Non destructive testing and heat treatment since 1973, based in Thessaloniki and working across Greece.
N.D.T. Metals (Pileidis Thomas & Co) was established in 1999, continuing work in Non Destructive Testing (NDT) and Post Weld Heat Treatment (PWHT) that began in 1973.
All these years we have offered professionalism, reliability and safety to the construction and energy sectors: hydro and thermal power plants, gas pipelines and their stations, pressure vessels, tanks and much more.
Our laboratory in the Neochorouda Industrial Park, Thessaloniki, supports field crews equipped with X-ray crawlers, gamma sources, PAUT/TOFD systems, heat treatment units and mobile darkroom trucks.
Start of NDT and post weld heat treatment work in Thessaloniki.
N.D.T. Metals (Pileidis Thomas & Co) is established in Thessaloniki.
Laboratory accredited by E.SY.D. to ISO/IEC 17025.
Automated PAUT/TOFD and digital radiography on Greece's main energy projects.
Constantly renewed so our crews can mobilise anywhere in Greece with everything a project needs.






Quality and safety come first in every service we provide.
Our quality management system complies with ELOT EN ISO/IEC 17025 and the requirements of the Hellenic Accreditation System (E.SY.D.). Our facilities and equipment are licensed by the Greek Atomic Energy Commission (EEAE). Our integrated management system is certified to ISO 9001, ISO 14001 and ISO 45001, and our inspectors are certified to EN ISO 9712 / PCN.
ISO 17025
ISO 9001
ISO 14001
ISO 45001
EEAE Licence