Card Tech Ltd
Providing card management systems to the payment card industry.
http://www.ctl.com/

Ceridian Corporation
International information services company whose two major specialties are human resources outsourcing and credit card services. News items, overview of each of their businesses, investor information. Based in Bloomington, Minnesota. (NYSE: CEN).
http://www.ceridian.com/

CrediCard National Bank
Private label cards issued by and only usable at stores owned by one company.
http://www.credicardbank.com

CreditNet
Provides a guide to cards for consumers, as well as credit alerts and news.
http://consumers.creditnet.com

iCard Systems
Provider of customized payment card services and solutions.
http://www.icardsystems.com/

MasterCard
Association that licenses member banks to issue and accept their card brand.
http://www.mastercard.com

New England Bankcard Association
Provides credit and debit card issuing programs for financial institutions.
http://www.neba.com/

Universal-ID
Provides secure authentication and validation technology for transactions to cardholders and merchants.
http://www.universal-id.com/

Visa International
Association that licenses member banks to issue and accept their card brand.
http://www.visa.com/