Hey! Check this out:
https://us.forums.blizzard.com/en/wow/t/wra-information-directories/651240/18
While I’m not sure some are still active, there’s a few guilds that are kindaaa what you’re looking for.
The Oyster Business, Raven Collective, Gearpunk Dynamics, Soulshatter Cult, Macabre Mask are just a few!