Apple has taken the top spot in Fortune’s most admired companies for the fourth straight year.

[ad#Google Adsense 300×250 in story]Fortune asked businesspeople to vote for the companies they most admired, in any industry. Following behind Apple is Google, a company that has been increasingly competing with Apple in more markets over the last couple of years.

Rounding out the top 20 companies on Fortune’s list of 50 are Berkshire Hathaway; Southwest Airlines; Procter & Gamble; Coca-Cola; Amazon.com; FedEx; Microsoft; McDonald’s; Wal-Mart Stores; IBM; General Electric; Walt Disney; 3M; Starbucks; Johnson & Johnson; Singapore Airlines; BMW; and American Express.

You can view the list by location, best and worst, No.1s or by industry.