NAICS Code 423710 — Hardware Merchant Wholesalers

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is the only national industry under 42371 (Hardware Merchant Wholesalers).

Code	423710
Title	Hardware Merchant Wholesalers
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	150 employees

Official definition (2022 NAICS)

This industry comprises establishments primarily engaged in the merchant wholesale distribution of hardware, knives, or handtools.

Illustrative Examples:

Brads merchant wholesalers

Cutlery merchant wholesalers

Knives (except disposable plastics) merchant wholesalers

Power handtools (e.g., drills, saws, sanders) merchant wholesalers

Fasteners (e.g., bolts, nuts, rivets, screws) merchant wholesalers

Staples merchant wholesalers

Handtools (except motor vehicle, machinists' precision) merchant wholesalers

Hardware (except motor vehicle) merchant wholesalers

Tacks merchant wholesalers

Keys and locks merchant wholesalers

Is a business under 423710 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 423710 qualifies as a small business if it does not exceed 150 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 423710 sits in the hierarchy

Level	Code	Title
Sector	42	Wholesale Trade
Subsector	423	Merchant Wholesalers, Durable Goods
Industry Group	4237	Hardware, and Plumbing and Heating Equipment and Supplies Merchant Wholesalers
NAICS Industry	42371	Hardware Merchant Wholesalers
National Industry	423710	Hardware 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
5072	Hardware

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.