Quote Originally Posted by 'heffner',index.php?page=Thread&postID=207671#post 207671
I rarely see any other multiboxers on my server as well. However, just recently I ran across two teams leveling up on Alliance side! So, we are not alone but it doesn't appear to be common. The turnover rate seems rather high too. People seem to get burned out or bored. Just go through the archives on this board and you will see many names that don't appear to be active any longer [maybe they still play, but you'd assume they go hand in hand].

So, I can't imagine there are any other multiboxer guilds out there besides the two mentioned.
I'm on Cenarius server, I have teams on both horde and alliance. I'm pretty causal though and just play to have fun. I wouldn't mind trying out naxx or something else sometime if you have any 80 teams.