MoneroHash is a US mining pool created solely for Monero mining. Since 2014 it is run by a single person. The fee is 1.6 and a part of this amount is given to open source developers. The payouts occur every 24 hour (in case if the threshold is reached). There's an option to send the mined coins straight to the exchange wallet. It saves users some money that could be spent on transaction fees.
Luckpool is a mining pool for Zcash, Zclassic and Komodo, all three of which use the equihash algorithm and provide private transactions through zero knowledge proofs. The pool offers mining for a 0.3% fee and through a PPLNS payment method. Luckpool offers a miner jackpot for Zcash.
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.