| Category | Mobile/Wireless |
| Phone | (650) 230-7200 |
| info@rosum.com | |
| Employees | |
| Description | GPS alternative nagivation |
| TOTAL | $31M |
| FUNDING TOTAL | $31M |
| Series A, 5/03 Charles River Ventures Allegis Capital Steamboat Ventures KTB Ventures | $16M |
| Series B, 4/08 Charles River Ventures Allegis Capital Steamboat Ventures KTB Ventures TruePosition | $15M |
Rosum provides a navigation technology that is an alternative to GPS. Interestingly, one of the company’s founders was the co-architect of GPS.