Several lists exist that provide an overview of large softwarecompanies, often called independent software vendors ("ISVs"), in the world. The lists differ by methodology of composition and consequently show substantial differences in both listed companies and ranking of those companies.
The Forbes Global 2000 is an annual ranking of the top 2000 public companies in the world by Forbes magazine, based on a mix of four metrics: sales, profit, assets and market value. The Forbes list for software companies excludes manufacturers, consumer electronics companies, conglomerates, IT consultancy, and computer services. The top 10 companies in the 2013 list for the "Software & Programming" industry are: