The CA also organised a conference on Irish unity sponsored by NALGO and RMT, the first time national unions had sponsored a conference on Ireland. Collaboration with the Action Group for Irish Youth and the Construction Safety Campaign resulted in a major photographic exhibition focusing on workers in the building industry. This was followed in 1991 by a pamphlet, Slaughter on Britain's Building Sites published by the Association. Guests at that year's Mountjoy Martyr's Commemoration event organised by the CA included Billy Power and Hugh Callaghan of the Birmingham Six