Siebel has 17% of the market for software that helps manage customer relationships. But bigger rivals, such as Oracle (ORCL
) and SAP, could gain by tying their customer software to supply-chain programs.No. 30: SAP (SAP
Scorned for being a Net laggard, SAP has returned to top form after developing software that runs an entire business online. Now, the giant is trying to spark creativity by moving R&D out from under bureaucratic headquarters in Germany into tiny business units.No. 33: PEOPLESOFT (PSFT
Two years ago, PeopleSoft's aging technology and management problems derailed the company. Thanks to new software designed for the Internet to handle everything from supplier to customer relationships, it's back on track.