30 Years of No. 1 Companies

Timothy Rice
11 of 29

1992: Kingston Technology
Fountain Valley, Calif.

1991 Revenue: $140.7 million
Three-Year Growth: 117,122%

John Tu and David Sun founded Kingston with one revolutionary product: the Single In-Line Memory Module, an early version of a memory card. Since then, the company has developed more than 2,000 products, and in 2010, the company's sales reached $6.5 billion.