 | IBM | IBM
| $98,787,000,000 | 355,766 | 250 | | |
 | Intel Corporation | INTC
| $38,334,000,000 | 86,300 | 100 | | |
 | Intuit | INTU
| $2,670,000,000 | 8,000 | 40 | | |
| Link | Investools | SWIM
| $318,000,000 | 653 | 200 | | |
 | IBAHN | | $130,000,000 | 200 | 100 | | |
 | IM Flash Technologies | | $40,000,000 | 2,150 | 1650 | | |
 | Idaho Technology, Inc | | $25,000,000 | 175 | 175 | | |
| Link | Intermountain Electronics | | $24,200,000 | 45 | 45 | | |
 | iBoats, Inc | | $16,300,000 | 80 | 80 | | |
| Link | iTOK | | $15,000,000 | 20 | 20 | | |
 | iLinc Communications | ILC
| $14,200,000 | 88 | | | |
 | IOMED, Inc. | | $12,500,000 | 25 | 25 | | |
 | Infotrax Systems, LLC | | $9,500,000 | 80 | 70 | | |
| Link | IAT / Information Access Technology Inc. | | $5,500,000 | 25 | 25 | | |
| Link | Imagine Learning | | $3,500,000 | 50 | 50 | | |
| Link | I-O Corporation | | $3,000,000 | 30 | 30 | | |
| Link | Independent Witness | | $3,000,000 | 30 | 30 | $2,810,000 | |
| Link | Isotruss Structures, Inc. | | $2,000,000 | 185 | 185 | $725,000 | |
| Link | IARCHIVES Inc | | $2,000,000 | 50 | 50 | $2,000,000 | |
| Link | Inovar, Inc | | $2,000,000 | 100 | 100 | | |
| Link | ICENTRIS Inc | | $1,000,000 | 75 | 75 | | |
| Link | Interlinx Communications | | $500,000 | 0 | 5 | | |
| Link | IntelliVis, Inc. | | $300,000 | 0 | 5 | | |
| Link | Inflabloc Pharmaceuticals | | $200,000 | 10 | 10 | $9,000,000 | |
| Link | ImSAR | | $100,000 | 0 | 5 | | |
| Link | Intelisum | | $100,000 | 30 | 30 | $4,900,000 | |
 | Icrossing | | | | | | |
 | Identity Engines | | | | | | |
 | Ikano Communications, Inc | | | 250 | 100 | $43,000,000 | |
| Link | iLeadmedia.com | | | 25 | 25 | | |
| Link | INCITE WORLD | | | 0 | 0 | | |
| Link | Infobase Media | | | 0 | 0 | | |
 | Infopia | | | 0 | 0 | $8,000,000 | |
| Link | Ingenix, Inc. | | | 500 | | | |
| Link | Ingeo Systems, Inc. | | | | 1 | $770,000 | |
| Link | Interactive Care, Inc. | | | 3 | 3 | $500,000 | |
| Link | iWorlds Simulations | | | 0 | 0 | | |
| Link | iLumin | | | 5 | 5 | $24,070,000 | |
| Link | I-Link Incorporated | | | 18 | 18 | $25,000,000 | |
| Link | Iomega | | | | | | |
| Link | Inari | | | | | $29,000,000 | |
| Link | inthinc | | | 310 | 310 | | |
 | Idealy | | | | | | |
| ISYS Technologies | | | | | | |
 | InsideSales.com | | | 35 | 33 | | |
 | ISC | | | | | | |
 | iBizFramework, Inc. | | | | | | |
 | Ingeo Systems, Inc. | | | | | | |
|