The Fortune 500 is an annual list compiled and published by Fortune magazine that ranks 500 of the largest U.S. corporations by total revenue for their respective fiscal years.  The list includes public companies, along with privately held companies for which revenues are publicly available. The concept of the Fortune 500 was created by Edgar P. Smith, a Fortune editor, and the first list was published in 1955.  
Although the Fortune 500 list is the most familiar one, similar gross revenue lists of the top firms range from the highest ranking Fortune 100 including the top one hundred to the broader ranking Fortune 1000 that includes the top thousand firms. While membership on the smaller lists is somewhat stable, the ranking on the lists may change over time depending upon revenues, and often because of mergers among firms already listed.
The original Fortune 500 was limited to companies whose revenues were derived from manufacturing, mining, or energy exploration. At the same time, Fortune published companion "Fortune 50" lists of the 50 largest commercial banks (ranked by assets), utilities (ranked by assets), life insurance companies (ranked by assets), retailers (ranked by gross revenues) and transportation companies (ranked by revenues). Fortune magazine changed its methodology in 1994 to include service companies. With the change came 291 new entrants to the famous list including three in the Top 10.
- 40 under 40 (Fortune Magazine)
- Fortune Global 500
- Fortune India 500
- List of largest companies by revenue
- Forbes Global 2000
- List of Fortune 500 Computer Software and Information Companies