This industry comprises establishments primarily engaged in the merchant wholesale distribution of office machines and related equipment (except computers and computer peripheral equipment). Illustrative Examples: Accounting machines merchant wholesalers Mailing machine merchant wholesalers Calculator and calculating machines merchant wholesalers Microfilm equipment and supplies merchant wholesalers Cash register merchant wholesalers Security safe merchant wholesalers Copying machine merchant wholesalers Cross-References. Establishments primarily engaged in-- ? Merchant wholesale distribution of office furniture--are classified in Industry 423210, Furniture Merchant Wholesalers; ? Merchant wholesale distribution of computers and computer peripheral equipment--are classified in Industry 423430, Computer and Computer Peripheral Equipment and Software Merchant Wholesalers; and ? Merchant wholesale distribution of office supplies--are classified in Industry 424120, Stationery and Office Supplies Merchant Wholesalers.