Coinbase - Bitcoin, safe and easy.
LocalCoinSwap - Community-owned P2P cryptocurrency exchange with no KYC and 95% cold storage wallet security.
Binance - Cryptocurrencies exchange platform
Airbitz - A Bitcoin wallet, new, reads well.
Poloniex - US-based cryptocurrency exchange with maximum security
LocalCryptos - LocalCryptos is one of the leading and secure peer-to-peer crypto marketplaces online.