Many people at Alpenrose (outdoor painted concrete) use Vittoria Corsa CX. It's a road tire, but it's fast, takes very high pressures, and it holds up well on the concrete.
__________________
Cat 2 Track, Cat 3 Road.
"If you’re new enough [to racing] that you would ask such question, then i would hazard a guess that if you just made up a workout that sounded hard to do, and did it, you’d probably get faster." --
the tiniest sprinter