Bruno Cromback

Nanomakers SA designs and manufactures silicon carbide nanopowders. It offers increase in mechanical and chemical performance for different industrial equipments and materials such as buildings, aeronautics, space, nuclear, automotive and semiconductors. The company was founded by François Tenegal in January 2010 and is headquartered in Ramboillet, France.

Crometal SA manufactures plastic and metal clip fasteners. The firm manufactures metal and plastic parts for industry, construction and local amenities. Few of its products include manhole covers and trapdoors, paint spraying cupboards, concrete rings and frames. It also manufactures fastening devices, stopcocks, paint sprayers, elevators, mastic for industry, metal frameworks for the building industry and car accessories. The company is headquartered in Paris, France.