NAICS Code 423390

NAICS 423390

NAICS Code 423390 – Other Construction Material Merchant Wholesalers

Definition of NAICS Code 423390: This industry comprises of the following:

  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).
  • You can also download your own copy of the complete 2017 NAICS Classification Manual. The NAICS Manual is updated every five years. The 2017 copy will be applicable until a new edition is produced in 2022.

Illustrative Examples of NAICS 423390

What are some examples of this code? The bulleted items below are illustrative examples of this classification.

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

Cross Reference Guide for Code 423390

What codes are similar to this classification that might be a more applicable code? The cross-reference guide below displays the codes for other similar industries. Please review to find the most applicable classification.

  • Merchant wholesale distribution of products of the primary metals industries–are classified in Industry NAICS 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 NAICS 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 NAICS 423320, Brick, Stone, and Related Construction Material Merchant Wholesalers;
  • Merchant wholesale distribution of nonwood roofing, nonwood siding and insulation materials–are classified in Industry NAICS 423330, Roofing, Siding, and Insulation Material Merchant Wholesalers;
  • Merchant wholesale distribution of electrical supplies and wiring supplies–are classified in Industry NAICS 423610, Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers; and
  • Selling ready-mix concrete–are classified in Industry NAICS 327320, Ready-Mix Concrete Manufacturing.

Other Index Entries for NAICS 423390

The North American Industry Classification System contains multiple index entries that are each descriptive of the same code. The bulleted list below shows all applicable index entries (Current and former) that are associated with this classification. These index entries further elaborate on the scope of applicable industries that have already been defined at the top of this page.

  • Architectural metalwork merchant wholesalers
  • Awnings (except canvas) merchant wholesalers
  • Bins, storage, merchant wholesalers
  • Building materials, fiberglass (except insulation, roofing, siding), merchant wholesalers
  • Building paper merchant wholesalers
  • Buildings, prefabricated nonwood, merchant wholesalers
  • Fencing (except wood) merchant wholesalers
  • Fencing and fencing accessories, wire, merchant wholesalers
  • Fiberglass building materials (except insulation, roofing, siding) merchant wholesalers
  • Flat glass merchant wholesalers
  • Glass, plate, merchant wholesalers
  • Gypsum building products merchant wholesalers
  • Iron and steel architectural shapes merchant wholesalers
  • Manufactured (i.e., mobile) homes merchant wholesalers
  • Ornamental ironwork merchant wholesalers
  • Paper, building, merchant wholesalers
  • Plate glass merchant wholesalers
  • Prefabricated buildings (except wood) merchant wholesalers
  • Septic tanks (except concrete) merchant wholesalers
  • Storage bins merchant wholesalers
  • Structural assemblies, prefabricated (except wood), merchant wholesalers
  • Wire fencing and fencing accessories merchant wholesalers
Suggested Insurance Conversion Table for NAICS Code 423390

Looking for an insurance classification other than the North American Industry Classification System? If a company falls within the industry defined on this page, then the class codes mentioned below may be applicable. Please note that the bulleted cross-reference guide below is not authoritative. Users should have an insurance professional review to ensure proper insurance classification.

  • NCCI WC (Varies by state): 8058, 8106, 8018NAICS 423390
  • CA WC: 8017, 8106, 8042
  • DE WC: 855, 857, 921
  • PA WC: 855, 857, 921
  • MI WC: 8058, 8106, 8018
  • NJ WC: 8232, 8106, 8018
  • NY WC: 8232, 8106, 8018
  • WY WC: 423390
  • GL: 10257, 15404, 12797
  • SIC: 5039

Resources: Praxiom, AceGroupTDICalifornia Division of Workers Compensation, Delaware Workers Compensation Manual, Pennsylvania Workers Compensation Manual, Michigan Workers’ Compensation Placement Facility: Classification Definitions, New Jersey Workers Compensation and Employers Liability Insurance Manual, New York Workers Compensation and Employers Liability, North American Industry Classification System, Florida Underwriting Guide: Commercial General Liability Classifications,  Standard Industrial Classifications.

The suggested cross reference guide for NAICS code 423390 is based on our research using the resources cited above.

Correlating Code Breakdown for North American Industry Classification System

NAICS codes are broken down by digit. The broadest description starts with the 2 digit sector codes. The 3 digit subsector codes are more specific, then the 4 digit industry group, 5 digit industry, and the most specific is the 6 digit NAICS code (Where you are now). If the code on this page does not describe the industry of the business in question, then select the largest applicable code below. From there, follow through the progression of smaller digits to the larger digits in order to obtain the most specific 6 digit classification.

  • Sector 42: Wholesale Trade
  • Subsector 423: Merchant Wholesalers, Durable Goods
  • Industry Group 4233: Lumber and Other Construction Materials Merchant Wholesalers
  • Industry 42339: Other Construction Material Merchant Wholesalers
  • 6 Digit Code(s) NAICS 423390: Other Construction Material Merchant Wholesalers
Other helpful NAICS Downloads

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NAICS Code 423390