• UNI EN ISO 9001:2015 Quality Management System;
  • BS OHSAS 18001:2007 Workers Health & Safety Management System;
  • UNI EN ISO 3834-2:2006 Welding Activities Management System;
  • SOA Certification (OG6-CLASS. II; OS18-CLASS. IV; OS28-CLASS. III);
  • Transformation Center Activity Certification as a workshop for metal carpentry production at the Central Technical Service of the Board of Public Works;
  • Certification EN 1090-1 for CE marking of structural works;
  • Certification F-GAS.


  • International Welding Technologist;
  • International Welding Inspector;
  • Personnel for non-distructive tests certificated: EN 473/ISO 9712 – LEVEL 2-PT-VT-RT;
  • Welding procedures (WPS) qualified by Third Party authorities (WPQR) and Welders qualified by Third Party authorities (WQR) for welding of carbon steel, stain-less steel, Cr-Mo steel, heterogeneous;
  • All welders are qualified from Third Party authorities (WPQ to EN / ASME) for welding of Carbon Steel, Stainless Steels, alloy steels Cr-Mo, heterogeneous;
  • PE welding qualified welder, in accordance to UNI 9737.

MAC Impianti S.r.l. continues to invest, as well as in production facilities, in the "Quality Guarantee" of production, considering its qualifying characteristics of the activities, during the processing steps and also the final product.