Rankin Audio has been pushing out sample packs for a while now, you can find a range of them available on their website or over at Loopmasters.
From the site:
Offering nothing but the best and most usable samples and loops. 100% ROYALTY FREE and guaranteed weapons grade. Produced by some of Dubstep, DNB and Electro’s key producers, we focus on ultimate usability and flexibility. Rankin Audio pushes the fresh, innovative sound that is at the forefront of the dance scene, with our trap, dnb and dubstep sample packs.
We tear up dance floors across the world and now we can help you do the same.