Official classification context
Industry overview This class comprises establishments pr incipally engaged in manufacturing concrete pipes and tubes, pillars, piles, sheets, blocks, etc. Establishments principally engaged in manufacturing fresh concrete ar e classified under Industry 2122, while establishments that manufacture aerated concrete products are classified under Industry 2129.
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