Submit sites whose primary focus is the business of providing phone card services. Appropriate sites include ones related to service providers, equipment manufacturers and distributors, trade associations, software makers, consultants, education, training, conferences, and media.

Affiliate sites will NOT be listed. These include (but are not limited to): Acceris, American Telecom Network, Capsule, Cognigen Communications, Cognistate, Cogniworld, Covista, Excel, Isterra, Opex, PNG, Primus, ShopforT1, Telegroup, Telarus, and WorldxChange.