You curiosity may be fulfilled by
walletexplorer site. On the front page of that site there are plenty of links to services including those relevant to exchanges. Those links lead to wallets created by services. Following the link of your interest you may find what are you looking for.
95% of the time Wallet Explorer will not be able to identify the address as belonging to an exchange because
Is this solely your guess or you can prove your statement by research?
Okay, let's assume that 95% is correct (though I think this is very odd). Then, 5%-chance remains for success. Small step is better than standing still, it could pay off with a vengeance. At least I was able to identify bunch of addresses used by exchanges.