Genesis Mining - Genesis Mining is a large cloud mining company and hashpower provider for Bitcoin and Altcoins.
NiceHash - Bitcoin Cloud Mining
MinerGate - Start mining effectively with your computer or smartphone. Squeeze the most profit automining coins with the highest rates.
Bitminter - Bitminter is a Bitcoin mining pool that aims to make it easy for anyone to make bitcoins.
CoinImp - JavaScript minining solution for webmasters.
Minerall - Most Advanced Mining Pool Ever. Anonymous Mining Support.