11. Vasco Data Security International
Rank: 11 (Previous rank: N/A)
2006 Revenues (millions): $76.06
Headquarters: Oakbrook Terrace, IL
Get quote: VDSI
Nearly 750 financial institutions use VASCO's identity authentication products for more secure e-business. Its Digipass technology requires customers to confirm identity through a one-time password, created by hardware and software the company adds to mobile phones, other portable devices and PCs.
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