ETCmine is an Ethereum Classic mining pool. Users can mine for a 0% fee (currently) and through a real time PPLNS payout scheme, keeping uncles and fees. The pool server is located in Europe.
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.
Mining Wholesale is a privately owned company based in The Netherlands, which focuses on the exploitation of mining-related products to consumers and businesses.