Probably Bitpay can help! Get in touch with their support team to know more about their offerings. Bitpay is one of the most oldest and trusted settlement provider in this market for cryptocurrency. If you have a good volume, they may be able to offer some customized solution as well. It's better for you to get in touch with them to see if they will send your bitcoin payment instead of fiat. They are mostly used for crypto to fiat settlement for the merchants. But exception can be made I guess!