For example this website is doing it: https://search.google.com/test/rich-results/result/r%2Flocal-business?id=4kCUenBWPy_Lrnm4GJePuQ https://www.charmecamping.nl/land/nederland/gelderland/achterhoek/ https://secure.helpscout.net/conversation/2784375750/63669
