INTRAESA is the Engineering division of the COMSA Group and specialises in drawing up studies, projects and site management reports for transport and industrial engineering infrastructures. With over 20 years' experience in the sector, it has participated in the most important infrastructure works in Spain. Aimed at specialisation with its own clients and with the best technologies and human resources team, it has permanent centres in Alicante, Barcelona and Madrid. You can access the INTRAESA catalogue in PDF format by Acrobat by clicking on the folder. Tramway Catalogue If you do not have Adobe Acrobat Reader, you can install it in your computer, free of charge, by clicking here