Blog News Corporate job downloads Smart Label PRODUCTS PROJECTS WHAT DO WE DO ABOUT US SUSTAINABILITY CONTACT BeginningAbout us Our history Our history Present - 2007 Collaborating with the visionaries of tomorrow 2007 - 1985 Collaborating with cities around the world 1985 - 1958 Worldwide expansion and development 1958 - 1907 Development of electricity in the 20th century This site uses cookies and gives you control over what you want to activate. For more information, visit our cookie policy . ✓ Accept cookies Set cookies