HG Fire Systems is a Houston-based fire protection contractor founded in 1988, serving Houston and the surrounding area. It designs and installs automatic fire sprinkler systems, standpipes, fire pumps and water storage tanks, backflow preventers and special hazard and detection systems, and carries out renovations, retrofits and full inspection, testing and maintenance programmes. Work covers industrial, commercial, office, residential, institutional, medical and education facilities. The firm holds Texas State Fire Marshal licence No. SCR-G-0609.