Primarily ride alone owing to the commute. Did have some biking buddies nearby when I first started out, motovloggers too! But, life got in the way and biking wasn't going to be for them for the foreseeable. Have a few other mates that ride now, good friends. But, we were never able to agree a date and time + Life again!
Tried some local bike meets nearby, but I am bit socially inept so didn't make lasting friendships. Only really been to Mr Fish meets, but get on well with people there so thats great for me.
I one went on a ride with Midlands Riders (no longer strictly Midlands based!) - there must have been 300+ bikers that morning - very overwhelming for me at the time. Public seemed to love us. Other traffic probably hated us! We rode out as 3, came back (half way) as a 5 after meeting some like minded bro's there. That was pretty cool. Really enjoyed that.