ZB.COM is a Hong Kong based exchange that ranks in the top 20 in terms of trading volume. It caters to the Chinese market and offers advanced trading features.
Trading Fee: 0.2%
Withdrawal Fee: 0.001 BTC
Number of Tokens/Coins: 79
ZB token holders receive discounts on trading fees.

B2BX is a cryptocurrency exchange and B2B crypto-trading service provider. In addition to its exchange, the company offers financial companies the tools and services they need to set up and manage their operations. The B2BX exchange offers B2B token holders a 35% discount on trading fees.

Bittrex is one of the largest crypto to crypto exchanges. It offers a large number of trading pairs, but do not allow fiat to crypto trading. Bittrex has one of the largest trading volumes in the market.
It is a reputable exchange with good record on security and is also fully regulated. They provide two factor authentication as well as a number of other options to secure funds. They are United States based and are fully compliant with all laws.
They support more than 190 cryptocurrencies and have a dynamic platform. It’s a good option for both advanced and beginner traders; providing advanced tools like candlestick charts and crosshairs, but with a user-friendly interface that is very intuitive.
Trading Fees: 0.25%