Water, sewage and other systems
North American Industry Classification System code (NAICS): 2213
This industry group comprises establishments primarily engaged in operating water, sewage and related systems.
22131 · Water supply and irrigation systems
This industry comprises establishments primarily engaged in operating water collection, treatment and distribution systems for domestic and industrial needs. Establishments primarily engaged in operating irrigation systems are included.
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22132 · Sewage treatment facilities
This industry comprises establishments primarily engaged in operating sewer systems and sewage treatment facilities that collect, treat and dispose of wastewater.
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22133 · Steam and air-conditioning supply
This industry comprises establishments primarily engaged in the production or distribution of steam and heated or cooled air.
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