Division 23 - Manufacture of other non-metallic mineral products of International Standard Industrial Classifications of All Economic Activities (ISIC) Rev.4 includes manufacturing activities related to a single substance of mineral origin. This division includes the manufacture of glass and glass products (e.g. flat glass, hollow glass, fibres, technical glassware etc.), ceramic products, tiles and baked clay products, and cement and plaster, from raw materials to finished articles. The manufacture of shaped and finished stone and other mineral products is also included in this division.

The division includes these groups and classes:

231 Manufacture of glass and glass products

See class 2310.


239 Manufacture of non-metallic mineral products n.e.c.

This group includes the manufacture of intermediate and final products from mined or quarried non-metallic minerals, such as sand, gravel, stone or clay.