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30. Harrah's Entertainment
2007 revenue: $10.8 billion
Fiscal year end: Dec. 31
2007 Employees: 87,000
Industry: Hotels, casinos, resorts
CEO: Gary W. Loveman
Location: Las Vegas, Nev.

What began as a single bingo hall in Reno, Nev. in 1937 has expanded to become the world's biggest provider of branded casino entertainment. Harrah's was taken private by Apollo Management and TPG Capital early in 2008.

NEXT: Trump Organization

Last updated May 28 2008: 12:40 PM ET