a selection of mine, excluding those already mentioned above
Slayer – South of Heaven
Anthrax – Sounds of White Noise
Skyscraper – Superstate
Ugly Kid Joe – Least Wanted (it counts as metal, my computer says so)
Skid Row – this was the first CD I ever heard so it gets a mention
Monster Magnet, Fu Manchu, Kyuss, Colour Haze, Truckfighters these days