eHashCoins.org is a multi-currency mining pool. Here, you can mine the ethash and equihash algorithms through a solo payment system and ethash through PPLNS.
GigaWatt provides Turnkey mining services or custom packages tailored to your needs: full range of mining services from equipment sales, maintenance and repair to private blockchain servicing.
Founded in early 2018, Whalesburg is still at MVP stage but already profitable. The pool hashrate is steadily growing as more features are being added. Whalesburg is a profit-switching mining pool that also offers track progress. The mineable coins supported by Whalesburg at the moment are ETH, ETC, UBQ, ELLA, EXP, PIRL.