This needs a bump
Buddha Brand (Dev Large)
Coyass
DABO
DJ Hasebe
DJ Krush
Dragon Ash
DS455
KREVA (maybe)
m-flo
Miss Monday (older stuff)
NMU
Rappagariya
Scha Dara Parr
Zeebra
That's all I can think of off the top of my head. Buddha Brand is probably my favorite. Also a bunch of others that kind fits but probably more R&B or J-Reggae.