GMG manufactures and markets the following Industrial Gases, Process Gases, Shielding Gases and Specialty Gases, Gaseous and Liquid (Cryogenic) Gases from its various plants and filling stations.
- Oxygen
- Dissolved Acetylene
- Medical Oxygen
- Zero Air or Synthetic Air
- Nitrogen
- Specialty Gases
- Argon
- Dry Ice
- Hydrogen
- Carbon Di-oxide
- Helium
| Location | Capacity | Product | Users |
| Ghaziabad | 120 TPD | Gaseous Oxygen, Gaseous Nitrogen, Gaseous Hydrogen, Gaseous Helium, Speciality Gases, Gaseous and Liquid Medical Oxygen, Liquid Oxygen; Nitrogen; Argon & CO2 | Industrial i.e, Steel, Automobile, Pharmaceuticals, Fertilizers, Hydrocarbons etc and Hospitals. |
| Raipur I | 70 TPD | Gaseous Oxygen & Nitrogen and Liquid Nitrogen | Big Industrial House |
| Raipur II | 100 TPD | Gaseous Oxygen & Nitrogen and Liquid Oxygen; Nitrogen and Argon | Big Industrial House |
| Asansol I | 70 TPD | Gaseous Oxygen & Nitrogen | Big Industrial House |
| Asansol II | 200 TPD | Gaseous & Liquid (Cryogenic) Oxygen, Nitrogen and Argon. | Industrial i.e, Steel, Automobile, Pharmaceuticals, Fertilizers, Hydrocarbons etc and Hospitals. |
| Durgapur | 100 TPD | Gaseous Oxygen & Nitrogen and Liquid Nitrogen, Oxygen & Argon. | Big Industrial House |