Diamond Concrete Drilling Co. Ltd is the longest established drilling firm in Scotland and North England. We have over 30 years professional experience and are members of the Drilling & Sawing Association. Diamond Concrete Drilling Co. Ltd was founded in 1974, when the use of diamond tooling was in its infancy, specialising in the use of these techniques with more than 30 years experience serving the Construction, Chemical Manufacturing, Utilities, Defence and Nuclear industries, together with the Health, Education, Housing and Roads Departments of numerous national authorities.