Of all time: Burzum
Some others: Grand Belial's Key, Rodovest, Khali-Juga, Astrofaes, Hate Forest, Drudkh, Blut Aus Nord, Deathspell Omega, Emperor, Enslaved, Epheles (excellent stuff), Forest Silence, Frostmoon, Silencer, Graveland, Ildjarn, Vinterriket, Imperial Crystalline Entombment, In The Woods... (early stuff), Judas Iscariot, Kampfar, Windir, Kvist, Leviathan, Lunar Aurora, Luror, Manetheren, Mistigo Varggoth Darkestra, Mjölnir, Nargaroth, Negura Bunget, Nerthus, Nordlicht, Paysage d'Hiver, Nocternity, Sear Bliss, Sort Vokter, Striborg, Summoning, Sun Of The Sleepless, Sunchariot, Taake, Temnozor, Ashen Light, Ulver, Vinterland, Vreid, Vlad Tepes, and Wyrd.
Yeah, I love black metal.