This business unit includes techniques such as micropiles, tieback anchors and nails, pile walls, soil mix walls, as well as jet grouting, soil injections and geothermal drilling. On the one hand these techniques can be applied in a wide variety of projects, from ones with limited space to ones on a very large scale. On the other hand they contain many common aspects and characteristics. The diversity of technology, together with a thorough knowledge of both soil mechanics and geology result in an optimum adaptation to the nature of the soil and in great flexibility. Franki Foundations has a lot of historical knowledge in this area, but the company has also focused on the development and implementation of various techniques in recent years, such as self-drilling rods, jet grouting, injections and geothermal drilling. Franki Foundations can adapt to all the environmental and / or soil technical conditions, as it has a very extensive range of machines, ranging from the strongest to the most multipurpose and flexible ones.