Variant of NAICS 1997 - Goods and services

• 11-33 - Goods
• 31-33 - Manufacturing
• 332 - Fabricated Metal Product Manufacturing

3328 - Coating, Engraving, Heat Treating and Allied Activities

This industry group comprises establishments primarily engaged in coating, engraving, heat treating and similarly processing metal. These activities often involve heating the metal, and the purpose is often to harden it. In general, the hardening of metal is included. Other activities of this industry include tempering, brazing, plating (including electroplating and re-chroming), polishing, sand-blasting and colouring metal and metal products. Establishments primarily engaged in plating with precious metal for the trade are included.