Stock Industry Rank We've painstakingly grouped all U.S.-listed stocks based on their business focus, company structure, geographical origin, and other factors. The proprietary industry categories below are ranked by the market cap-weighted average POWR Rating™ of their constituents. Nasdaq offers a free stock market screener to search and screen stocks by criteria including share data, technical analysis, ratios & more. In the NASDAQ Company List, you'll find companies listed on NASDAQ, NYSE, and AMEX. Begin browsing by name, region, industry, or exchange and then add filters to narrow your search. Begin browsing by name, region, industry, or exchange and then add filters to narrow your search.