NAICS Code 423840 — Industrial Supplies Merchant Wholesalers
National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is the only national industry under 42384 (Industrial Supplies Merchant Wholesalers).
| Code | 423840 |
|---|---|
| Title | Industrial Supplies Merchant Wholesalers |
| Level | National Industry (6-digit) |
| Edition | NAICS 2022 edition |
| SBA size standard | 125 employees |
Official definition (2022 NAICS)
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.
Illustrative Examples:
Industrial containers merchant wholesalers
Industrial diamonds merchant wholesalers
Printing inks merchant wholesalers
Industrial sand merchant wholesalers
Refractory materials (e.g., brick, blocks, shapes) merchant wholesalers
Welding supplies (except welding gases) merchant wholesalers
Is a business under 423840 "small"?
Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 423840 qualifies as a small business if it does not exceed 125 employees. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — employee count is averaged over the latest 24 months.
Where 423840 sits in the hierarchy
| Level | Code | Title |
|---|---|---|
| Sector | 42 | Wholesale Trade |
| Subsector | 423 | Merchant Wholesalers, Durable Goods |
| Industry Group | 4238 | Machinery, Equipment, and Supplies Merchant Wholesalers |
| NAICS Industry | 42384 | Industrial Supplies Merchant Wholesalers |
| National Industry | 423840 | Industrial Supplies Merchant Wholesalers |
Related SIC codes
Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.
| SIC code | Title |
|---|---|
5085 | Industrial Supplies |
Not sure this is the right code?
Describe your business in plain English with the free NAICS code lookup, convert legacy codes with the SIC to NAICS crosswalk, or classify in bulk via the API (25 free calls/month).
Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.