NAICS Code 423840

NAICS 423840

NAICS Code 423840 – Industrial Supplies Merchant Wholesalers

Definition of NAICS Code 423840: This industry comprises establishments primarily engaged in the merchant wholesale distribution of supplies for machinery and equipment generally used in manufacturing, oil well, and warehousing activities.

  • 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 423840

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

  • Industrial containers merchant wholesalers
  • Refractory materials (e.g., brick, blocks, shapes) merchant wholesalers
  • Industrial diamonds merchant wholesalers
  • Welding supplies (except welding gases) merchant wholesalers
  • Printing inks merchant wholesalers

Cross Reference Guide for Code 423840

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 hydraulic and pneumatic (fluid power) pumps, motors, pistons, and valves–are classified in Industry NAICS 423830, Industrial Machinery and Equipment Merchant Wholesalers; and
  • Merchant wholesale distribution of welding gases–are classified in Industry NAICS 424690, Other Chemical and Allied Products Merchant Wholesalers.

Other Index Entries for NAICS 423840

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.

  • Abrasives merchant wholesalers
  • Barrels, new and reconditioned, merchant wholesalers
  • Bearings merchant wholesalers
  • Belting, industrial, merchant wholesalers
  • Bottles (except waste) merchant wholesalers
  • Boxes and crates, industrial (except disposable plastics, paperboard, waste), merchant wholesalers
  • Canning supplies merchant wholesalers
  • Containers, industrial, merchant wholesalers
  • Cooperage stock merchant wholesalers
  • Cordage merchant wholesalers
  • Cork merchant wholesalers
  • Crowns and closures, metal, merchant wholesalers
  • Diamonds, industrial, merchant wholesalers
  • Drums, new and reconditioned, merchant wholesalers
  • Gaskets merchant wholesalers
  • General-line industrial supplies merchant wholesalers
  • Grommets merchant wholesalers
  • Hose, industrial, merchant wholesalers
  • Industrial containers merchant wholesalers
  • Industrial diamonds merchant wholesalers
  • Industrial supplies (except disposable plastics, paper) merchant wholesalers
  • Inks, printing, merchant wholesalers
  • Mechanical power transmission supplies (e.g., gears, pulleys, sprockets) merchant wholesalers
  • Mechanical rubber goods merchant wholesalers
  • Mill supplies merchant wholesalers
  • Packaging material merchant wholesalers
  • Packing materials merchant wholesalers
  • Plastics foam packing and packaging materials merchant wholesalers
  • Power transmission supplies (e.g., gears, pulleys, sprockets), mechanical, merchant wholesalers
  • Printing inks merchant wholesalers
  • Reconditioned barrels and drums merchant wholesalers
  • Refractory materials (e.g., block, brick, mortar, tile) merchant wholesalers
  • Ropes (except wire rope) merchant wholesalers
  • Rubber goods, mechanical (i.e., extruded, lathe-cut, molded), merchant wholesalers
  • Sand, industrial, merchant wholesalers
  • Seals merchant wholesalers
  • Shipping containers (except disposable plastics, paper) merchant wholesalers
  • Shipping pails, metal, merchant wholesalers
  • Thread, industrial, merchant wholesalers
  • Towels, industrial, merchant wholesalers
  • Twine merchant wholesalers
  • Valves (except hydraulic, plumbing, pneumatic) merchant wholesalers
  • Welding supplies (except welding gases) merchant wholesalers
  • Wiping cloths merchant wholesalers
Suggested Insurance Conversion Table for NAICS Code 423840

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): 8018NAICS 423840
  • CA WC: 8018
  • DE WC: 924
  • PA WC: 924
  • MI WC: 8018
  • NJ WC: 8018
  • NY WC: 8018
  • WY WC: 423840
  • GL: 16588
  • SIC: 5085

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 423840 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 4238: Machinery, Equipment, and Supplies Merchant Wholesalers
  • Industry 42384: Industrial Supplies Merchant Wholesalers
  • 6 Digit Code(s) NAICS 423840: Industrial Supplies Merchant Wholesalers
Other helpful NAICS Downloads

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NAICS Code 423840