Registry · NAICS Index · Sector 42

423390 — Other Construction Material Merchant Wholesalers

NAICS 423390 is 'Other Construction Material Merchant Wholesalers', a 2022 U.S. national industry under Sector 42 (Wholesale Trade); the SBA small-business size standard is 100 employees.

Description

This industry comprises (1) establishments primarily engaged in the merchant wholesale distribution of manufactured homes (i.e., mobile homes) and/or prefabricated buildings and (2) establishments primarily engaged in the merchant wholesale distribution of construction materials (except lumber, plywood, millwork, wood panels, brick, stone, roofing, siding, electrical and wiring supplies, and insulation materials).

Illustrative Examples

  • Flat glass merchant wholesalers
  • Prefabricated buildings (except wood) merchant wholesalers
  • Ornamental ironwork merchant wholesalers
  • Fencing and fencing accessories (except wood) merchant wholesalers
  • Plate glass merchant wholesalers
  • Storage bins merchant wholesalers

Exclusions & Cross-References

  • Merchant wholesale distribution of products of the primary metals industries--are classified in Industry
  • 423510, Metal Service Centers and Other Metal Merchant Wholesalers;
  • Merchant wholesale distribution of lumber; plywood; reconstituted wood fiber products; wood fencing;
  • doors, windows, and their frames; wood roofing and wood siding; and other wood or metal millwork--are
  • classified in Industry 423310, Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers;
  • Merchant wholesale distribution of stone, cement, lime, construction sand and gravel; brick; asphalt and
  • concrete mixtures (except ready-mix concrete); and/or concrete, stone, and structural clay products--are
  • classified in Industry 423320, Brick, Stone, and Related Construction Material Merchant Wholesalers;
  • Merchant wholesale distribution of nonwood roofing and nonwood siding and insulation materials--are
  • classified in Industry 423330, Roofing, Siding, and Insulation Material Merchant Wholesalers;
  • Merchant wholesale distribution of electrical supplies and wiring supplies--are classified in Industry
  • 423610, Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant

Overview Facts

NAICS Code423390
Industry TitleOther Construction Material Merchant Wholesalers
SBA Size Standard100 employees
IRS PBA Code423300 (rolled-up match)
Sectors HierarchySector 42 → 423 → 4233
Source / VerifiedUS Census 2022 NAICS Manual / 2026-06-28
NAICS Structure: 423390 National Industry
Sector (2)
42
Wholesale Trade
Subsector (3)
423
Merchant Wholesalers, Durable Goods
Industry Group (4)
4233
Lumber and Other Construction Materials Merchant Wholesalers
Industry (5)
42339
Other Construction Material Merchant Wholesalers
National Industry (6)
423390
Other Construction Material Merchant Wholesalers

Legacy SIC Concordance

Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.

Related Resources & Compliance Guides

Further regulatory reference links for NAICS code 423390:

Related Industries in 4233

423310 - Lumber, Plywood, Millwork, and Wood Pane...423320 - Brick, Stone, and Related Construction M...423330 - Roofing, Siding, and Insulation Material...

Frequently Asked Questions (FAQ)

Is 423390 a valid 2022 NAICS code?

NAICS 423390 is 'Other Construction Material Merchant Wholesalers', a 2022 U.S. national industry under Sector 42 (Wholesale Trade); the SBA small-business size standard is 100 employees.

What is the SBA size standard for NAICS 423390?

The SBA small business size standard for NAICS 423390 is 100 employees (based on employees).

What is the legacy SIC code mapping for 423390?

NAICS code 423390 maps to the legacy 1987 SIC codes: 5039 - Construction Materials, NEC.