San Francisco Opera Main Switchboard

San Francisco Opera Main Switchboard is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Business Services
• Electronics

North American Industry Classification System (NAICS) Categories:

• Radio, Television, And Other Electronics Stores
• All Other Business Support Services

Standard Industry Classification (SIC) Categories:

• Radio, Television, And Consumer Electronics Stores
• Business Services, Nec