C4 Connections

C4 Connections is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Marketing Programs & Service
• Telecommunications Contractors
• Direct Marketing

North American Industry Classification System (NAICS) Categories:

• Electrical Contractors > Electronic & Communications Contractors > Telecommunications Contractors
• Marketing Consulting Services > Marketing & Sales Consulting > Direct Marketing

Standard Industry Classification (SIC) Categories:

• Electrical Work > Electronic & Communications Contractors > Telecommunications Contractors
• Management Consulting > Marketing & Sales Consulting > Direct Marketing