1.Indraprastha Gas Limited (IGL)
2.GAIL Gas Limited
3.Mahanagar Gas Limited (MGL)
4.Gujarat Gas Limited
5.Adani Gas Limited
6.Maharashtra Natural Gas Limited (MNGL)
7.Central U.P. Gas Limited (CUGL)
8.Bhagyanagar Gas Limited (BGL)
9. Tripura Natural Gas Company Limited (TNGCL)
10.Sabarmati Gas Limited (SGL)
11. Green Gas Limited