Various, Steppenwolf, Black Sabbath, Deep Purple, Motörhead, Judas Priest, Ted Nugent, Ozzy Osbourne, Blue Öyster Cult, Rush, Cinderella, Scorpions, Dio, Kingdom Come, The Dogs D'Amour, Anthrax, Mammoth, Magnum, Vow Wow, Megadeth, Saxon, Lita Ford, Lisa Dominique, Exodus, Dream Theater, Acid Reign, Femme Fatale, Tigertailz, Wrathchild, Zodiac Mindwarp And The Love Reaction, House Of Lords

Seattle Grunge

Heavy riffs played by people raised on punk, recorded cheap in the Pacific Northwest and then sold worldwide.

Detroit Proto-Punk

Pull this thread and you get Michigan guitar noise from 1969 ballrooms to 1999 basements, unbroken.