GNO’s businesses include Abrasives, Ceramic Materials Businesses (Silicon Carbide and Performance Ceramics & Refractories), Performance Plastics and ADFORS. The Saint-Gobain Country Head office, INDEC (the captive India IT Development Centre for the Saint-Gobain Group globally) and CertainTeed are also part of GNO. GNO’s subsidiary, Saint-Gobain Ceramic Materials Bhutan Pvt. Ltd., manufactures Silicon Carbide. The Group currently holds 51.66% of the equity capital of GNO.