Speed Mining Service is a large cryptocurrency mining operation. The company had a large ICO that raised money to fund additional hardware purchases to expand their mining capabilities. SMS token holders own shares in the mining system and are entitled to part of the profit.

MaxiMine is a cloud-based pool mining platform that enables users to participate in the mining of a variety of tokens and coins. MXN token holders stake their tokens for hashing power, and receive a portion of the overall mining rewards. MaxiMine has several influential partners, including HitBTC, AntPool, and Bitmain.

The 12Ships token is used to power the 12Ships network. The company's marketing materials claim that they plan on developing a separate PoW blockchain called HashChain, as well as a mining pool that will use their own ASIC hardware.