Viterra Energy Services is a wholly owned subsidiary of Viterra AG and therefore belongs to the E.ON Corporation, the third-largest industrial company in Germany with its core business in energy.

As a worldwide-leading specialist in energy and water billing, devices and the associated services are provided all in one as part of the systems business. With over 65 offices in 28 countries, 3,680 employees attend to over 530,000 customers. EXCELSIS developed a speech application for the acquisition of meter readings via phone for Viterra Energy Services.