Saint-Gobain Corporation will probably be involved. The holding company oversees the North American operations of French materials group Compagnie de Saint-Gobain. Its subsidiaries produce and distribute a wide range of consumer, construction, and industrial products including building materials, flat glass, abrasives, ceramics, containers, crystal-based technology, cabinets and countertops, high-performance plastics, and technical fabrics. Holdings include CertainTeed (insulation, vinyl siding, shingles), Saint-Gobain Container (glass jars and bottles), and Norandex (building materials distribution). Saint-Gobain Corporation has more than 350 locations throughout North America.