| Link | C3 Capital, LLC | Kansas City | Missouri | | 1 | $4,000,000 | |
| Cable & Howse Ventures | Bellevue | Washington | Iomega | | | |
| Link | Cache Valley Venture Accelerator Club | | | Revinetix | 1 | | Software |
| Link | Calvert Social Venture Partners | Vienna | Virginia | Sonic Innovations | | | |
| Link | Camden Partners, Inc. | Baltimore | Maryland | | 1 | $76,000,000 | Healthcare Services Software Medical Devices |
 | Canaan Partners | Menlo Park | | Echopass | 1 | | Biotechnology Communications Content & Media Information Services Electronics Software Medical Devices |
 | Canaccorde Adams | Boston | | Linux Networx | 1 | | |
 | Canopy Ventures | Lindon | | Cogito, Inc, DirectPointe, eFileCabinet, Geolux Communications, Inc., IARCHIVES Inc, Lingotek, Linux Network, Inc., Smile Reminder, Inc., Solera Networks, The Generations Network... | 11 | $27,050,000 | |
| Link | CapSource Fund, L.P. | Ridgeland | Mississippi | | 1 | | Energy |
| Castle Arch Capital | | | | 1 | $2,750,000 | |
| Link | Castle Harlan Inc. | New York | New York | | 1 | $310,000 | |
| CB Capital | Portland | Oregon | | | | |
| Link | CCP Equity Partners | Hartford | | | 1 | $7,040,000 | |
 | CDIB Ventures | Santa Clara | | Zars, Inc | 1 | $3,670,000 | Biotechnology Communications Electronics Medical Devices Research |
| Link | CE Unterberg Towbin | New York | New York | | | | |
 | Century Capital | Boston | | eReinsure.com, Inc. , IARCHIVES Inc | 2 | $6,550,000 | Services |
| Cerulean Fund/WGC Enterprises | Northfield | Illinois | | | | |
 | Cherokee & Walker Ventures | Salt Lake City | | Independent Witness | 1 | | |
 | Chicago Venture Partners | Chicago | | Ikano Communications, Inc | 1 | | Information Services Software |
| Link | Child Health Investment Corporation | Shawnee Mission | Kansas | | | | |
| CIBC Wood Gundy Capital | | | | 1 | $1,250,000 | |
| Link | Cipio Partners | Munich | California | EmWare | 1 | $4,800,000 | Electronics Security |
| Link | CIT Group | Livingston | New Jersey | IOMED, Inc. | | | |
| Link | Citrix Systems | Fort Lauderdale | Florida | Lineo, Inc. | | | |
| Link | CMEA Ventures | San Francisco | California | | | | Biotechnology Electronics Software Advanced Materials Energy Medical Devices |
 | CMGI Ventures | Andover | | The Generations Network | 2 | $13,250,000 | Software Storage |
| Link | CMS Companies | Wynnewood | Pennsylvania | Forum Systems | 1 | $5,830,000 | |
 | Cogent Capital | | | Vistedge Inc | 1 | | Software |
| Columbine Venture Funds | | | Anesta | | | |
| Link | Commonwealth Associates | New York | New York | | 1 | $1,620,000 | |
| Link | Commonwealth Capital Ventures | Waltham | Massachusetts | | 1 | $950,000 | Communications Content & Media Information Services Electronics Software Services Storage Security |
| Link | ComVest Investment Partners | New York | New York | FatPipe Networks | | | |
| Link | Copan | Palo Alto | California | EmWare | | | |
 | Cornell Capital Partners | Jersey City | | Cirtran Corporation | 1 | | Biotechnology |
 | Cornerstone Capital Group | Brea | | ARCANVS, Inc., WOW Digital Television | 2 | $5,260,000 | |
 | Cougar Capital | Provo | | | | | |
| Counsel Communications | | | I-Link Incorporated | 1 | | |
| Link | CR Bard | Murray Hill | New Jersey | | | | |
| Link | Creation Capital | Austin | | Amedica | 1 | $44,570,000 | Medical Devices |
| Link | Crest Communications Holdings | | | FutureSmart Networks | 1 | $12,150,000 | Software |
| Link | Criterion Capital Management | San Francisco | California | The Generations Network | | | |
| Link | Crocker Capital | San Francisco | California | | | | Medical Devices |
| Link | Crosslink Capital | San Francisco | California | Omniture Inc, The Generations Network | 2 | | Communications Electronics Software Services Storage Advanced Materials Energy |
| Link | Crosspoint Venture Partners | Irvine | California | Anesta | 1 | $10,980,000 | Biotechnology Communications Electronics Software Medical Devices |
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