One of the primary questions retailers and merchants have is how they can accept bitcoin payments at their brick-and-mortar location. While there are plenty of applications out there that provide such functionality, some shop owners prefer to use a point-of-sale solution. There are quite a few bitcoin companies who provide these products, indicating there still a large market for Bitcoin POS terminals...
https://themerkle.com/4-companies-providing-bitcoin-point-of-sale-terminal-payments-to-store-owners/