Full-text business and legal articles, legal cases, reports and related documents from numerous sources
Another valuable resource for researching business and other organizations
Google Scholar Search
Hints for Searching Business News
Many business news resources are fulltext - which allows you to find very narrow segments in the information economy.
Be careful when searching for generic terms - you will often find many item, but they might not be relevant.
Press releases for market reports available for purchase often show up in result sets. If we do not have access to the report, see what information is provided in the press release - that might help.
If you are searching for a private company, this might be the best place to find information.