3M International, Qatar's leading Limestone supplier, provides the highest quality Limestone in Doha, Qatar. 3M International performs all levels of earthwork such as excavation, removal, disposal, backfill, grading, and compacting. 3M International always keeps the bare necessities in stock, in case of an emergency requirement. We always maintain and refine high-quality materials by sourcing them from accredited quarries in accordance with the QCS standard.