·Time Warner Cable
·Verizon Online DSL
Uhh, I actually mentioned that test in another post. That exact one, in fact.
For what it's worth, it wouldn't take a whole lot to get accurate results on speed tests money-wise; I'm guessing Cogent and/or Hurricane Electric would be okay with providing a few gigabits of bandwidth for a nominal fee (Cogent is pro-net neutrality btw), and a few midrange quad-core servers on gigabit pipes, limited to twenty simultaneous tests, would probably do well for this sort of thing...