40 Production of energy; production of energy, hydrogen and ammonia; capturing and conversion of energy; clean energy production; energy generation services; generating electricity from hydrogen; production of power; fuel processing; Production, treatment and refinement of fuel; Manufacturing of equipment used for the production energy, chemicals, and gasses
39 Transmission of fuels through pipelines; fuel delivery services; distribution of energy; Distribution of renewable energy; distribution of hydrogen and ammonia
37 Laying and construction of pipelines; operation and maintenance of energy, hydrogen, oil and gas infrastructure and pipelines
36 Trading of hydrogen, gases, and chemicals, allowances or offsets of others; Financial services, namely, trading in commodities, fuel options, futures, hydrogen, gas and chemical products; energy brokerage services