IQMining is an online cloud mining service that offers to remotely mine Bitcoin cryptocurrencies (SHA-256 algorithm), Litecoin (Scrypt), Ethereum (Ethash) and other altcoins without the need to buy equipment.
Obelisk is a wholly-owned subsidiary of Nebulous, Inc., the company behind the creation of Sia, a blockchain-based storage network that operates on top of a decentralized market.
The Obelisk company focuses on building mining equipment for the SiaCoin, a Blake2b-based cryptocurrency. So far, the company has released one ASIC miners dubbed Obelisk SC1.
CryptoUniverse was founded 2017 with the goal to revolutionize the mining hardware market. Currently, the main focus lies in the distribution of Bitcoin Mining Hardware from Canaan.io and GPU-Mining Equipment for the European market. Cryptouniverse also offers consulting and large-scale mining equipment deployment for mining farms and other businesses.