Quality
The group’s companies work to the highest standards of quality, and have earned the following certification:
| ISO 9001:2008 |
| SOA: Certification of ability to execute public works |
| ISO_14001_2004.pdf |
The group’s companies work to the highest standards of quality, and have earned the following certification:
| ISO 9001:2008 |
| SOA: Certification of ability to execute public works |
| ISO_14001_2004.pdf |