Because privately owned and operated companies are not required by SEC to publicly disclose information about themselves or their market position (except by local & state regulations), researching them can be more challenging. Directories and news stories may be the main sources.
Databases to help you in locating articles in journals and newspapers on private companies are listed below.
The federal government regulates and investigates various company activities. Some of this data is available to the public. Examples:
You can use the U.S. Government Manual to locate agency contact information (use link below).
More strategies to locate information on private companies:
Company Directories provide basic information on small or private companies.
Other options to consider for locating information on private businesses are whether or not the comapny has any trademarks or patents. This is public information.
Has the company made an Initial Public Offering (IPO)? If so, you can find information on these companies.
Tax returns are available to the public for non-profit organizations (Form 990). Contact the regional IRS office of the company's location.
You may also contact special interest groups that relate to your industry such as industry focused Political Action Committees.
Here are a few links to get you started in these areas:
Some useful Internet links for information on private and regional companies.