The Sign Doctor

The Sign Doctor is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Signs
• Signs Maintenance & Repair

North American Industry Classification System (NAICS) Categories:

• Other Miscellaneous Durable Goods Merchant Wholesalers > Signs
• All Other Business Support Services

Standard Industry Classification (SIC) Categories:

• Durable Goods, Nec > Signs
• Business Services, Nec