Jonny Bravo's Mining Emporium is a Bitcoin mining pool that charges a 0.5% fee. The payment is made through a PPLNS system when the user reaches 0.001 BTC minimum.
Based in China, Ebang Communication is a manufacturer and seller of application-specific integrated circuit (ASIC) chips for bitcoin miners. The company was successfully listed on New OTC Market in August 2015.
Multipool was launched in 2012 and worked as a multi-cryptocurrency mining pool. As of now, registration is closed and Twitter account of Multipool saw the last update in February 2019.
Stratus Mining is a cloud mining service that allows users to mine Bitcoin and Ethereum. Stratus Mining is an efficient and eco-friendly company based in Austria where there is relatively cheap electricity and low temperatures to reduce the need for cooling.