Coulomb Ltd.  
   Provides micropayment solutions for charging web users to view content online.
   http://www.coulomb.co.uk/

Port Paye  
   Operates micropayment services on behalf of blue chip content providers.
   http://www.portpaye.com/

Paystone Micropayment Solutions  
   Micropayment solutions for content, games, cartoons, articles, music, video and books selling.
   http://www.paystone.com/

Pico-Pay  
   A general purpose micropayments gateway and hosted management server, which uses the revenue garnered from ad clickthroughs to pay for a content hosted by website publishers.
   http://www.pico-pay.com/

Allopass.com  
   Offers a telephone bill based micropayment system for European webmasters.
   http://www.allopass.com/

Dialer Access  
   Dialer based transaction solutions for resellers.
   http://dialeraccess.com/

Dialer Profits  
   Dialer software pays webmasters for each minute a visitor is connected through the dialer to the content website.
   http://www.dialerprofits.com/

Etelcharge.com  
   Allows customers to charge online purchases to their phone bill.
   http://www.etelcharge.com/

EUDialer  
   Offers a payment system using a phone webdialer to charge clients to their phone bill.
   http://www.eudialer.com/

Centipaid Corporation  
   Offers micropayment solutions using Internet stamps to pay for web site access, email postage, and online content.
   http://www.centipaid.com/

Peppercoin, Inc.  
   Offers a low-cost e-commerce payment system for processing micropayments.
   http://www.peppercoin.com/

Virtu-Pay  
   Offers automated micropayment system.
   https://www.virtu-pay.com/