This U.S. Census Bureau NAICS-based industry comprises establishments primarily engaged in the merchant wholesale distribution of surgical and medical instruments, apparatus, and equipment; laboratory equipment; operating room and other hospital equipment; and medical and other scientific instruments used by physicians and in hospitals.

Cross-References. Establishments primarily engaged in--

• Merchant wholesale distribution of veterinarians' equipment and supplies--are classified in U.S. Census Bureau NAICS-based industry 4234902, Other Professional Equipment and Supplies Merchant Wholesalers; and
• Merchant wholesale distribution of oxygen--are classified in U.S. Census Bureau NAICS-based industry 4246901, Industrial Gases (except LP) Merchant Wholesalers.