Really there are a few recommended choices all starting with 1 inch sensors. They are all pretty expensive when you get down to it, but
Camera links:
Sony RX100 Mark V: https://amzn.to/2rl5cSX
Sony RX10 Mark IV: https://amzn.to/2HRz14n
Sony RX100 Series: https://amzn.to/2wefvOb
Sony RX1 Full Frame: https://amzn.to/2JXgBQC
Fuji X100F: https://amzn.to/2FLjHEL
DXO One: https://amzn.to/2HPxsrY
Panasonic GX85: https://amzn.to/2FKZ2R3