 Landis+Gyr was originally known as Electrotechnisches Institut Theiler and Company, established on September 11, 1905.It was renamed Landis & Gyr, after Heinrich Landis and Karl Heinrich Gyr, who followed founder Richard Theiler as managers.Landis+Gyr designs and manufactures a range of metering products, systems, and services for electricity, heat, and gas for energy utilities around the world.