Bhagyanagar Gas Ltd.
Andhra Pradesh

MPP KVVCL
Madhya Pradesh

GESCOM
Karnataka

DVVNL
UP

MESCOM
Karnataka

CESC
Karnataka

MAHANAGAR GAS
Andhra Pradesh

PVVNL
UP

APCPDCL
Andhra Pradesh

APSPDCL
Andhra Pradesh

MPERC
Madhya Pradesh

MAHAVITARAN
Maharashtra

DGVCL
Gujarat

PSPCL
Punjab