Did you look around their website since sometimes the address of their headquarters are located in about, support just look at their website you'll find it there. How come that putting the company's address isn't allowed in their company policy? In my country the exchange coins.ph has their address posted and it can be accessed by anyone...
Binance has no information on their address or headquarters on their website. It may be because they are keeping the security because they can be the target of big time criminals.
We do not know the true purpose but we see that the binance is transparent in some detail, so if we do not have the confidence we can withdraw our crypto on their platform.