Dear members, your help is highly appreciated. Feel free to submit a support ticket to your favorite exchange and ask if they foresee the Segwit2x fork listing anytime soon.
The larger and more active is the community the faster exchange platforms should commit to a fork

1. Bitfinex
https://www.bitfinex.com/support
https://twitter.com/bitfinex

2. Bithumb
https://www.bithumb.com/u1/US129/18?v=pc

3. Bittrex
https://bittrex.zendesk.com/hc/en-us
http://slack.bittrex.com/
https://twitter.com/BittrexExchange

4. Binance
https://support.binance.com/hc/en-us
https://twitter.com/binance_2017
https://t.me/binanceexchange (ENG)
https://t.me/BinanceChinese (CH)
https://t.me/binanceexchange (RU)

5. OKEx
https://www.okex.com/linkUs.html
https://twitter.com/OKEx_

6. Poloniex
https://poloniex.freshdesk.com/support/home
https://twitter.com/Poloniex

7. Bitstamp
https://www.bitstamp.net/
https://twitter.com/Bitstamp

8. Huobi
https://www.huobi.pro/
https://twitter.com/HUOBI_Pro
https://t.me/huobiproofficial

9. Kraken
https://support.kraken.com/hc/en-us/requests/new
https://twitter.com/krakenfx

10. EXX
https://cex.io/
https://t.me/EXXcom