Telecom Services Telecom companies that primarily provide telephone services and companies that provide a wide variety of telecom services including local, national, international and long-distance phone services. Companies that offer and provide wireless communication products and services including cellular, paging, wireless data and messaging services and other mobile and wireless telecom services. Also includes companies that design and provide services including fax communication services, prepaid phone cards, interactive telephone services, pay phones, directory assistance services, phone service resellers and other miscellaneous services as well as companies that provide internet access services.