These are some databases to use when conducting company research.
Be sure to use article databases like ABI/Inform Collection or Business Source Complete, located under the "Articles" tab of this guide, to find out if anything has been written about these companies in magazines, trade periodicals, or newspapers.
When doing company research one should determine whether a company is public, privately held, or a subsidiary. The databases below can help you determine this. If you are doing research on a local level where there are many small businesses, use a database like Reference Solutions to ascertain this.
These sources will help you identify competitors. They will also help you determine whether the competitor is public, private, or a subsidiary.
Reference Solutions is a strong source for identifying competitors on a local level as well as helping you to determine the type of company.