Áridos de Melo has obtained the Certification of its Quality Management System, in accordance with the ISO 9001:2015 Standard, and of its Environmental Management System, in accordance with the ISO 14001:2015 Standard, for the activities of:

• production and supply of concrete,
• production, supply and spreading of asphalt mixes,
• Milling and replacement of pavements on roads, runways, streets and airports.

These certificates are valid for 3 years, with annual monitoring to verify their correct implementation.