Since 2000, the VRG plants certified its Quality System according to the UNI EN ISO 9001:2008 keeping it constantly over the years.
The company is also in possession of the SOA certification for participation in tenders and procurement for the following categories:
OG1 II level: civil and industrial buildings
OG10 III level: systems for processing high / medium voltage and for the distribution of electricity in AC and DC
OG11 IV level: technological
OS19 I level: installations of telecommunication networks and data transmissions and treatment
OS28 II level : heating and air conditioning
OS30 III level: internal systems electrical, telephone, radio and television systems