3i Ventures
AAVIN Venture Capital
ABG Capital
Accuitive Medical Ventures
Adams Capital Management
Adena Ventures
Advanced Technology Ventures (ATV Capital)
Advent International Corp.
Advent Venture Partners
Alta Communications
Alta Partners
Altira Group LLC
American Express
Anthem Capital
Apax Partners
Apex Venture Partners
Arboretum Ventures
Associated Partners
Ascension Health Ventures LLC
Aspen Ventures
Athenian Venture Partners
August Capital Management
Aurora Funds
Aventis Pasteur
Axiom Venture Partners, L.P.
Bain Capital
Battery Ventures
Bay City Capital
Birchmere Ventures
Blue Chip Venture Company
Blueprint Ventures
BlueRun Ventures (Nokia Venture Partners)
BlueTree Capital Group
Boston Capital Ventures
Boston Millennia Partners
Boston Ventures Management, Inc.
Boulder Ventures
Brock Capital Group
Brook Venture Partners
Burrill & Company
Calvert Group
Canaan Partners
Cardinal Partners
Catalyst Investors
CB Health Ventures LLC
CEI Ventures, Inc
Centocor/J&J
Charles River Ventures
Chart Venture Partners
Charter Life Sciences
Charter Venture Capital (AKA: Charter Ventures)
Chrysalis Ventures
CID Equity Partners
Citizens Bank of Pennsylvania
Clarus Ventures
CMS Mezzanine Fund
Columbia Capital
Comerica
Commerce Health Ventures
CommVest
Comventures
Core Capital Partners
Corridor Venture Partners
Court Square Ventures, LLC
Credit Suisse First Boston
Cross Atlantic Partners, Inc.
Crosspoint Venture Partners
Crossroads Capital Partners, LLC
Crystal Internet Ventures
CSFB Private Equity (AKA: Credit Suisse First Boston )
Curtis Financial Group, LLC
Delaware Innovation Fund
Delphi Ventures
Doll Capital Management (DCM)
Domain Associates
Draper Fisher Jurvetson
Draper Fisher Jurvetson ePlanet Ventures, L.P.
Draper Richards L.P.
Draper Triangle Ventures
Early Stage Partners
ECentury Capital Partners, L.P.
EDF Ventures
Edison Venture Fund
Emerald Stage2 Ventures
EuclidSR Partners
FBR Venture Capital Managers, Inc.
Ferrer Freeman & Co (AKA: FFC)
Fidelity Ventures
Flagship Ventures
Flashline Partners
Fletcher Spaght, Inc.
Frontenac Company
GATX Ventures
Gazelle TechVentures
GE Capital
GIC Special Investments Pte Ltd.
Glynn Capital Management
Grand Banks Capital
Gran Sasso Ventures LP
Grande Ventures LLC
Granite Global Ventures
Grayhawk Capital
Greylock
Griffon Venture Partners
Growth Venture Group Pty Ltd.
H.I.G. Ventures
HarbourVest Partners LLC
Harrell Capital Partners LLC
Harris & Harris Group, Inc.
Heron Capital
Hewlett-Packard Strategy and Corporate Development
Hickory Venture Group
Highland Capital Partners
Hitachi Ventures
Horizon Ventures
Hudson Venture Partners
Hunt Ventures, LP
Idea Foundry
IBM Venture Capital Group
IBM Venture Development
IDG Ventures
Ignite Group
Inflection Point Ventures
ING Barings & Co. (FKA Baring Brothers & Co. Ltd.)
Innovation Capital Advisors
Innovation Works
Internet Capital Group, Inc.
Intersouth Partners
InterWest Partners
Inverness Capital Partners
Investor Growth Capital AB
ITU Ventures
J&W Seligman & Company
JMI Equity Fund
Jonel Venture Inc.
JumpStart, Inc
Keystone Profiles
Kitty Hawk Capital
Kleiner, Perkins, Caulfield & Byers
Lancet Capital (FKA: Caduceus Capital Partners)
Landmark Angels/Landmark Capital Corp.
Lehman Brothers
LLR Partners Inc.
