About us

STIZO Nuclear S.A. is a construction company headquartered in Cernavodă, Romania, specializing in the nuclear and civil sectors. Founded through the reorganization of the Special Works and Technological Insulations Trust (TLSIT), the company has a team of experienced professionals with a solid reputation in its fields of activity.

In the nuclear sector, STIZO Nuclear S.A. operates in Cernavodă, while in the civil sector, it carries out projects in the industrial area of Constanța and the Port of Constanța. The company is known for its prompt and accurate compliance with contractual terms, deadlines, and allocated budgets, positioning itself as a reliable and efficient partner capable of successfully completing complex projects.

STIZO Nuclear S.A. is a member of the VINCI Energies group, a global leader in the construction market. The company owns a stock of high-performance machinery and equipment, ensuring the execution of any project under the agreed conditions. All works are carried out by specialized and qualified personnel, in accordance with the technical execution documentation and specific regulations.

The company’s fields of activity include:

  • Industrial construction: Turnkey industrial construction projects, including excavation, land improvement, concrete structures, waterproofing, and finishing works.
  • Structural reinforcement in construction: Technological processes for reinforcing concrete structures in the nuclear and civil sectors.
  • Thermal insulation for pipelines and equipment: Insulation with mineral wool and sheet metal protection, as well as cold insulation for temperatures down to -160°C.
  • Anti-corrosion protection: A wide range of anti-corrosion coatings for metal and concrete structures, including decontaminable epoxy/polyurethane linings in the nuclear sector.
  • Fire protection: Fireproofing using mineral wool and cement-based mortars or intumescent paints, for both cellulosic and hydrocarbon fires.
  • Thermal and waterproof insulation: Various types of thermal and waterproof insulation, in accordance with project requirements or proprietary technologies.
  • Special works: Shotcrete concrete application, crack sealing in concrete through injection, and sealing of settlement joints.