Building Systems Trading & Contracting (BSTC) is a company established in the year 2001 under the laws of the state of Qatar.

BSTC is the sole representative of Zamil Architectural Industries (ZAI) based in Dammam Kingdom of Saudi Arabia. ZAI is the leading manufacturer and supplier of all types of Sun Shades, HDPE and PVC for Car Park, Bus Park, Playing Area and Swimming Pool, also manufacturer of all types of Stainless Steel, partition, and different types of aluminium cladding and skylights.

BSTC's vision, aims to offer and provide the widest range of High Quality Products needed in the Qatari market products that is manufactured by M/S Zamil Architectural Industries which is part of one of the leading groups in the region (Zamil group).