ISIC Code 3320 - Installation of industrial machinery and equipment

SICCODE.com / ISIC Code Lookup / Section C / Division 33 / Group 332 / 3320

Key facts for ISIC 3320

Code
3320
Level
Class, ISIC Rev. 5
Official title
Installation of industrial machinery and equipment
Section
C Manufacturing
Basis
Primary activity of the establishment

Last updated August 19, 2026

Inclusions

Source: United Nations Statistics Division, ISIC Rev. 5 explanatory notes, August 19, 2026.

This class includes the specialised installation of machinery. However, the installation of equipment that forms an integral part of buildings or similar structures, such as installation of escalators, electrical wiring, burglar alarm systems or air-conditioning systems, is classified as construction.

  • Installation of industrial machinery in industrial plant
  • Installation and assembly of industrial process control equipment

Installation of other industrial equipment, e.g.:

  • Communications equipment
  • Mainframe and similar computers
  • Irradiation and electromedical equipment etc.
  • Dismantling large-scale machinery and equipment
  • Activities of millwrights
  • Machine rigging
  • Installation of bowling alley equipment
  • Installation of warehouse machinery and equipment
  • Installation of large-scale shelving, warehouses (not as an integral part of building)
  • Installation of stand-alone charging stations

Exclusions

Activities the United Nations places in another code.

  • Installation of charging stations in wall-boxes, see ISIC F
  • Construction of complete warehouses, see ISIC 4100
  • Installation of elevators, escalators, automated doors, vacuum cleaning systems etc., see ISIC 4329
  • Installation of doors, staircases, shop fittings, furniture etc., see ISIC 4330
  • Erection of structural steel for warehouse storage shelves, see ISIC 4390
  • Installation (setting-up) of personal computers, see ISIC 629

Where ISIC 3320 sits in the hierarchy

Section C Manufacturing Division 33 Repair, maintenance and installation of machinery and equipment Group Direct parent 332 Installation of industrial machinery and equipment
Class Current 3320 Installation of industrial machinery and equipment

NAICS equivalents for ISIC 3320

These NAICS 2022 codes correspond to ISIC 3320 (Installation of industrial machinery and equipment).

Source: United Nations Statistics Division, ISIC Rev. 4 to ISIC Rev. 5 correspondence table; U.S. Census Bureau, 2017 NAICS to ISIC Rev. 4 concordance; U.S. Census Bureau, 2017 to 2022 NAICS concordance.

NACE Rev. 2.1 equivalents for ISIC 3320

These NACE Rev. 2.1 (via ISIC) codes correspond to ISIC 3320 (Installation of industrial machinery and equipment).

Source: Eurostat, NACE Rev. 2.1 to ISIC Rev. 5 correspondence.

Using ISIC 3320

Use ISIC 3320 for installation of industrial machinery and equipment, when that is the establishment's primary activity.

What does ISIC 3320 include?

ISIC 3320 covers installation of industrial machinery in industrial plant and installation of other industrial equipment, such as communications equipment, among other activities listed under Inclusions above.

What does ISIC 3320 exclude?

ISIC 3320 does not cover installation of charging stations in wall-boxes, which is ISIC F, and construction of complete warehouses, which is ISIC 4100, among other activities listed under Exclusions above.

What NAICS codes correspond to ISIC 3320?

ISIC 3320 corresponds to NAICS 238220 (Plumbing, Heating, and Air-Conditioning Contractors), and NAICS 238290 (Other Building Equipment Contractors).

Sources for ISIC 3320

  • Official classification source United Nations Statistics Division. International Standard Industrial Classification of All Economic Activities (ISIC), Rev. 5. Explanatory notes, August 19, 2026. United Nations ISIC page

Published by SICCODE.com. Titles, inclusions, and exclusions are the United Nations text.