11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
environmental control system for industrial applications comprised of combustion chambers, gas and electric furnaces, gas burners, incinerators, gas and electric boilers, water heaters, heat transfer fluid heaters, waste gas heat exchangers not being parts of machines, waste heat recovery units, dryers used for the removal of vapor contaminants from compressed air and gases, electric heaters and electric boilers, and also including electrical controlling devices; heating apparatus for industrial use, namely, process tubular fired heaters, direct fired heaters, refining and petrochemical furnaces, waste heat recovery units and heat recovery units not being parts of machines; steam generating apparatus comprised of waste heat boilers for generating saturated or superheated steam for process use, cogeneration, combined cycle or other power generation cycles, industrial boilers, carbon monoxide industrial boilers, flue gas coolers, and waste heat recovery units for recovering heat from incineration, petrochemical, and refining operations; distillation apparatus and installations not for scientific purposes sold as a unit for process distillation, comprised of atmospheric and vacuum distillation furnaces, process tubular fired heaters, and direct fired heaters; waste heat recovery boilers and units for use in enhanced oil recovery, cyclical steam stimulation, and steam assisted gravity drainage (sagd) applications; heating boilers, namely, waste heat boilers for heating, fire packaged watertube boilers for heating, custom and specialty steam boilers for heating, once through steam generators, and heat recovery steam generators, for enhanced oil recovery, cyclical steam stimulation, and steam assisted gravity drainage (sagd) applications; waste heat recovery boilers for use in petrochemical plants and heat recovery steam generators to recover waste heat from gas turbines, all for use in producing saturated or superheated steam for process, cogeneration, combined cycle, or electric power generation
37
Building construction; repair; installation services
installation, maintenance, and repair of power and energy generation machinery and equipment; consultation services in the field of installation, maintenance, and repair of power and energy generation machinery and equipment; installation, maintenance, repair, and renovation of steam and gas turbine generators and their components and parts; installation, maintenance, repair, and renovation of heat recovery steam generators, heat exchangers, boilers, once through steam generators and steam assisted gravity drainage (sagd) units and their components and parts
40
Treatment of materials
contract manufacturing for others in the field of heat recovery steam generators, heat exchangers, boilers, once through steam generators and steam assisted gravity drainage (sagd) units; custom construction of heat recovery steam generators, heat exchangers, boilers, once through steam generators and steam assisted gravity drainage (sagd) units for others; fabrication of heat recovery steam generators, heat exchangers, boilers, once through steam generators and steam assisted gravity drainage (sagd) units for others; custom manufacture of combustion systems for industrial applications, vapor recovery systems and marine handling systems