About Us About Us H2G Systems GmbH is a joint venture of three partners that all have many years of experience in the filling station and hydrogen business. More than 30 years of successful activity in the petrol station business More than 150 hydrogen filling stations built worldwide Turnkey plants: from planning including approval procedures to construction and maintenance. Everything from a single source Reliable, prompt service with our own employees Competitive fixed prices Short delivery times Technology that has proven itself many times over internationally Future-proof, as over 80% of the components come from our own production In-house software development of the filling station control, thus easy adaptation to future refueling protocols