NAICS 221330: Steam and Air-Conditioning Supply
This industry comprises establishments primarily engaged in providing steam, heated air, or cooled air. The steam distribution may be through mains. Cross-References. Establishments primarily engaged in--Show more
NAICS 221330 – Steam and Air-Conditioning Supply covers the installation, maintenance, and supply of steam generation systems, central heating, ventilation, and air conditioning (HVAC) infrastructure for federal facilities. This sector supports mission-critical environmental control in government buildings, military installations, laboratories, and industrial complexes, ensuring thermal regulation, indoor air quality, and energy efficiency.
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