These are the 25 companies that, in the view of ASPnews, are the most influential software or infrastructure providers for the ASP, Web Services and Utility Computing industries. For inclusion, companies must meet the following criteria:

• Have a substantial and active customer base of providers
• Be active in their support and promotion of network-based applications and services
• Invest in innovation in the online delivery of software-based services
• Be recognized as a leader by others within the industry

Company	Description	Location
Abridean	Infrastructure ISV	Halifax, Nova Scotia
Agiliti	Managed Hosting Provider	St. Paul, Minn.
Apptix	Private-label Service Provider	Sterling, Va.
BEA Systems	Infrastructure ISV	San Jose, Calif.
BMC Software	Infrastructure ISV, Infrastructure ASP	Houston, Texas
Citrix	Infrastructure ISV	Fort Lauderdale, Fla.
Data Return	Managed Hosting Provider	Irving, Texas
Digex	Managed Hosting Provider	Beltsville, Md.
EDS	IT Service Provider, Managed Hosting Provider	Plano, Texas
Ensim	Infrastructure ISV	Sunnyvale, Calif.
Hewlett-Packard	Infrastructure ISV, Systems Manufacturer	Palo Alto, Calif.
IBM	Infrastructure ISV, Application Infrastructure Provider, Systems Manufacturer	Armonk, N.Y.
Macromedia	Infrastructure ISV	San Francisco, Calif.
MetraTech	Infrastructure ISV	Waltham, Mass.
Microsoft	Application Software Vendor, Software-as-Service Provider	Seattle, Wash.
NaviSite	Managed Hosting Provider	Andover, Mass.
Netegrity	Infrastructure Platform Vendor	Waltham, Mass.
Onyx Software	Application Software Vendor	Bellevue, Wash.
Oracle	Application Software Vendor, Application Outsourcer	Redwood Shores, Calif.
PeopleSoft	Application Software Vendor, Application Outsourcer	Pleasanton, Calif.
Progress Software	Infrastructure ISV	Bedford, Mass.
SAP	Application Software Vendor, Application Outsourcer	Walldorf, Germany
Sun Microsystems	Infrastructure ISV, Systems Manufacturer	Palo Alto, Calif.
SWsoft	Infrastructure ISV	Herndon, Va.
VeriCenter	Managed Hosting Provider	Houston, Texas