1. Antpool :This is the largest bitcoin mining pool.this pool mined 16.6% of the block ,it is located in China and it is a menber of bitmain.bitmain is a company that deal with the production of hardware.Their product are antminer S9.It mines other coin like litecoin,ethereum and zcash.it has PPS 5% mining fess.
Here is the link to the site 蚂蚁矿池Antpool – 先进的比特币矿池
2.F2pool:this is known to be the second largest bitcoin mining pool.it mined 12% of the block.it is equally located in China and it is a Chinese company.it also extend it work by mining litecoin,ethereum and zcash
Here is the link to the site F2Pool – 比特币矿池，莱特币、以太坊矿池
3.Bitfury:According to blocktrail,it is the third largest mining pool.it mine 11% of the block.it is also one of the largest production of mining hardware.it is a private pool .it is base in Goergia
Here is the link to the site Bitfury
4. BTCC :this is an exchange site and also mining pool.it mined 8% of the block and it base in China. Transaction fees is shared among miners
Here the link https://pool.btcchina.com
5.Bixin :this is a new company but has mined 7.1% of the block in the recent month.it base in China.
Here is the link Bixin leading bitcoin wallet
6. Slushpool:This is the first ever bitcoin mining pool to be created and it is one of the best though it is not the largest pool.it mined 6% of the block.it base in Czech republic
Here is the link Homepage – slushpool.com
7.BW:This is another china base company.it mined 5.7% of the block.
Here is the link 币网BW.COM-最专业的比特币矿池
8.viaBTC:This is a new company,came online less than a year ago.this is also a cloud mining site just like genesis mining but has mining pool.it mined 5.7% of the block so they really do similar things like bitclub network.you can sign up with my affiliates link here to sign contract with them Bitcoin Mining Pool – – ViaBTC
9.BitClub Network: this company do similar work like via btc,offering cloud mining and also has mining pool.it mined 4.7% of the block
10.bitcoin.com :This is another new company which base in china.it mined 2.8% of the block.
Here is the link Bitcoin – The Internet of Money
From this review,china mined 80% of the bitcoin in the world and 20% are left to other countries.