Alrighty.
Death metal:
Vital Remains - "Dechristianize", "Icons Of Evil", "Hammer Down The Nails", "Savior To None... Failure To All"
Lykathea Aflame - "To Give", "To Become Shelter And Salvation", "Sadness And Strength", "On The Way Home"
Nile - "Cast Down The Heretic", "Black Seeds Of Vengeance", "Unas, Slayer Of Gods", "Von Unaussprechlichen Kulten", "To Dream Of Ur"
God Dethroned - "Gods Of Terror", "Into The Lungs Of Hell", "Lair Of The White Worm", "Sigma Enigma"
Black metal:
Summoning - "The Passing Of The Grey Company", "Might And Glory", "A Distant Flame Before The Sun", "Like Some Snow-Covered Marble Eye"
Emperor - "Thus Spake The Nightspirit", "The Loss And Curse Of Reverence", "Ye Entrancemperium", "With Strength I Burn"
Immortal - "At The Heart Of Winter", "Tyrants", "Sons Of Northern Darkness", "Antarctica", "Withstand The Fall Of Time"
Rivendell - "The Fall Of Gil-Galad", "Misty Mountains", "The King's Triumph", "Aragorn, Son Of Arathorn"
Sólstafir - "I Myself The Visionary Head", "Ritual Of Fire", "Ei Vid Munum Idrast", "Àrstidir Daudans"
Solgrav - "Noitakansa", "Korpimaa", "Auringonhauta", "Hourejumala"
Sirius - "Fiery Strife At The Cosmic Gates Of Armageddon", "Out Of The Serpent Line", "The Collapsing Spheres Of Time", "Aeons Of Magick"
Marduk - "Dreams Of Blood And Iron", "To The Death's Head True", "Blütrache", "Echoes From The Past"
Power metal:
Iron Savior - "Starborn", "Ironbound", "The Warrior"
Persuader - "Fire At Will", "The Hunter", "Turn To Dust", "Raise Hell"
Human Fortress - "Schattentor", "Knights In Shining Armor", "Lord Of Earth And Heavens Heir", "Defender Of The Crown"
Kamelot - "Farewell", "Snow", "Lost & Damned", "Soul Society", "March Of Mephisto"
Viking metal:
Bathory - "A Good Day To Die", "Great Hall Awaits A Fallen Brother", "Sea Wolf", "Death And Resurrection Of A Northern Son", "The Messenger"
Bombensturm - "Runen", "Baldurs Träume", "Schwerttau"
Moonsorrow - "Aurinko Ja Kuu", "Raunioilla", "Tuleen Ajettu Maa", "Jumalten Kaupunki incl. Tuhatvuotinen Perintö", "Unohduksen Lapsi"
Here's a few, I may update the list once I get home and access to my playlist but this just off the top of my head.