NAICS Code 423450 — Medical, Dental, and Hospital Equipment and 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 42345 (Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers).

Code	423450
Title	Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	200 employees

Official definition (2022 NAICS)

This industry comprises establishments primarily engaged in the merchant wholesale distribution of professional medical equipment, instruments, and supplies (except ophthalmic equipment and instruments and goods used by ophthalmologists, optometrists, and opticians).

Illustrative Examples:

Dental equipment and supplies merchant wholesalers

Surgical dressings merchant wholesalers

Electromedical equipment merchant wholesalers

Patient monitoring equipment merchant wholesalers

Hospital beds merchant wholesalers

Prosthetic appliances and supplies merchant wholesalers

Hospital furniture merchant wholesalers

Surgical instruments and apparatus merchant wholesalers

Medical and dental X-ray machines and parts merchant wholesalers

First-aid kits (except household) merchant wholesalers

Surgical and medical masks merchant wholesalers

Is a business under 423450 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 423450 qualifies as a small business if it does not exceed 200 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 423450 sits in the hierarchy

Level	Code	Title
Sector	42	Wholesale Trade
Subsector	423	Merchant Wholesalers, Durable Goods
Industry Group	4234	Professional and Commercial Equipment and Supplies Merchant Wholesalers
NAICS Industry	42345	Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
National Industry	423450	Medical, Dental, and Hospital Equipment and 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
5047	Medical, Dental, and Hospital Equipment and Supplies

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.