Gaslink is a startup from Belgium, which specializes in gas supply.   

Natural gas — the lowest-carbon fossil fuel — is the best option currently available for combating global warming while ensuring the world has access to the energy it needs. Accessible, plentiful and a good partner for renewables, natural gas has many attractive qualities. 

We chose to highlight the letter G, so that it resembles unity and a Burner flame. All natural colours are used to enhance it's green energy feeling.