Riyadh Exhibitions Company will organize here tomorrow the 17th international exhibition on "technologies of building and construction materials." More than 500 local and international specialized companies will participate in the 5-day show. Speaking on the occasion, Mohammed al-Hussein, the deputy director general of the company, said the building market in the Middle East and particularly in the Kingdom of Saudi Arabia witnessed remarkable growth notably in the last two years. He noted that the show will meet the requirements of the modern architecture. The companies participating in the show will display building materials, air conditioning and heating devices, aluminum products, doors and windows.