Being in the business since 1996, Class 1 Controls Inc. has been providing, installing and commissioning direct digital controls and building automation systems (DDC/BAS) for the building systems industry. Based in Houston, Texas, it specialize in direct digital controls and building automation systems (DDC/BAS) system for various critical environments, such as laboratories, clean rooms, hospitals, hi-tech manufacturing, refinery control room and very important person offices. Class 1 Controls Inc. installs structured cabling for building systems. The majority of the DDC/BAS systems installed by the firm is used to control the heating, ventilating and air conditioning systems in large and/or complex buildings.