NAICS
327125: Nonclay Refractory Manufacturing
This U.S. industry comprises establishments primarily engaged in
manufacturing nonclay refractory, mortar, brick, block, tile, and
fabricated nonclay refractories such as graphite, magnesite, silica, or
alumina crucibles. A refractory is a material that will retain its
shape and chemical identity when subjected to high temperatures and is
used in applications that require extreme resistance to heat, such as
furnace linings.
The data published with NAICS code 327125 include the following
SIC industry:
3297 Nonclay refractories