Batpool is a Bitcoin and Litecoin mining pool. It has a PPS payment system with no mining fee and a 5% rebate for BTC and 2% for LTC. The minimum payout is 0.001 BTC and 0.01 LTC.
MinerGate is a cryptocurrency mining brand. The platform provides convenient software for mining a number of crypto coins and a mining pool in which this software or one of the supported side apps can be used. The platform was founded in 2014 and has gained a multi-million user base since then.
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.