C64 Intros
Oase Oase+Inner City Oasis Obituary Obliterators of the Rebel City [ORC] Occult (CA) Occult (DE) Occult (US) Octagon [OCT] Octopus Software Service Odissey Offence OK-Koral Okey-Soft Breaking Company Omega Omega Cracking Team [OCT] Omega Crackings On Risky Ice [ORI] On Risky Ice+Bob Oneway Online Onslaught Onslaught Antiques Opal Opale Operation Underground [OUG] Ophis Optical Oregon Organisation for Software Swapping [OFSS] Organized Kaos [OK] Organized Professional Pirating Service, The [TOPPS] Original Original Pirates, The [TOP] Orin Orion Orion (1991, fake rebuild) Orion USA Outsiders 2005, The D O T (DK) Outsiders, The (US) Outsiders, The O T (DE) Overdoc Overkill [OKL] Overseas International Owl, The Oxigene Oxygen Oxyron
Some info comes here.
