On Hold Telephone Services

On Hold Telephone Services is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• General Contractors & Building Contractors
• Telephones & Television Cable Contractors

North American Industry Classification System (NAICS) Categories:

• New Single-Family Housing Construction (Except Operative Builders) > Contractors, General
• Electrical Contractors > Electronic & Communications Contractors > Telephones & Television Cable Contractors

Standard Industry Classification (SIC) Categories:

• General Contractors - Single-Family Houses > General Contractors - Residential
• Electrical Work > Electronic & Communications Contractors > Telephones & Television Cable Contractors