Longstreet Partners
Longworth Venture Partners
Manufacturers Life Insurance Company
Matrix Partners
McElhattan Family Enterprises
Meakem Becker Venture Capital
Medical Science Partners
Mellon Private Equity
Menlo Ventures
Meridian Venture Partners
Merion Investment Partners, LP
Mesaba Capital Partners
Mid-Atlantic Venture Funds
Milestone Venture Partners
Mitsubishi Corporation
MK Capital
MMV Financial
Mobius Venture Capital (FKA: SOFTBANK Venture Capital)
Morgan Stanley
Motive Force LLC
Mountaineer Capital
MPM Capital
Mudrinich Ventures
Murex Investments
Mutual Capital Partners Fund
National City Equity Partners
Nationwide Mutual Capital
Navigation Capital Partners
NCT Ventures, LLC
New Enterprise Associates
New Jersey Angels Network
New Markets Venture Partners
NewSpring Ventures
Nextventures Ltd (AKA: Peoples Venture Investment Co)
Neyer Holdings
NIF SMBC Ventures Company Ltd. (FKA: NIF Ventures Co., Ltd.)
NIF Ventures USA, Inc.
NMT New Medical Technologies
NonQuitt Partners
Norwest Venture Partners
Novak Biddle Venture Partners
Novitas Capital
Novus Ventures
Oak Hill Capital Management, Inc.
Oak Investment Partners
Ohio IT Alliance
Omeris
Originate Ventures
Osage Ventures
OVP Venture Partners (FKA: Olympic Venture Partners)
Oxford Bioscience Partners
PA Early Stage
Pacific Venture Group
Peninsula Equity Partners
Penn Venture Partners
Pennsylvania Growth Investment Corporation
Pentech Financial Services
Pequot Capital Management
Perseus-Soros Biopharmaceutical Fund
Petra Capital Partners
Pharos Capital Group
Philips Venture Capital Fund B.V. (AKA: Corporate Venturing)
Pi Capital Group, LLC
Pittsburgh Equity Partners
Pittsburgh Life Sciences Greenhouse
PNC Wealth Management
Portal Capital
Potomac Investments
Prestige Capital Corp.
Primus Venture Partners
Quaker BioVentures
Quest Capital Partners
QuestMark Partners
Radius Ventures
RB Webber & Company
RBC Capital Markets
Red Hat Ventures
RedShift Ventures
Rein Capital, LLC
Reinvestment Fund , The (TRF)
Research Corporation Technologies (RCT)
Reservoir Venture Partners
Resource Capital Funds, The
Revolution Ventures, LLC
Rho Venture Capital
River Cities Capital Funds
Rivervest Venture Partners
Rocket Ventures
Safeguard Scientifics, Inc.
Salix Ventures
SAS Investors
Seneca Partners
Sienna Ventures (FKA: Sienna Holdings Inc.)
Silicon Valley Bank
SJF Ventures
Smithfield Trust
Spring Capital Investors LLC (FKA: Spring Capital Partners)
Stanford University
Stephens Group, Inc.
Stonewood Capital Management
Summer Street Capital
Sun Microsystems, Inc.
Susquehanna Growth Equity, LLC
Svoboda, Collins L.L.C.
SWMF Life Science Fund
Symantec
TA Associates, Inc.
TDH Capital
Technology Collaborative
Texas Pacific Group
Thar Pharmaceuticals
The Ohio Capital Fund
The Tomayko Group
TL Ventures
TRF Urban Growth Partners
Triathlon Medical Ventures LLC
Trident Capital
Trillium Medical Ventures
Trinity Ventures
Tudor Ventures
TVM (AKA: Techno Venture Management)
US Trust Private Equity
Valhalla Partners
Vector Fund Management, L.P.
Venrock Associates
Vertex Management Pte, Ltd. (AKA: Vertex Venture Holdings)
W.R. Hambrecht & Co., LLC
Wachovia Corporation (FKA: First Union Capital Partners)
Waltham
Warburg Pincus LLC
Wellington Financial LP
Western Pennsylvania Adventure Capital Fund
Wheatley Partners
Whitecap Venture Partners (AKA: Whitecastle Investments Ltd)
WorldCom Ventures
Worldview Technology Partners
Zero Stage Capital Co., Inc.
Zesiger Capital Group, LLC Zon Capital Partners