ANtel Communication Services Ltd.
- Provider of corporate telecommunications and datacommunications networking solutions. Corporate profile, details of products and services and quotation request form available.
- http://www.antelcommunications.com/

Caribel Cellular Services
- Pre-arranging cellular phone services for visitors from North America and Europe. Services include activation and unit rentals. Serving Trinidad and Tobago.
- http://www.caribel.com/

Telecommunications Services of T&T Ltd.
- The national telecommunications provider in T&T. Providing residential and business phone services, cellular and also internet service provider.
- http://www.tstt.net.tt