HVAC Vent Manufacturer#sep#Artis Metals Company Inc. - Chimney Caps, Vents, Dampers, J-Vents, Pipe Fittings, Plastic Caps, Roof Bases, Roof Flashings, Ventilators - Artis Metals Company pioneered the design and fabrication of the most popular chimney caps and ventilators used around the world today. When you specify “Artis”, you know you are specifying quality you can trust.