Most lists of "up and coming" open-source companies are somewhat flimsy, essentially bought by PR firms. But this one from iTWire actually took some thought, and I think it gets things mostly right. The companies/projects profiled are Google, OpenMoko, rPath/XenSource, and Red Hat/Canonical (Ubuntu).
I thought the article's commentary on Google's Summer of Code was particularly enlightening, being a sometime Google critic myself:What's most astonishing about the Summer of Code is that Google really do not clearly appear to benefit. Instead, they are using their own money to fund development of clearly defined and external open source projects.… Read more