Cadient
Cadtel Systems
CafePress.com
Calabrio
Calera
Calmar Optcom
Calypso Medical Technologies
Calypto Design Systems
Cambric
CambridgeSoft
Cameron Health
Campus Explorer
Canesta
Capella Intelligent Subsystems
Capital Access Network
CarbonFlow
Cardinal Commerce
Cardiocore Lab
CardioFocus
Cardlytics
Cardonet, Inc.
Care.com
Care2
CareAnyware
Carefx
CareFusion
Carena
Caring.com
Carmot Therapeutics, Inc.
Carnegie Learning
CarrierIQ
Cartera Commerce
Casa Systems, Inc.
CaseCentral
CashEdge
Cast Iron Systems
CastTV
Catalyst IT
Catapult Learning
Catbird Networks
Cavendish Kinetics
Cayenne Medical
CCS Medical Holdings, Inc.
Cedar Point Communications
Cell Biosciences
Cellmania
CellTrak
Cellular Dynamics International
Centice
Centrify
Cequint
Ceregene
Cerona Networks
Certeon
Certona Corporation
CH Mack
ChaCha
Channel Intelligence
ChannelAdvisor
ChanTest
Chargify
CheckPoint HR
Chelsio Communications
ChemoCentryx, Inc.
CHG Healthcare Services
Chimerix
ChoiceStream
Chromatin
Chromis Fiberoptics
CiDRA
Cigital
CiraNova
Circadence
Cirtas Systems
Citysquares Online
ClairMail
Clarabridge
ClariPhy Communications
Clark-MXR
ClassLink
Cleanscapes
ClearCube
ClearEdge Power
ClearPoint Learning Systems
ClearPoint Metrics
Clearspring Technologies
Clearwell Systems
ClickEquations
ClickFacts
ClickSquared
Clicky Web Analytics
Clinicient
CLK Design Automation
Cloud9 Analytics
Cloudmark
Clustrix
Code Green Networks
CodeRyte
Cogency Software
Cogent Healthcare
Cognition Therapeutics
Collective
College Prowler
CombineNet
CoMentis
Comet Solutions
ComFrame Software
Command Information
Commercial Credit Group
Common Sense Media
Communispace
Compiere, Inc.
Complete Genomics
Composite Software
Compucyte
Compusearch Software Systems
Concentra Operating Corporation
Concerro, Inc.
ConceroGroup
Concert Pharmaceuticals
Confluence
Confluence Solar
ConforMIS
Connectbeam
Connecture
Connotate Inc.
Consona
Constellation Pharmaceuticals, Inc.
Construction Software Technologies
Contactual
ContextWeb
Continuent
Continuous Computing
Convio
Cooking.com
Cool Earth Solar
Cool Planet BioFuels, Inc.
COOP Systems Inc.
Copanion
Coradiant
CorasWorks
Cord Blood Registry
Core Security Technologies
CoreDial
CORESense
Corporate University Exchange
CorrectNet
Correlix
Corticon Technologies
Cortina Systems
CosmoCom
Cotendo Inc.
Courion
Covario
Covestor
Coyote Logistics
Cozi
CPower
CradlePoint
Credant Technologies
CreditCards.com
CRF Health
CRI Worldwide
Crisp Wireless
Critical Media
Crossbeam Systems
Crossbow Technology
CrossLoop
Crowd Science
Crown Bioscience
CrownPeak Technology
CSDVRS
Cubic Corp.
Current Analysis
Custom House Ltd.
Cvent
CyberShift
Cylex
Cypress Care
Cytel Software
Cytochroma, Inc.
Cytograft Tissue Engineering
Cytokinetics