London, August 19 : Research in Motion (RIM), the developer of the hit Blackberry smartphone, has been named the world''s fastest-growing company, suggests business magazine Fortune.

The Canadian wireless device company topped the magazine''s latest annual guide to the 100 fastest-growing businesses, beating US chipmaker Sigma Designs to the second place.

Chinese internet business Sohu. com came in third, followed by Ebix, European forum for energy Business Information exchange, and then DG Fast Channel, reports the BBC.

Fortune said: "Since the Great Depression, some companies just keep growing. And not only in the United States."

10 Fastest Growing Firms

1. RIM

2. Sigma Designs

3. Sohu. com

4. Ebix

5. DG Fast Channel

6. CF Industries

7. Shanda Industries

8. Arena Resources

9. Bruker

10. Potash Corporation (ANI)