There are quite a few brands.
Herpstat
http://www.coldbloodedsupply.com/pro...-SHIPPING.html
RBI VE
http://www.reptilebasics.com/ve-100
Johnsons
http://www.reptilebasics.com/johnson...stat-pre-wired
Ranco
http://www.reptilebasics.com/ranco-etc-111000-pre-wired
Hydrofarm
http://www.amazon.com/Hydrofarm-MTPR...9563405&sr=8-1

These are all ones I'd recommend. I'm sure there are plenty more out there also