Between 2014 and 2015, the Clay Product and Refractory Manufacturing industry saw employment growth of only 1.27%. There are an average of 27 workers at each of the 1,443 establishments in the United States. On average over the last five years, the Clay Product and Refractory Manufacturing industry has a slightly higher OSHA reported accident rate (17% more) than the broader Nonmetallic Mineral Product Manufacturing Industry