Metal chimneys; metal heating ducts; ventilating ducts of metal; grease ducts for use in food service applications.
Metal GoodsMetal fabrication and finishing services for others; custom metal fabrication for others; cutting and processing of metal products; welding services.
Treatment of MaterialsInstallation, maintenance, and repair of heating, cooling, ventilating, and air-conditioning systems; installation, maintenance, and repair of residential and industrial furnaces; air duct cleaning services; HVAC duct cleaning services.
Building Construction and RepairDesign services for custom engineered venting systems; engineering design services in the field of metal fabrication.
Computer and Scientific