Leading producers & suppliers of ready-mixed concrete & related products in Saudi Arabia; part of the Khalid Ali Alturki & Sons group; based in Alkhobar, with a network of branches across the country

Cement manufacturers based in Riyadh; makes Portland & sulphate-resistant cement

Company that deals in pre-engineered steel buildings, basic building elements, standard frames, secondary framing, roof & wall materials, Tempcon (sandwich) panels; based in Dammam, with facilities in Egypt & Vietnam

Business group with its head office in Dammam; has interests in building materials, hardware, timber, foods, rice mills, supermarket (United Central), stores (Giant), paints, animal feed, contracting, trading, land transport etc

Builders based in Riyadh; also have a factory to manufacture gypsum walls, blocks, prestressed slabs etc

Riyadh-based company whose activities include road construction & maintenance, selling related products, building construction, electricity, water & sewage works, renting equipment etc

Deals in building materials, electrical materials, architectural hardware, wood, steel & plastic products; also has interests in building & construction & architecture; based in Khobar, with offices in Riyadh & Jeddah

Comprises Adeeb Signs (sign fabrication), Adeeb Ceiling & Cladding Manufacture & Adeeb Trading (signage equipment like engraving machines etc); based in Riyadh

Has interests in retailing electronics & household appliances (Khobar), ready-mix concrete, eyecare (White House Opticals in Khobar), contracting, import-export (China)

Company based in Dammam; activities include producing liquid asphalt , emulsions, waterproofing membranes etc, undertaking telecom contract work, oilfield services (John Brown Saudi Arabia), building pipelines, road construction etc