Bouygues Telecom Entreprises is a provider of products and services such as ladders, scaffolding and gangways, aluminium, for industrial installations,door frames, light alloy and aluminium,window frames, aluminium and light alloy,window frames, metal, double-glazed,window frames, metal, leaded light,window frames, hopper type, metal,window frames, sliding and folding, metal,window frames, casement, metal,window frames, sash, metal,shop window frames, aluminium,roof lights, dome, metal,roof lights, lantern, metal,roof lights, ventilating, metal,hatch windows, metal, sliding, for reception areas,windows, aluminium framed,fittings and components, metal, for awnings,handrails, metal.