American Century Companies, Inc.

Type: Private
On the web: http://www.americancentury.com
Employees: 1,837

American Century Companies is actually closer to the half-century mark, but who's counting? The company, through subsidiary American Century Investment Management, oversees mutual funds covering a range of styles including fixed income, value, quantitative, US growth, and international growth. It even has series of funds that support cancer research. The company's brokerage services offer investors access to additional mutual funds from other firms. American Century manages more than $100 billion of client assets in accounts for individuals, corporations, charitable organizations, and retirement plans.

Key numbers for fiscal year ending December, 2008:
Sales: $249.6M

Officers:
Chairman: James E. Stowers III
President and CEO: Jonathan S. Thomas
EVP and COO: Barry Fink

Competitors:
FMR
T. Rowe Price
The Vanguard Group