CryptoMach is a multi-currency pool, with a Pay-Per-Last-1000-Shares system, anonymous mining and a global mining network with DDOS protected servers in US & Asia
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.
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.