| Acronym | Definition |
|---|
| ONGC➣Oil and Natural Gas Corporation |
| ONGC➣Oil and Natural Gas Commission (India) |
| ONGC➣Office de Normalisation du Gouvernement Canadien (Canada) |
| ONGC➣Organitzacions No Governamentals Catalanes (Catalan: Catalan Non-Governmental Organizations; Spain) |
| ONGC➣Offshore News Gas Chronicle (Kuala Lumpur, Malaysia) |
| ONGC➣Oklahoma Natural Gas Co. (ONEOK, Inc.) |