Royal Business Systems is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Copying Machines Dealers Supplies & Service
• Copy Machines Supplies & Parts

North American Industry Classification System (NAICS) Categories:

• Office Supplies And Stationery Stores > Copying Equipment
• Computer And Office Machine Repair And Maintenance > Business Machine Repair > Copy Machines Repair

Standard Industry Classification (SIC) Categories:

• Office Equipment > Duplicating Machines & Supplies
• Electrical And Electronic Repair Shops, Nec > Business Machine Repair > Copy Machines Repair