What is NAICS code 3328?

NAICS 3328 is the industry group "Coating, Engraving, Heat Treating, and Allied Activities" in the North American Industry Classification System, part of the Manufacturing sector (33).

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

NAICS code 3328 is the industry group for coating, engraving, heat treating, and allied activities in the Manufacturing sector. It contains 3 6-digit industry codes, listed below.

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

NAICS codes in 3328
Code	Title	Federal contracts (3 years)
332811	Metal Heat Treating	n/a
332812	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers	n/a
332813	Electroplating, Plating, Polishing, Anodizing, and Coloring	n/a

How to choose the right NAICS code

Pick the 6-digit code that best describes what you sell. List it as your primary code in SAM.gov, and add other codes for related work. Agencies choose one NAICS code for each contract, so check the codes on past awards for the kind of work you do. Search all codes in the NAICS code lookup.

Related guides

Frequently asked questions

What is NAICS code 3328?: NAICS 3328 is the industry group "Coating, Engraving, Heat Treating, and Allied Activities" in the North American Industry Classification System, part of the Manufacturing sector (33).