Top Private Companies

Rank

Company

Revenue

Employees

Industry

1 Mars Inc. $16 billion 31,000Manufacturing
2 Geico Corp. $8.9 billion 21,500 Financial services
3 Allegis Group Inc. $3.6 billion 8,000 Consulting/professional services
4 Booz Allen Hamilton Inc. 3.1 billion16,651 Consulting/professional services
5 Clark Enterprises Inc. $2.49 billion3,200 Real estate
6 MedStar Health $2.43 billion 22,000 Health care
7 Goodwill Industries International Inc. $2.39 billion78,000 Retail
8 Discovery Communications Inc. $2.37 billion5,000Media
9 Inova Health System $1.4 billion 13,325 Health care
10 Ritz Camera Centers Inc. $1.25 billion10,700 Retail
11 B.F. Saul Real Estate Investment Trust $1.12 billion -- Real estate
12 Long & Foster Cos. Inc. $1.04 billion2,071 Real estate
13 Darcars Automotive Group $1.04 billion 2,161
14 Rosenthal Automotive $1 billion950 Retail
15 Ourisman Automotive Enterprises $802 million1,084 Retail

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