Manufacture of other non-metallic mineral products Standard Industrial Classification (SIC) codes of UK-based importers and exporters 23110 - Manufacture of flat glass (268) 23120 - Shaping and processing of flat glass (494) 23130 - Manufacture of hollow glass (97) 23140 - Manufacture of glass fibres (212) 23190 - Manufacture and processing of other glass, including technical glassware (488) 23200 - Manufacture of refractory products (144) 23310 - Manufacture of ceramic tiles and flags (182) 23320 - Manufacture of bricks, tiles and construction products, in baked clay (801) 23410 - Manufacture of ceramic household and ornamental articles (1004) 23420 - Manufacture of ceramic sanitary fixtures (146) 23430 - Manufacture of ceramic insulators and insulating fittings (141) 23440 - Manufacture of other technical ceramic products (193) 23490 - Manufacture of other ceramic products n.e.c. (280) 23510 - Manufacture of cement (95) 23520 - Manufacture of lime and plaster (61) 23610 - Manufacture of concrete products for construction purposes (1185) 23620 - Manufacture of plaster products for construction purposes (440) 23630 - Manufacture of ready-mixed concrete (548) 23640 - Manufacture of mortars (40) 23650 - Manufacture of fibre cement (30) 23690 - Manufacture of other articles of concrete, plaster and cement (416) 23700 - Cutting, shaping and finishing of stone (1610) 23910 - Production of abrasive products (91) 23990 - Manufacture of other non-metallic mineral products n.e.c. (483)