Please note, we don't have any direct affiliation with any mounting providers, but here are some mounting providers that our current users have used in the past.
imageHOLDERS - This is an option one of our current users went with, and it looked great in the final result (see this screenshot). It's nice that the Square Chip Reader actually gets built into the encasing
Vidabox - They have some good looking and relatively affordable mounts.
Bosstab - Another mounting provider that one of our current users went with, check out their customer story for pics.