CompanySearch - BusinessInfo

To find a business - try to enter the business name
different ways.

Example: ABC Plumbing or better: ABC Plumbing Detroit.

Putting the business name in quotes ensures that the search results will only contain the complete business name.
"ABC Plumbing" in Detroit

Business Directories - Business Listings - Company Profiles

Many web sites claim they are business directories. Many are databases that list only companies that sign up. To get an independent list, use the search engines or use the telephone directories such as White Pages and Yellow Pages. Leading business search engines and business directories will list most businesses and feature companies that pay extra. Business.com is such a service. Hoovers is another one.

Public Record Searches - Corporations

Most states allow you to search their corporate registration databases. Search for terms like "Washington State Government" and go to the site that ends in .gov. Then look for incorporations.

Credit Bureaus

Credit bureaus such as Equifax, Dun & Bradstreet and Experian all have corporate directories where you can buy corporate profiles and company info as well. These files often include public record filings such as liens, tax liens and bankruptcies.