Where do I find information on privately held companies?- Part 2

Are there resources under the tag"If-it's-free-it-must-be-for-me" ??  The answer is Yes, and here's where things get creative.

1. SEC (Securities and Exchange Commission) 10Q/10K filings-- wait ---you thought "privately held companies" do not file-Correct--but some private companies file 10Q reports if they are issuing bonds or they have more than 500 investors.
2. Regional newspapers websites such as Newspaperlinks.com and bizjournals.com provide local coverage of companies, large and small. (bizjournals.com may require a password/Login for access to some full text articles).  Many Bizjournals publications have been known to have long in-depth interviews with local company presidents and CEOs. 
3. The Secretary of State websites: In the US, most corporate registration and business entities procedures are handled through this state office.  Articles of incorporation and some limited liability corporate filings can contain useful information on names of officers, investors and agents of process.  In Ohio, most condominium associations file their by-laws with this state office.  
4. Reference USA (from InfoGroup)- this online business database is now offered through many public libraries. With a current library card, RefUSA provides access to information on business in the US and some Canadian companies, both public and private.  Databases within RefUSA also include new businesses and healthcare providers in the US.
5. Business databases offered by your local public library will vary but some universal ones are Encyclopedia of Associations and OCLC's First Search.
6. AM Best's Insurance ratings are available at the company website- access is free but registration is required.  Best's covers life and property/casualty insurance companies in the US, Canada and many international companies as well.