Underground Operations is a Toronto-based independent punk rock record label. Operated by Mark Spicoluk, former Closet Monster member, this label is one of the most successful independent labels in Canada. Bands on the label include Closet Monster, Protest The Hero, Machete Avenue, Bombs Over Providence, Hostage Life, Dead Letter Dept, I Hate Sally, The Holly Springs Disaster, The Brat Attack, and These Silhouettes.
