ista Deutschland GmbH
Grugaplatz 4
45131 Essen
(DE)
Rechtsanwalt,
Dr. Frank K. Lindenberg
Garather Schlossallee 19
40595 Düsseldorf
(DE)
Viterra Energy Services AG
Grugaplatz 4
Essen
(DE)
Англ.Data entry on consumption and billing for heating, cold water and hot water costs, as well as all other related household expenses.
Англ.Hire-purchase and leasing of water filters, dosing apparatus for water treatment and softening, water meters, heating cost distributors, hot water cost distributors, heat flow meters, heating thermostats, valves for thermostats, positioning motors for water valves, heating meters.
Англ.Maintenance of heating, hot water and cold water usage meters, maintenance of water filters, dosing apparatus for water treatment and softening, water meters, heating cost distributors, hot water cost distributors, heat flow meters, heating thermostats, valves for thermostats, positioning motors for water valves, heating meters.
Англ.Development and processing of computer programs for third parties.