20 most profitable companies

Exxon Mobil was the most profitable company last year by far, raking in $39.5 billion in earnings. Who else made the top 20?

ConocoPhillips
8. ConocoPhillips
No. 5 on the Fortune 500 this year is another big oil company that's reaped handsome profits thanks to record crude oil prices in 2006. But it wasn't oil prices alone: ConocoPhillips managed to boost profits by 15%, to $15.5 billion, on only 4% revenue growth.

Exxon Mobil

UAL

Citigroup

Bank Of America

General Electric

Pfizer

Chevron

ConocoPhillips

J.P. Morgan Chase

American Intl. Group

Microsoft

Altria Group

Wal-Mart Stores

Johnson & Johnson

Berkshire Hathaway

Goldman Sachs Group

IBM

Procter & Gamble

Wells Fargo

Owens Corning
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