Official classification context
Industry overview This class comprises establishments principally engaged in cutting, shaping and finishing granite (including diorite and gabbro), liparite (including pumice), andesite, slate, marble, sandstone, tuff, and other stone materials for architectural or other purposes. However, establishments that manufacture grindstones are classified under Group 217 [2179]. Establishments that trade in semi- finished memorial stones and tombstones, engrave them with inscriptions to order, or otherwise finish them without undertaking other processes are classified under Division I -- WHOLESALE AND RETAIL TRADE. Establishments principally engaged in quarrying stone materials are classified under Division C -- MINING AND QUARRYING OF STONE AND GRA VEL [05].
Major group context CLAY PRODUCTS This Major group comprises establishments engaged in manufacturing plate (flat) glass and other glass products, cement and its products, clay products for construction, ceramics, refractory products, carbon and graphite products, ename l-covered iron products, abrasive grains, aggregates, stone products, gypsum products, lime products. Group Class Number Number