The fact that I know only a few of these guys can really mean two things: a) I am too old, or b) I am too underground. I hope the latter is the case. Anyway, here is the 2014 list to start with. The infographic from The Galavantier below illustrates the correlation between The DJ Mag Top 100 and the Las Vegas DJ market (those playing in the city are marked green). Apparently, Vegas is the epicenter for getting to hear a plethora of these hot 100 year round.
And here is the 2013 list (click to enlarge). Created by Topple Track, it claims to have used a more data driven approach (the methodology is included in the infographic, so decide for yourself).