Alliance, LTD. Veliky Novgorod, Russia

 Ventilation, air-conditioning, system cleaning, moisturizing and
dehumidification;
 Wiring: up to and over 1000 V, Transformer substation, work on Instrumentation;
 Metal constructions of any type and complexity from the manufacturer;
 plumbing works, metering of heat;
 Automatic irrigation system;
 Central vacuum cleaner;
 System "Smart house"
 Automatic gates, barriers, turnstiles, shutters (LLC "Zavod NEPT", "DEA);