Nicolaus Optical is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Optical Goods Service & Repair
• Opticians

North American Industry Classification System (NAICS) Categories:

• Offices Of All Other Miscellaneous Health Practitioners > Opticians
• Commercial And Industrial Machinery And Equipment (Except Automotive And Electronic) Repair And Maintenance > Photo & Optical Equipment Repair > Optical Goods Repair

Standard Industry Classification (SIC) Categories:

• Repair Shops And Related Services, Nec > Photo & Optical Equipment Repair > Optical Goods Repair
• Offices And Clinics Of Health Practitioners, Nec > Opticians