I-Behavior
IceBreaker
Icera, Inc.
ICG Commerce
Iconoculture
iContact
iCrossing
ID Mail Systems, Inc.
Ideal Image Development
Ideeli
IGEFI
iGINE.com
IJet Intelligent Risk Systems
ImageTree
Imagine Communications
IMMCO Diagnostics, Inc.
IMN
iMODULES
iMPath Networks Inc.
Imperva Inc.
Imprivata
Impulse Monitoring
IMVU
Incentia Design Systems
Inclinix
InComm Holdings
Industrial Defender
Industrial Origami
Industry Weapon
Infinity Precision
Infoblox
Infobright, Inc.
Infoglide Software
InfoMedics
Infopia
Infor Global Solutions, Inc.
Informatica
Infotrieve
InfraReDx
Ingenix
Ingenuity Systems
Ingeo Systems
Inlet Technologies
InnoCentive
Innography Inc.
InnoMedia, Inc.
InnoPath Software
Innoprise Software
Innosource, Inc.
Innotas
Innov-X Systems
InnovaLight
Innoveer Solutions, Inc.
InPhenix
Inphi
Inrix
InsideTrack Learning
Insight Direct
Insight Health Corp.
Insightix Ltd.
InSite Objects
InSiteOne
InStream Media
Instructables
InSync Software
Intacct
Intalio
IntegenX
Integra Telecom
Integral Molecular
Integrated Genomics
Integrated Memory Logic
Integrated Photonics Technology, Inc.
Integrity Interactive Corporation
Intelleflex
IntelliDx
Intelligent Bio-Systems
Intellikine
Intematix
InteQ
Interlace Medical
International Catastrophe Insurance
International Securities Exchange Holdings
Internet Broadcasting Systems
Intertrade Systems Corporation
Interventional Spine
Intervolve
InTouch Technologies, Inc.
Intrepid Learning Solutions
Introbotics
Intronis Technologies
Invention Machine
InvestEdge, Inc.
invivodata
Invodo
Ion Signature Technology, Inc.
Ion Torrent Systems, Inc.
Iovation
IP Infusion, Inc.
IP Video Systems
iParadigms
iPay Technologies
iPerceptions
IPeria
Iperian
iPipeline, Inc.
IQS
Iron Planet
IronKey
ISE
ISG Technology, Inc.
iSkoot
isocket
Issuu
Isto Technologies
iTRACS
IVYREHAB
iWatt