The Miners Guild is a decently sized umbrella organization that oversees many smaller divisions across the Nightspell Moors. They are mostly concerned with mining and mining logistics, but also provide protection for mining communities, and work with other guilds to make sure their members are provided for.
They have a good amount of influence in the Circle of Merchants due to the strength of peat as an export from the Moors, but when operations go wrong, they are often treated harshly by the other guilds.
The current head of the Miners Guild is Kulgan Greysoot.