DeltaPool is a public altcoin pool pool that charges low fees and runs on a Prop/PPLNS payment system, allowing users to mine Equihash coins, Zcash, ZEN and ZClassic. The fee is 1% and miners get payments every 100 verification's on block found.
Icemining is an Ethereum and Sumokoin mining pool. Users can mine ETH and SUMO for a 1% and 1.5% fee respectively and through a Prop payment system. The minimum payout is 0.5 ETH and 2 SUMO.
Hashing24 is active since 2016. It is one of the most popular cloud mining services. The only currency mined on Hashing24 is Bitcoin. The offices of the company are located in the UK, Thailand, and Ukraine while mining farms are situated in Georgia and Iceland. Such diverse geography is needed to secure the business from changeable regulations in the world of cryptocurrencies. One of the partners of Hashing24 is an established blockchain company Bitfury. This fact is one of the trust factors for Hashing24.