Site map

• About COMSA Corporación
  • COMSA Corporación
  • Mission, vision and values
  • History
    • Gallery 1890-1920
    • Gallery 20’s
    • Gallery 30’s
    • Gallery 40’s
    • Gallery 50’s
    • Gallery 60’s
    • Gallery 70’s
    • Gallery 80’s
    • Gallery 90’s
    • Gallery 2000’s
    • Gallery 2010-20
  • Our methodology
  • Where we are
  • Group websites
• Activities
  • Construction
    • Railway infrastructures
    • Specialized civil works
    • Machinery
    • Aggregate and precast concrete
    • Building
  • Industrial engineering
    • Installations
    • Fire protection
    • Solutions for biopharma
    • Railway electrification
    • Railway systems
    • ITS Systems
    • Telecommunications
    • Airports and ports
    • Electricity transport and distribution
    • IT Solutions and Services
  • Maintenance, conservation and services
    • Maintenance of facilities
    • Fountains and ornamental lighting
    • Facilities management
    • Energy services company
    • Auxiliary services
    • Security systems
    • Installation of solar and photovoltaic energy
    • Healthcare services
    • Refurbishment of installations
    • Installation, maintenance and operation of renewable energies
    • Rolling stock maintenance
  • Infrastructures concession and renewable energies development
    • Railway concessions
    • Road concessions
    • Social infrastructure concessions
• Sustainability
  • Corporate governance
  • People
  • Social commitment
  • Certificates
  • Environment
  • Ethics and Compliance
• Innovation
  • Purpose of Innovation
  • Projects
  • Corporate Venturing
• Press room
  • Photo gallery
  • Communication area
  • Videos
  • Corporate publications
    • Annual Summary 2024
    • Sustainability Report 2024
    • Annual Summary 2025
  • Press releases
• Careers
• Legal texts
  • Legal warning
  • Cookies policy
  • Website Privacy Policy
• Compliance