Blackest Sludge, bleakest Metal.
Throne Records is a European independent record label established in 2001, specialised mainly in high quality vinyl releases.
Some of the most representative artists of the Throne Records' catalog are: Corrupted, Grief, Noothgrush, Eyehategod, Hell, Meth Drinker, Dystopia, Ethereal Shroud, Spectral Lore, Sangre De Muérdago, Nadja, Altarage, Dope Smoker, Suma or El Altar Del Holocausto (just to name a few).
Here's a detailed listing of all the Throne releases so far.