The 2009 Inc. 500: The Top 10 Women-Run Companies

women-owned businesses, P3S Corporation
1 of 10

Mary Ellen Trevino, Owner, P3S Corporation

Rank: No. 17
Location: San Antonio
Revenue: $13,542,291 in 2008

P3S Corporation is a minority, woman-owned 8(a) and Small Disadvantaged Business (SDB) that provides IT network and physical security services mostly to the Defense Department.