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

• Speakers Rebuild & Repair

North American Industry Classification System (NAICS) Categories:

• Consumer Electronics Repair And Maintenance > Electronic Equipment Repair, Except Computers > Speakers Rebuild & Repair

Standard Industry Classification (SIC) Categories:

• Electrical And Electronic Repair Shops, Nec > Electronic Equipment Repair, Except Computers > Speakers Rebuild & Repair