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system
how can i lookup the business associated with a fein?
user
i think much of that info is hidden behind pay-walls.  here is one site i've found. http://www.feinsearch.com/ another that is for non-profits only is guidestar. http://www.guidestar.org/rxg/products/nonprofit-data-solutions/product-information/guidestar-premium/advanced-nonprofit-search.aspx
assistant