Moscow Brewing Company (the one that makes Khamovniki which got my personal “Best Moscow Beer” award recently) runs offers free tours of the facility Saturdays and Sundays. Details in Russian are here >> The English version is just too minimalistic to be of any use.
Mytishi (knows for its quality springs), just outside of Moscow from north-east, Volkovskoye Shosse 12.
Sign up by calling main reception +7 495 788 5433 or writing firstname.lastname@example.org. Tour guide’s personal mobile is +7 965 181 8580, calling time daily from 1pm to 5pm.
It is on my list of things to do. You are welcome to join. Translation on me, beer on you.