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Class 3520 - Manufacture of Gas; Distribution of Gaseous Fuels Through Mains

PSIC Class 3520 covers Manufacture of Gas; Distribution of Gaseous Fuels Through Mains. Current child subclasses include Manufacture of Gas; Distribution of Gaseous Fuels Through Mains. This four-digit layer is useful...

Level Class
Hierarchy depth 4/5
Children 1
Last verified 2026-10-21
About this level

Practical summary

Class 3520 sits in the PSIC 2019 hierarchy under D Electricity, Gas, Steam and Air Conditioning Supply > 35 Electricity, Gas, Steam and Air Conditioning Supply > 352 Manufacture of Gas; Distribution of Gaseous Fuels Through Mains. This class usually fans out into more specific subclasses such as Manufacture of Gas; Distribution of Gaseous Fuels Through Mains. It is the level people use when they already know the activity family but still need the exact five-digit match.