Jourgensen, with former and current bandmates, has been active in a number of musical projects besides Ministry. Foremost of these was Ministry's alter ego, the Revolting Cocks, founded by Jourgensen, Richard 23 and Luc van Acker during Ministry's and Front 242's tour in 1984. Since its formation, the band has released a number of records, and has gone through several line-up changes. 1000 Homo DJs, a project purposed for outtakes from The Land of Rape and Honey and The Mind ... , has recorded a cover of Black Sabbath's "Supernaut", featuring Nine Inch Nails frontman and one-time Revolting Cocks touring member Trent Reznor. PTP, a project led by Jourgensen and Barker, included the assistance from Nivek Ogre on one occasion, and Connelly on another, and notably provided the song "Show Me Your Spine" featured in Paul Verhoeven's 1987 film RoboCop. Other notable projects include Pailhead with Ian MacKaye of Minor Threat and Fugazi, Lard with former Dead Kennedys lead singer Jello Biafra, and Acid Horse with Cabaret Voltaire members Richard H. Kirk and Stephen Mallinder. Buck Satan and the 666 Shooters, a country project led by Jourgensen, released the sole album, Bikers Welcome Ladies Drink Free, in 2012 through 13th Planet Records.
Barker has released several solo recordings under various monikers, including Age of Reason and Chicks & Speed: Futurism as Lead into Gold in 1990, The Perfect Pair as Flowering Blight in 2008, and Fix This!!!, an accompanying soundtrack of Fix: The Ministry Movie, under his own name in 2012. Through the 2000s, Barker formed Pink Anvil with Max Brody and U.S.S.A. with the Jesus Lizard guitarist Duane Denison.