NAICS 33284-digit industry group · NAICS 2022

NAICS Code 3328: Coating, Engraving, and Heat Treating

The NAICS code for Coating, Engraving, and Heat Treating is 3328.

Coating, Engraving, and Heat Treating establishments electroplate, anodize, paint, powder-coat, engrave, and heat-treat metal parts on a job-work basis to improve surface finish, corrosion resistance, hardness, and appearance. These finishing services are essential for meeting the performance specifications of aerospace, automotive, and medical device components.

Coating, Engraving, and Heat Treating falls under the NAICS code for NAICS 332 — Fabricated Metal Product Manufacturing, a subsector of Manufacturing.

7,000

Total US Entities

NAICS Industries

3328

NAICS Code

Classification

NAICS Industries (5-digit)

NAICS Code	Industry Title	US Entities
33281	NAICS 33281 — Coating, Engraving, Heat Treating, and Allied Activities	7,000

NAICS 2022

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Other Industry Groups in Fabricated Metal Product Manufacturing

NAICS 3321 — Forging and Stamping4,000 entities

NAICS 3322 — Cutlery and Handtool Manufacturing3,000 entities

NAICS 3323 — Architectural and Structural Metals18,000 entities

NAICS 3324 — Boiler, Tank, and Shipping Container2,500 entities

NAICS 3325 — Hardware Manufacturing2,000 entities

NAICS 3326 — Spring and Wire Product Manufacturing2,000 entities

NAICS 3327 — Machine Shops and Turned Products20,000 entities

NAICS 3329 — Other Fabricated Metal Products13,500 entities

Working with legacy records? convert a NAICS code to SIC using the mapping table — NAICS 2022 at the five-digit industry level paired with SIC 1987 four-digit industries, with coverage gaps stated.