list of addresses for major bitcoin exchanges
Try searching for largest balances on the blockchain explorers and they sometimes have them labeled. For example: Bitcoin Rich List shows:


3D2oetdNuZUqQHPJmcMDDHYoqkyNVsFk9r
wallet: Bitfinex-coldwallet 179,384 BTC 
16ftSEQ4ctQFDtVZiUBusQUjRrGhM3JYwe
wallet: Binance-wallet  158,779 BTC
16rCmCmbuWDhPjWTrpQGaU3EPdZF7MTdUk
wallet: Bittrex-coldwallet  112,203 BTC
3Nxwenay9Z8Lc9JBiywExpnEFiLp6Afp8v
wallet: Bitstamp-coldwallet 101,848 BTC
3Cbq7aT1tY8kMxWLbitaG7yT6bPbKChq64
wallet: Huobi-wallet 98,042 BTC