There are currently five companies that want to include ETH in their treasury: 1. SharpLink (205634 ETH, the largest publicly traded ETH holder to date); 2. Bit Digital: Approximately 100603 ETH, fully transitioning to Ethereum treasury, even selling BTC for ETH, I don't quite understand this; 3. GameSquare: Claiming to build an Ethereum treasury worth up to $100 million; 4. BitMine: plans to build an ETH treasury through a $250 million private placement, the specific amount of which has not been disclosed; 5. BTCS: Approximately 13500 ETH, claiming to have Ethereum as its core strategy.