Tephra

Formed in Braunschweig, Germany by the end of 2003, these guys have released two full-lengths, the self-titled «Tephra» (2005) and «A Modicum of Truth» (2007); a 7" split with Omega Massif is expected soon too.

For the likes of Mouth of the Architect, Rosetta, Amenra.

They've gathered everything for free download on their last.fm profile:
Demo (2004)
Tephra (2005)
A Modicum of Truth (2007)

MySpace

Kowloon Walled City

Dwelling somewhere between Sludge and Noise Rock San Francisco's Kowloon Walled City deliver us their debut album.

Gambling on the Richter Scale (2009)
MySpace

9Horizon

9Horizon hail from Latvia. They play some modern punkish sludge.
They aren't original at all. But somehow their music captivated me.
Check them out.

EndStartEnd
myspace

Mammoth Grinder

Mammoth Grinder is a sludgy crust punk trio from Austin, Texas. Not much is known about this guys, but if your into southern sludge and "modern" crust this is a must. Get it!

Rage And Ruin
myspace

Churches Burn

Dirty Sludge addicts.For fans of Electric Wizard and the mighty Buzzoven.

Adversary

Windmills by the Ocean

Windmills by the Ocean is a project born in Boston formed by members within the ranks of Isis, Red Sparowes, 27 and Anodyne. This first and only release, a five track self-titled album, was recorded back in August 2003 but it only saw the light of day three years later by the hands of Robotic Empire. Expect an instrumental and atmospheric adventure ranging from post-rock to sludge, doom and even drone.

Windmills By The Ocean

Eyehategod

Great band. Great album. Great song. Great video.