Provides online payment service such as merchant account, online payment, credit card processing to UK small and medium sized businesses.

Offers various secure online payment processing services like Payflow and Commerce Site Services to help better manage online business.

Software solutions for electronic payment processing. Based in Seattle, United States.

Online credit card and check processing services for merchants. Based in California.

An information technology company providing software, networks, and professional services for transaction processing solutions in the commercial gaming and financial transaction processing industries. (NYSE: GTK)

Banking account, check guarantee and conversion. Includes overview of services.

Offers online billing and e-commerce payment solution for merchants.

Provides Internet payment products and online credit card processing to resellers and internet merchants.

Providers e-commerce services to small- and medium-sized businesses. Additionally, offers web site design and promotion services.

Provides secure transaction services that enable merchants to accept and process real-time payments for goods and services purchased over the Internet. The software also manages back-office functions including reporting, tracking, customer service and sales transactions.