W Economic sectors > W.04 Energy and Water Industries > W.04.01 Energy sector > Natural gas market

W Economic sectors > W.05 Resource Sector and Mining > W.05.01 Mining > W.05.01.02 Crude Petroleum and Natural Gas Production > Natural gas market

W Economic sectors > W.10 Trade > W.10.04 Trade in commodities and used materials > Natural gas market

V Economics > V.12 Environmental and resource economics > V.12.02 Energy economics > Energy market > Natural gas market

W Economic sectors > W.04 Energy and Water Industries > W.04.01 Energy sector > Energy market > Natural gas market