11
Steam and high pressure hot water distribution systems comprised of heating, industrial, furnace, and waste heat boilers, hot water generators, economizers, feed water pumps, condensate pumps, control valves, fuel regulating valves, and process instrumentation systems that minimize fuel consumption while maximizing the energy output, all sold as a unit, all of the aforementioned are green in nature
37
Construction management; general construction contracting; power plant construction; construction of buildings; repair or maintenance of heavy construction machines; industrial construction of energy plants that produce steam, hot water and chilled water and energy plants that use waste steam to power turbines; boiler repair, installation, and maintenance including the retubing and erection, rigging and equipment setting of boilers; chiller plant installation; process piping and structural steel erection; maintenance and repair of boilers, chillers, and supporting equipment; air pollution control equipment construction and installation; erection and renovation of steam and high pressure hot water distribution systems; installation of large diameter piping systems; installation of bag houses and dust collectors, all of the aforementioned are green in nature
40
Welding, all of the aforementioned are green in nature
41
On-site training services in the field of plant operations and equipment operations and maintenance, all of the aforementioned are green in nature
42
Design of steam and high pressure hot water distribution systems; air pollution control equipment design, all of the aforementioned are green in nature
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