Tsl

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

• Cellular & Mobile Telephone Service
• Telecommunications Contractors

North American Industry Classification System (NAICS) Categories:

• Electrical Contractors > Electronic & Communications Contractors > Telecommunications Contractors
• Wireless Telecommunications Carriers (Except Satellite) > Cellular & Mobile Phone Service Companies

Standard Industry Classification (SIC) Categories:

• Electrical Work > Electronic & Communications Contractors > Telecommunications Contractors
• Radiotelephone Communications > Cellular & Mobile Phone Service Companies