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Samsung Electronics
Sana Security, Inc.
SBE
Scorpio Communications (US Robotics)
SECUi.COM Corp.
ServGate Technologies, Inc.
Shenick Network Systems Ltd. (Aeroflex/Cobham)
Shine Technologies Corp.
ShoreTel (Mitel)
Siemens Enterprise Networks (Mitel)
Sifos Technologies, Inc.
Sitara Networks, Inc. (Converged Access)
SiteLock, LLC
SlashNext, Inc.
SmartPipes, Inc.
SonicWall
Sonus Networks, Inc.
Sophos Ltd.
Spectralink Corporation
Spirent Communications
Spirion, LLC.
Ssan Yong
Standard Microsystems Corp (SMC) (Cabletron)
Start Network Technology Co., Ltd.
Steelbox Networks, Inc.
StreamCore
Sun Microsystems, Inc. (Oracle)
Sunbelt Software, Inc.
Symantec Corporation (Broadcom)
Symbol Technologies, Inc. (Motorola)
Sync Research
SynOptics
SysKonnect, a Marvell company