Mining-Dutch is a pools service that supports a wide range of coins and algorithms. Their servers are located in the Netherlands and France
Luxor is a Bitcoin and Altcoin cryptocurrency pool built for advanced miners.
Poolin is a public pool which mines about 18% of all blocks. They are based in China, but have a website fully available in English.
F2Pool is based in China. It mines about 17% of all blocks.
BTC.com is a public mining pool that can be joined and mines 15% of all block.
Antpool is a mining pool based in China and owned by BitMain. Antpool mines about 11% of all blocks.
ViaBTC is a somewhat new mining pool that has been around for about one year. It’s targeted towards Chinese miners and mines about 9% of all blocks.
Slush Pool was the first mining pool and currently mines about 11% of all blocks. Slush is probably one of the best and most popular mining pools despite not being one of the largest.
BTC.top is a private Chinese mining pool and cannot be joined. It mines about 7% of all blocks.
Bitfury is a private pool that cannot be joined. Bitfury currently mines about 3.5% of all blocks.