Clay Product and Refractory Manufacturing

This industry group comprises establishments primarily engaged in (1) shaping, molding, glazing, and firing pottery, ceramics, and plumbing fixtures, and electrical supplies made entirely or partly of clay or other ceramic materials or (2) shaping, molding, baking, burning, or hardening clay refractories, nonclay… It has no schema of its own: companies here are mapped on the Manufacturing schema, and what it does not cover is recorded as gaps.