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

• Real Estate Services By Name
• Professional Services

North American Industry Classification System (NAICS) Categories:

• Offices Of Real Estate Agents And Brokers > Real Estate Services
• All Other Business Support Services > Professional Services

Standard Industry Classification (SIC) Categories:

• Real Estate Agents And Managers > Real Estate Services
• Business Consulting Services, Nec > Professional Services