Contracting authority: State Secretariat for Social Security and Pensions.

The GISS Madrid service covers the complete maintenance of the electrical, air conditioning, plumbing, security, fire protection, locksmith and gardening installations of the buildings that make up the Social Security IT Management, which is one of the largest public data protection centres, has dozens of computer servers and requires exhaustive maintenance 24 hours a day. The contract covers three buildings, two in Madrid and a third in Torrejón de Ardoz.