ControlByWeb (also known as Xytronix Research & Design) is a company that designs and manufactures products for remote monitoring, digital control, and industrial automation. It produces controllers, sensors, power supplies, and other products that are used for temperature and level monitoring, equipment security, water treatment, grain handling, boiler monitoring, light control, etc. The company caters to the security, building automation, refrigeration, parking, transportation, and wastewater industries.