C2C - eBay.com

Brokers Consumer-to-Consumer Transactions Electronically

http://www.ebay.com/

B2B - Sun Microelectronics

Fabless Manufacturer uses electronic supply chain forecasting and fulfillment software

http://www.sun.com/microelectronics/

R2B - Walmart

Uses real-time POS transactions to track retail sales

http://www.walmart.com/

B2R - Milacron

Sells and Services Small, Independent Retail Outlets Electronically

http://www.milpro.com/

C2B - Franchise Solutons

Identifies potential franchise owners among consumers and sells info to brand franchises

http://usatoday.fransol.com/

B2C - Amazon.com

Distributes Products Electronically from Regional Warehouses

http://www.amazon.com/