Antonio Miguel Alonso and Sons, SL has been providing service since 1988. Since this activity began, the desire to improve , the innovative spirit and the rigorous and constant work , have made us what we are today. Flash Required Flash is required to view this media. Download Here. The complete material and human resources we have, together with the experience, ensures that our work prove accurate , reliable and durable , therefore economic . Our flexible structure allows us to tackle from large projects to smaller tasks. Both in small and large works, both yesterday and today, our goal is always the same, to get a satisfied customer . At Antonio Miguel Alonso and Sons, SL, the customer always comes first.