United Hydrogen Group (UHG) is a provider of products and services to the hydrogen economy. It supplies gaseous and liquid hydrogen, nitrogen, carbon dioxide, and other industrial gases for food and beverage, biotechnology, agriculture, petroleum refining, petrochemicals, paints, mining, and other sectors. The company also offers leak testing on different types of systems, gaseous and liquid H2 ground storage, valve and regulator installation, inspections, pump and compressor repairs services, etc.