This industry comprises establishments primarily engaged in the merchant wholesale distribution of commercial and related machines and equipment (except photographic equipment and supplies; office equipment; and computers and computer peripheral equipment and software) generally used in restaurants and stores. Merchant wholesale distribution of photographic equipment and supplies--are classified in Industry 423410, Photographic Equipment and Supplies Merchant Wholesalers; Merchant wholesale distribution of office machines and related equipment--are classified in Industry 423420, Office Equipment Merchant Wholesalers; Merchant wholesale distribution of computers, computer peripheral equipment, and computer software--are classified in Industry 423430, Computer and Computer Peripheral Equipment and Software Merchant Wholesalers; Merchant wholesale distribution of laboratory scales and balances (except medical and dental)--are classified in Industry 423490, Other Professional Equipment and Supplies Merchant Wholesalers; and Merchant wholesale distribution of refrigerated store fixtures--are classified in Industry 423740, Refrigeration Equipment and Supplies Merchant Wholesalers.
