B2B (business to business e-commerce ) for small to medium sized businesses: the Internet's premier b2b ebusiness portal is Biz2Biz.com. We provide a comprehensive set of inexpensive tools and e-commerce applications for the emerging biz2biz Internet marketplace. Our Reverse Auction allows buyers to source goods and services or post RFQs for goods and services theyre interested in purchasing, and invite suppliers to bid interactively online.