Founded in 1996, JK&B Capital is a Chicago-based venture capital firm with more than $1.1 billion under management which focuses on the communications and software markets.
| Company | Date | Round | Size | Participants |
| Chumby | 3/08 | Series B | $12.5M | 4 |
| Treemo | 10/07 | Series A | $2.55M | 1 |
| VMIX Media | 10/07 | Series B | $16.5M | 4 |
| Splunk | 9/07 | Series C | $25M | 4 |
| Fraudwall Technologies | 9/07 | Series B | $4.5M | 1 |
| Anchor intelligence | 9/07 | Series B | $4M | 1 |
| Baynote | 4/07 | Series B | $10.8M | 3 |
| Splunk | 1/06 | Series B | $10M | 1 |
| Baynote | 3/05 | Series A | $4M | 3 |
| Snaptell | Series A | $4M | 2 |
