Apparatus and installations for ventilating, namely, fans for commercial or industrial use and air curtains; Air-conditioning apparatus; Air curtains; Air curtains for ventilation; Hot air curtains

Portable and prefabricated metal buildings, and the component parts therefor, namely, metal stabilizing pillars, columns, supports, bars and braces stabilized by gas or air, roofs, walls and floors; Metal fair stands

Air quality testing service for the real estate industry