Thermal oxidizers for industrial air pollution control; Thermal oxidizers for industrial air pollution control of volatile organic compounds, hazardous air pollutants, and odors; Recuperative thermal oxidizers for industrial air pollution control; Recuperative thermal oxidizers for industrial air pollution control of volatile organic compounds, hazardous air pollutants, and odors; Regenerative thermal oxidizer used to destroy airborne volatile organic compounds, airborne toxins, odors and other air pollutants from industrial operations
Environmental Control ApparatusInstallation, maintenance and repair of air purifying apparatus; Installation, maintenance and repair of industrial machinery; Installation, maintenance and repair of machinery; Installation, maintenance and repair of machines; Machinery installation, maintenance and repair; Maintenance and repair of industrial machinery; Repair and maintenance of industrial machinery
Building Construction and Repair