FR The multi-specialist in energy Since 1947, Collignon has specialized in the study, design, construction and maintenance of electrical, HVAC and industrial installations. Learn more about our company OUR JOBS A large range of complementary professions See all our jobs OUR ACHIEVEMENTS Consult our most beautiful references See all our achievements Business Unit Buildings Liège Rue de l'Expansion 45 - 4460 Grâce-Hollogne - Belgique +32 (0)4 388 01 39 info.collignon@eiffageenergie.be Directions to this place Business Unit Buildings Nivelles Rue Altiero Spinelli 4 - 1401 Nivelles (North) - Belgium +32 (0) 67 85 28 20 info.collignon@eiffageenergie.be Directions to this place Business Unit Buildings Erezée Briscol 4 - 6997 Erezée - Belgium +32 (0) 86 47 77 00 info.collignon@eiffageenergie.be Directions to this place Keyboard shortcuts Map data ©2021 GeoBasis-DE/BKG (©2009), Google Terms of Use ® 2021 Collignon ENG. Legal Notice Privacy Policy Terms of Service Sitemap Follow us eiffageenergie.com eiffage.com Our website uses cookies to remember your chosen language and to manage site usage statistics. You can allow or refuse the installation of these cookies. Here you will find more information about our cookie policy . I accept