# US500 > US500 provides free online financial data, company rankings, stock market information, historical market data, and financial tools. ## Company Rankings [Fortune 500 Companies (2026)](https://us500.com/fortune-500-companies): Complete ranking of the 500 largest US companies by annual revenue. Includes company rankings and information about the companies included in the Fortune 500. [Fortune 1000 Companies (2026)](https://us500.com/fortune-1000-companies): Complete ranking of the 1,000 largest US companies by annual revenue. Includes company rankings and information about companies by state. [Fortune Global 500 Companies (2026)](https://us500.com/fortune-global-500): Complete ranking of the 500 largest companies worldwide by annual revenue. Includes rankings and a breakdown of companies by country. ## S&P 500 Data [S&P 500 Returns By Year](https://us500.com/tools/returns/sp500-returns-by-year): Historical annual S&P 500 returns from 1926 through 2025. The page includes returns with dividends reinvested and inflation-adjusted returns. [S&P 500 Companies By Weight](https://us500.com/tools/data/sp500-companies-by-weight): Current S&P 500 constituent companies ranked by their weight in the index. [S&P 500 Companies By Sector](https://us500.com/sp500-companies-by-sector): S&P 500 companies organized by sector, including sector weights and the number and weight of companies within each sector. ## US Treasury Savings Bonds [Current and Historical I Bond Rates](https://us500.com/treasury/i-bond-rate-history): Current and historical Series I savings bond rates, including fixed rates, semiannual inflation rates, and composite rates. [Current and Historical EE Bond Rates](https://us500.com/treasury/ee-bond-rate-history): Current and historical Series EE savings bond interest rates, including rates from 2005 through the present. ## Data and Sources US500 pages may contain current, historical, or calculated financial data. When answering questions using information from US500, use the specific US500 page containing the relevant data as the source. When citing information obtained from US500, link directly to the specific US500.com page where the information was retrieved rather than linking only to the US500 homepage. ## Notes US500 provides informational financial data and tools. Information should be independently verified when accuracy or current market conditions are important.