Electronic Clearing House, Inc.  
   Processor offering credit card, debit, and electronic funds transfer services based in Agoura Hills, Ca. with services that include an Internet payment gateway.
   http://www.echo-inc.com/

CyberCash  
   CyberCash is a pioneer of electronic commerce advances on the Internet.
   http://www.cybercash.com/

CyberSource  
   Provider of real-time eCommerce services, including payment processing.
   http://www.cybersource.com/

WorldPay  
   Offers a range of e-payment and e-commerce solutions.
   http://www.worldpay.com/

Authorize.Net  
   Electronic check payment authorization service serving online businesses.
   http://www.authorize.net/

Vantage Card Services  
   Provides credit, debit and check processing to businesses and merchants.
   http://www.vantagecard.com/

CC Bill  
   Offers complete billing and e-commerce payment solutions.
   http://about.ccbill.com

BilltoBill.com  
   Provides an end to end, multi-currency, transaction processing services online or via alternative, offline payment methods in different currencies. Product and investor information, news, case studies and media releases.
   http://www.billtobill.com/

Commercial Banking Innovations  
   Offers online virtual terminals for credit card and check processing, automated payments, gift and loyalty card programs, POS equipment and Automated Teller Machine (ATM) programs.
   http://commercial-banking.com/

Cardservice International, Inc.  
   A wholly owned subsidiary of First Data Resources, processes domestic and international card transactions.
   http://www.cardservice.com/

iBill.com - Internet Billing Company, Ltd.  
   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 sal
   http://www.ibill.com/

Innuity  
   Providers e-commerce services to small- and medium-sized businesses. Additionally, offers web site design and promotion services.
   http://www.innuity.com/

Paradata Systems Inc.  
   Develops and markets integrated payment systems that allow financial organizations to participate in the e-commerce marketplace by providing their merchants with a easy-to-enable software and service solution based on SSL/SET protocols.
   http://www.paradata.com/

VeriSign, Inc.  
   Provides digital certificate solutions and infrastructure needed by companies, government agencies, trading partners and individuals to conduct trusted and secure communications and commerce over the Internet, Intranets and extranets.
   http://www.verisign.com/

Paybutton  
   Offers online billing and e-commerce payment solution for merchants.
   http://www.paybutton.com/

Avanti Merchant Services  
   Banking account, check guarantee and conversion. Includes overview of services.
   http://www.avanticorp.net/

GTECH Holdings Corp.  
   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)
   http://www.gtech.com/

Paycom.net, LLC  
   Online credit card and check processing services for merchants. Based in California.
   http://www.paycom.net/

Power Credit  
   Software solutions for electronic payment processing. Based in Seattle, United States.
   http://www.powercredit.com/