 | Wilson Electronics | | $9,000,000 | 100 | 100 | | |
 | WorldHeart Corporation | WHRT
| $8,620,000 | 75 | 25 | | |
| Link | White Dot Solutions | | $6,000,000 | 25 | 25 | | |
 | Wi5Connect | | $1,200,000 | 10 | 10 | $1,000,000 | |
| Link | Waterford Research Institute | | $200,000 | 0 | 5 | | |
| Link | Wasatch Publishing / Digital IQ | | $200,000 | 0 | 5 | $1,102,880 | |
 | WeightLossWars | | $100,000 | 4 | 2 | | |
| Link | WestHost Inc. | | | 45 | 45 | | |
| Link | Wasatch Microfluidics, Inc. | | | 0 | 0 | | |
 | Watson Laboratories | | | 25 | 25 | | |
 | WikiReview | | | | | | |
| Link | WingateWeb | | | 25 | 25 | | |
| Link | Wolfe Electronix | | | 100 | 100 | | |
| Link | WOW Digital Television | | | 50 | 50 | $1,001,776 | |
 | Wavelink | | | | | | |
| WhizBang! Labs | | | | | | |
| Link | Wendia AG International | | | | | | |
|