9. Real IRA – Annual Turnover $50 Million
Region: Northern Ireland, Ireland, United Kingdom
Purpose: Release of Northern Ireland and the creation of a united Irish state, which includes Northern Ireland and Ireland
Photo: A Police Service of Northern Ireland officer secures the area around the CIty of Culture offices in Londonderry, Northern Ireland, after a bomb blast by Thursday, Oct. 13, 2011. Irish Republican, recently being active in the area, are suspected to be behind the explosion.