8. 3Com
3Com today is best known for its ubiquitous PalmPilot and for its eponymous San Francisco Giants baseball park. But the company, with more than 200 million customers worldwide, is making its greatest strides in business-to-business commerce….BtoB transactions make up 30 percent of total revenue, or $2 billion, and 3Com projects that 80 percent of total revenue will be derived from BtoB transactions by the end of 1999…