A French company founded in 1828 that specializes in testing and providing certification for compliance with standards. The company operates in 140 countries around the world, employs approximately 79,000 employees, and operates in many fields, including standardization and testing of infrastructure, food, industry, maritime transportation, and more.
An example of a cover that carries the standard on the "ultimate manhole covers" site. From this lid the picture that appears in the general section was taken.