[Class : 11] Steam Generators, Heat Exchangers Other Than Part Of Machines

[Class : 39] Distribution Of Renewable Energy.

[Class : 7] Gas Compressor & Dispenser (Machine & Machine Parts), Electric (Pressure Reducing Skid) Power Generator, Windmills; Heat Exchanger Being Parts Of Machine

[Class : 6] Metal Flanges.

[Class : 37] Installation, Repair & Maintenance Of Biogas Plants & Machines.

[Class : 9] Solar Panels, Solar Modules & Solar Cells & Solar Batteries

[Class : 4] Landfill Gas, Electrical Energy (From Renewable Sources), Fuel Gas (Biogas).

[Class : 40] Production Of Energy.