings

America’s
Best-Run
Companies

We rank America’s largest publicly traded companies according to Peter Drucker’s principles of effectiveness—“doing the right things well.”

1. Microsoft
2. Amazon.com
3. Apple
4. Intl Business Machines
5. Intel

Keep reading the complete 2021 rankings of all 846 companies here.

Find out more about how we rank companies.

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separate indicators provide an extraordinarily holistic look at a company’s effectiveness

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