Diorite Ireland Ltd. is a design lead company specialising in the manufacture of engineered composite & stone surfaces. With over 30 years experience in the composite field beginning in California as fabricators of Corian & then in 1996 returning to Ireland to set up Diorite Solid Surface Technology. Working with architects designers & specifiers, we supply the retail trade including kitchen bathroom & fit-out companies with both composite & quartz countertops & furniture.