These are the 20 companies that, in the view of ASPnews, are the most influential providers of software or infrastructure for the ASP and Web services industry. For inclusion, companies must meet the following criteria:
Have a substantial and active customer base of ASPs and/or Web service providers
Be active in their support and promotion of the ASP and/or Web services model
Be innovators within the ASP and/or Web services models
Be recognized as a leader by others within the industry