As of the last reported data from 2015, there are 10,383 workers employed at 280 Asphalt Shingle and Coating Materials Manufacturing establishements in the United States. The industry is slowly growing, adding 7 jobs in the 12 months between 2014 and 2015. On average, each business employs 37 workers. With OSHA reported accident rates of less than that of the the Asphalt Paving Roofing and Saturated Materials Manufacturing Industry as a whole, things have been relatively safe over the past five years.