West River is a venture capital firm, but doesn’t seem to have an online presence.
| Company | Date | Round | Size | Participants |
| Symform | 4/12 | Series B | $11M | 4 |
| Ascentium | 8/09 | Venture Round | 1 | |
| DocuSign | 5/09 | Series D | $5M | 4 |
| DocuSign | 9/07 | Series C | $12.4M | 4 |
| Catalist Homes | 5/07 | Series D | $4.5M | 3 |
| Tachyon Networks | 6/05 | Venture Round | $7M | 1 |