First, identify your company and confirm if the company is publicly held or private by conducting a company search in LexisNexis Company Dossier.
Researching private companies is more challenging since they are usually not required to file reports with the Securities and Exchange Commission. Therefore:
Check the database, Privco for a company profile and financials.
Company directories provide basic company information and some may provide estimated revenue. (Check Ward's Directory)
Check the databases, ABI/INFORM Complete and Company Dossier by Nexis Uni for articles on your company. Also, browse local media, such as local newspapers and magazines for information on your company in Nexis Uni.
Private companies may file some SEC reports depending on their circumstances such as for raising equity; in which case, they would need to file Registration Statements (usually S Forms) and sometimes 10-Q Reports.
Small companies may have made an Initial Public Offering (IPO) or are in the process. If so, you can find information on this company. Check the NASDAQ's website for an IPO list.
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.
Try these local offices: