La Granja Insulators is a leading company specialised in the manufacture and supply of high quality glass insulators for electrical systems, and a key partner for consultancy services due to our expertise in insulation solutions for power lines. With a rich history spanning more than 90 years, we have gained a role as leaders known for our commitment to excellence and innovation.
We are based in La Granja de San Ildefonso, Segovia a city nearby Madrid (Spain). This emblematic town is the place from which we have been exporting insulators since 1932 and the reason for our name: La Granja Insulators.
With a centennial trajectory, our main focus lies in the development and manufacturing of glass insulators that play a crucial role in electrical systems, ensuring the safe and efficient transmission of electricity. Today we go a step further and contribute our knowledge and experience to provide a service beyond the products; guiding, advising and supporting electrical systems projects all over the world.