STA is certified according to the environmental quality system ISO 9001, ISO 14001 and BS OHSAS 18001 for the "management system for health and safety at the workplace".
The purpose and field for the "design, construction and operation of water treatment plants and sludge disposal, recovery and disposal of waste, reclamation works, drinkable water plants".

The system for quality management aims to systematically provide products that meet customer requirements and in regulated areas to ensure that the primary goal of STA is aimed at customer satisfaction through an effective system of quality management, including processes related to continuous improvement and the prevention of nonconformity. To do that STA has set up an organizational structure that can handle all processes of the various business activities.

STA is accounted with SOA certification, issued by Authorized Certification Body with Presidential Decree 207/2010 in the following categories:

OS22 VII Waste water & drinking water treatment plants construction
OG6 III bis Aqueducts, gas pipelines, irrigation and evacuation
OS14 V Waste disposal and recycling plants
OS30 I Internal electrical installations, telephone, radio and televisioni
OG11 II Technological system
OG1 VII Civil and industrial buildings
Unlimited design

Accounted SOA with DPR 27/2010

Environmental quality system ISO 9001, ISO 14001 and BS OHSAS 18001

News and fairs

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