33281M Coating, Engraving, Heat Treating, and Allied Activities

This industry comprises establishments primarily engaged in the following North American Industry Classification System (NAICS) industries:

1. 332811 Metal Heat Treating;
2. 332812 Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers; and
3. 332813 Electroplating, Plating, Polishing, Anodizing, and Coloring.

332811 Metal Heat Treating

This industry comprises establishments primarily engaged in heat treating, such as annealing, tempering, and brazing, metals and metal products for the trade.

332812 Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers

This industry comprises establishments primarily engaged in one or more of the following manufacturing activities:

1. enameling, lacquering, and varnishing metals and metal products;
2. hot dip galvanizing metals and metal products;
3. engraving, chasing, or etching metals and metal products (except jewelry; personal goods carried on or about the person, such as compacts and cigarette cases; precious metal products (except precious plated flatware and other plated ware); and printing plates);
4. powder coating metals and metal products; and
5. providing other metal surfacing services for the trade.

332813 Electroplating, Plating, Polishing, Anodizing, and Coloring

This industry comprises establishments primarily engaged in electroplating, plating, anodizing, coloring, buffing, polishing, cleaning, and sandblasting metals and metal products for the trade.