GigaWatt provides Turnkey mining services or custom packages tailored to your needs: full range of mining services from equipment sales, maintenance and repair to private blockchain servicing.
BTC.com is a pool run by Bitmain, creators of Antpool and Antminer ASICS. BTC.com charges a 1.5% fee and pays users through a PPS system. BTC.com shares the transaction fees with miners. Old Users Still Mine with 0 Fee PPS in 2017.
MiningSpeed is a multicryptocurrency pool. Users can mine Hush, Komodo, Zcash, ZEN and Zclassic for a 0.3% fee. The pool employs a Prop payment system.