Poloniex is an established crypto to crypto exchange that is based in the United States. It offers a large selection of tokens to trade and has high liquidity. Poloniex was hacked in 2014, and lost more than 12% of their bitcoin supply. They have improved their security protocols since then. In February, 2018 Poloniex was acquired by Circle, one of the largest crypto payment providers.

Trading Fee: 0%-0.1% Maker and 0%-0.2% Taker
Deposit Fee: Varying Depending on blockchain fees
Withdrawal Fee: Varying Depending on blockchain fees
Number of Tokens/Coins: 97

CoinsBank is a cryptocurrency platform that offers several services, including: a wallet, payment services, and exchange. CoinsBank was formerly known as BIT-X, but underwent a re-branding effort in 2016. The company operates in Scotland but is registered in Belize.

Trading Fee: 0.5%
Withdrawal Fee: 0.001 BTC
Number of Markets: 7

The fees are significantly higher than other exchanges.

QUOINE is a Japanese fintech company that is developing several liquidity focused trading platforms. QUOINE was the first cryptocurrency company to be officially licensed by the Japanese Financial Services Agency.
QUOINE runs 2 exchanges and a platform called LIQUID, that is designed to solve the problems related to liquidity in crypto markets. Quoinex is a fully regulated Crypto-Fiat exchange and was the first exchange to ever be audited by Deloitte. Qryptos is a crypto-only exchange.
The company's exchanges have an attractive fee structure

Trading Fee: 0 for base currency pairs, 0.25% for BTC and BHC pairs, 0.1% for ETH pairs
Withdrawal Fee: $5/5 Euros on fiat currency, Free on Crypto withdrawals
Number of Tokens/Coins: 50

QUOINE's platforms are powered by the QASH utility token.