AlpEreum is an Ethereum Mining Pool with servers in Asia, Europe and U.S.A. Users can mine ETH for a 0.2% fee and through a Prop payment system. The minimum payout is 0.01 ETH.AlpEreum shares the transaction fees with miners.
Alien Cloud presents a cloud mining platform, a mining pool, a cryptocurrency exchange, and a wallet. There's not much info about the company. It is believed that the company is located in Russia although there are no accurate data to dispute or prove it.
CryptoPool is a multi-cryptocurrency mining pool. It allows users to mine multiple coins like PIVX, Dash, Zcash, Litecoin and Digibyte. CryptoPool uses the PPLNS payment system and charges a 0.7% fee average.