SonicWALL, Inc. · Sunnyvale, CA United States ·(NASDAQ (GM): SNWL)

SonicWALL puts up more than sound barriers -- the company provides network security devices and software. Its systems protect communications between headquarters and branch offices, secure broadband Internet access, and filter Web content (blocking a minor's access to adult Web sites, for example). Other products include data backup appliances and related software. It also offers services such as content filtering and intrusion prevention on a subscription basis. SonicWALL sells primarily through distributors, including Tech Data (17% of revenues in 2008), Alternative Technology (16%), and Ingram Micro (16%). To read the full description, subscribe now.