Greenzo Energy India Limited (GEIL), as per its annual filings, is engaged in the business of trading, manufacturing and assembly, export and import of engineering equipment to generate the hydrogen and its balance of the plant like compressor, motor, dryers, safety valves and its storage tanks, flow control meter, censers, controller, control panel, rectifier, pumps, transformer, steel tube, circulation tank, KOH pumps, HVAC system, hydrogen turbines and fuel cell system, hydrogen fueling stations and oxygen correction plant, nitrogen and ammonia generation plant, manufacture of solar structures, pump and generator assembly plant and other engineering goods also supply of fuel cell vehicles.