Class 011
Environmental Control Instrument Products (lighting,heating,cooling,cooking)
non-metal chimneys
Class 019
Non-Metallic Building Material Products
metal chimneys
Class 037
Construction and Repair Services
building construction; repair of heating and sanitary installations, installation services, namely installation of metal and non-metal chimneys, apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes