Sefnco Communications

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

• Telecommunications Wiring & Cabling

North American Industry Classification System (NAICS) Categories:

• Electrical Contractors > Electronic & Communications Contractors > Telecommunications Contractors

Standard Industry Classification (SIC) Categories:

• Electrical Work > Electronic & Communications Contractors > Telecommunications Wiring & Cabling