20. Sun Microsystems
Headquarters: Santa Clara, Calif.
Revenue In Most Recent Quarter: $3.78 billion (Q4, 2008)
Channel Chief: Tom Wagner, VP, Americas Region, Partner Sales Organization
Why It's a Strategic Security Vendor: Sun offers a full lineup of identity management products, including Sun OpenSSO Express, an open-source offering. Among solution providers that identified a vendor as a strategic partner, 6.19 percent selected Sun.