F2pool is a Chinese multicurrency mining pool founded in 2013. Now it has servers located in the USA, Canada, Russia, Singapore, and several other countries. The pool has a big number of supported coins. Currently, it is possible to mine around 40 currencies on F2pool.
Headquartered in Hong Kong, Miner Bros is a mining equipment seller. The customers are able to purchase devices capable of mining cryptocurrencies online and pay in Fiat or BTC. The company deals into brands like Bitmain, Innosilicon, Baikal, IBeLink, and Whatsminer. The product shipments are performed within 48h of the order confirmation.
Cruxpool is a mining pool made for miners by miners and operated by the company ILIIUM. It provides a bunch of tools to help miners monitor their mining rigs: real-time statistics, professional support (with a dedicated Discord), 0% fees for two months, very low threshold (0.01 ETH), and complete API and tutorials.