ISD Ltd ( Formally International Structural Draughting) have been in existence since April 1987. We have many years experience in the detailing of structural steel & have detailed jobs from 25 ton to 31,000 tons. All types of jobs from commercial building , Schools & colleges to large convention centres, football stadiums etc. 90% of our work is for the USA & we have worked for a lot of major fabricators all over the world