 | Comcast | CMCSA
| $24,966,000,000 | 90,000 | 1150 | | |
| Link | Computer Sciences Corp. | CSC
| $14,900,000,000 | 79,000 | | | |
 | CA | CA
| $3,943,000,000 | 14,500 | | | |
 | Cephalon, Inc. | CEPH
| $1,764,070,000 | 2,895 | 200 | | |
 | Cadence Design Systems, Inc | CDNS
| $1,615,010,000 | 5,200 | 50 | | |
| Link | ClearLink Technologies | | $100,000,000 | 150 | 150 | | |
 | Certiport, Inc | | $40,000,000 | 150 | 100 | | |
 | Clearone Communications | CLRO
| $39,900,000 | 100 | 100 | | |
 | Compeq International Corp | | $35,600,000 | 100 | 100 | | |
| Link | Companion Systems | | $33,200,000 | 120 | 100 | | |
 | ConsultNet | | $25,000,000 | 175 | 175 | | |
 | CAO Group, Inc | | $20,000,000 | 25 | 25 | | |
 | Chartlogic, Inc | | $17,500,000 | 50 | 50 | | |
 | Cambric | | $12,500,000 | 25 | 25 | | |
 | Calculated Research and Technology | | $10,000,000 | 25 | 25 | | |
 | Circlepix | | $9,200,000 | 75 | 75 | | |
 | Ceramatec, Inc. | | $9,000,000 | 100 | 100 | | |
 | Cirtran Corporation | CIRC
| $8,700,000 | 50 | 50 | | |
 | Costume Craze | | $7,235,000 | 40 | 40 | | |
 | Caselle, Inc | | $6,000,000 | 50 | 50 | | |
| Link | Cerberian Inc. | | $4,000,000 | 700 | 50 | $8,350,000 | |
| Link | Card Access | | $3,000,000 | 25 | 25 | | |
| Link | Cymphonix | | $3,000,000 | 30 | 30 | $5,400,000 | |
 | Celio | | $2,500,000 | 20 | 20 | | |
| Link | CG4 Solutions | | $2,500,000 | 30 | 30 | | |
| Link | Contexo Media | | $2,000,000 | 40 | 40 | | |
| Link | Centershift, Inc | | $1,750,000 | 25 | 25 | | |
 | Caveon | | $1,500,000 | 0 | 0 | | |
 | Cogito, Inc | | $1,500,000 | 0 | 0 | $6,700,000 | |
| Link | Compliance Information Systems | | $1,500,000 | 20 | 20 | | |
 | ClearPlay.com | | $1,250,000 | | 1 | | |
| Link | CompuTech Consulting | | $1,000,000 | 0 | 5 | | |
| Link | Clickincome, Inc | | $500,000 | 25 | 25 | | |
| Link | CompuSoft Development | | $500,000 | 10 | 10 | | |
| Link | Customer Dynamics | | $300,000 | 0 | 5 | | |
| Link | Central Logic | | $200,000 | 0 | 5 | | |
| Link | Computer Lab Solutions | | $100,000 | 0 | 5 | | |
| Link | ContractPal (formely NxLight) | | $100,000 | 0 | 5 | | |
 | ContentWatch, Inc | | | 37 | 37 | | |
| Link | CafeScribe | | | | | | |
| Link | Card Cafe | | | 0 | 0 | | |
| Link | CardioRisk Laboratories | | | 60 | 20 | | |
 | Cemaphore Systems, Inc | | | 50 | 25 | | |
| Link | Center7, Inc. | | | 0 | 0 | | |
| Link | Central Point Systems | | | 0 | 0 | | |
| Link | Cique Marketing | | | 0 | 0 | | |
 | Coherex Medical | | | 31 | 29 | $8,520,000 | |
 | COMPLETExRM, Inc. | | | | | | |
 | Consonus | | | 200 | 1 | | |
 | CONTROL4 | | | 100 | 100 | $40,700,000 | |
| Link | Corda Technologies, Inc | | | 70 | 70 | | |
| Link | Cognetix, Inc. | | | 0 | 0 | $24,000,000 | |
| Link | Canyon Bridge, Inc. | | | 20 | 20 | $9,650,000 | |
 | Cluster Resources | | | | | | |
| Link | Chemtech-Ford | | | | 20 | | |
| Link | Campus Pipeline | | | | | | |
| Link | CanyonBridge Inc. | | | | | $8,370,000 | |
| Link | Callware Technologies | | | | | | |
| Link | Chapman Innovations | | | | | | |
| Link | Cimarron Software | | | | | | |
 | Cimetrix | CMXX
| | | | | |
| Link | CSolutions | | | | | | |
 | Convince Me | | | 1 | 1 | | |
| Calculated Research & Technology | | | | | | |
| Link | Chair Entertainment Group | | | | | | |
| Link | ClassTop | | | | | | |
|
