Started its journey in 2011 as a single compartment of Architectural Design and Developments. Over the years, its performance demanded its expansion and started all types Construction and Development works. So, new compartments added. No Development takes place without quality and timely supply, therefore BTSL expanded its Supply Chain Wing to materialize quality Goods from various sources.
Directorate General of Defense Purchase (DGDP), Bangladesh Investment Development Authority(BIDA), Rupali Bank Ltd. has enlisted BTSL as their valued supplier/Vendor. We supplied Imported Boulder and LC Black Stone to China Harbor Engineering Company Ltd. and Bijoy Rakeen City Project.