Assuming they haven’t changed supplier since 2016, it’s made by kikkoman. It’s been made by kikkoman for as long as I remember. There was a sauce that was packaged differently a while back but since you said bottle then it should just be the regular/old one.
fyi, here is the other sauce JL switched to before:
https://www.amazon.co.jp/安達製麺-【送料こみこ.../dp/B075GZRPRT