Lots of places are options....Pan Am in Miami (A300) and another place in CVG. NW has a facilty (NATCO) in MSP. If you want to knock out some prep in Memphis, go to this link and follow the link to "sim prep".
EmeraldCoastInterviewConsulting.com
There are plenty of options...but I think most folks who've used someone lately will say "get some!..(prep)", no matter where you get it.