This searchable directory contains detailed company profiles with a wealth of information. The data can be searched by multiple terms including industries served, certifications, core competencies, location, export capabilities, NAICS codes and more. The search results can then be exported as a csv file, compatible with excel.
This free website's search result frequently ranks higher than many companies' own websites and is searched by companies from around the world.
If you are unsure of your NAICS and/or SIC code, click to view this helpful list.