NAICS 3328 Coating, Engraving, Heat Treating, and Allied Activities

NAICS Code: 3328

Code Title: Coating, Engraving, Heat Treating, and Allied Activities

Code Sector: 31-33 - Manufacturing

NAICS 3328 Coating, Engraving, Heat Treating, and Allied Activities Description

This industry comprises establishments primarily engaged in one or more of the following: (1) heat treating metals and metal products; (2) enameling, lacquering, and varnishing metals and metal products; (3) hot dip galvanizing metals and metal products; (4) 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); (5) powder coating metals and metal products; (6) electroplating, plating, anodizing, coloring, and finishing metals and metal products; and (7) providing other metal surfacing services for the trade. Establishments in this industry coat, engrave, and heat treat metals and metal formed products fabricated elsewhere.


Cross References

Establishments primarily engaged in--
  • Engraving, chasing or etching jewelry, metal personal goods, or precious (except precious plated) metal flatware and other plated ware--are classified in Industry 33991, Jewelry and Silverware Manufacturing;
  • Engraving, chasing or etching printing plates--are classified in Industry 32312, Support Activities for Printing;
  • Both fabricating and coating, engraving, and heat treating metals and metal products--are classified in manufacturing according to the product made.