Logo Siemsa

  1. Ferrovial
  2. Siemsa
  3. What we do – Siemsa

Maintenance and Industrial Assembly

What sets us apart is our experience in setting up Electricity and Instrumentation at a wide range of industrial facilities and in comprehensive maintenance for electricity and related instrumentation.

In the Oil & Gas sector, we provide electricity services and instrumentation during operation and shutdowns for refineries, the petrochemical industry, and the storage and logistics industry.


  • Solar Plants
  • Wind Power Plants
  • Nuclear Plants
  • Combined Cycle Plants
  • Hydroelectric Plants

Oil & Gas

  • Refineries
  • Petrochemical industry

Chemical Industry

  • Metallurgical
  • Paper mill
  • Fertilizers
Google Play App Store