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Company Information

Records for over 14 million U.S. public and private companies.
D&B Small Business Solutions
Find address information about companies for free. More detailed reports (including credit reports, marketing lists, and industry reports) may be purchased directly from D&B.
Search for industrial products and companies in North America. This website was formerly known as the Thomas Register of Manufacturers.
Search for companies by name. Includes public and private companies. Subscriber only portions are denoted by a key icon.
Franchise Zone from Entrepreneur Magazine
Check out the Franchise500 for information on specific franchises.
Philadelphia Business Journal and BizJournals
Use to find articles written about local or national companies. Viewing an article requires free registration.
Business Filings Database
A guide to business filings information for all 50 states.
Better Business Bureau
Click on Check It Out Business to search for a reliability report. The local BBB is at The Better Business Bureau of Eastern PA.
Online directory of white and yellow pages. Search by company name or type.

Green Business
Investigate ways to improve your business and help the environment.
Guide to Green Pennsylvania Businesses and Industries
As part of the Center for Sustainability at Penn State, a collection of links on eco-purchasing in PA.®
GreenBiz is the leading online news and information resource on how to align environmental responsibility with business success. It offers more than 8,000 resources, including feature stories, reports, checklists, case studies, and links to organizations and government agencies. Also contains GreenBuzz, a free e-newsletter. Green Business Guide
Get information from this federal government website on how to start or grow a green business, including such topics as environmental regulations, eco-labels, financial assistance and government contracting.


Consumer Reports
Consumer information and ratings for green products and services. Eco-Labels Center (on left side) has searchable database of green product labels, categories and certifiers.


DSIRE: Database of State Incentives for Renewables & Efficiency
Search this database to find state, local, utility and federal incentives for renewable energy and energy efficiency. The Green 50
The Green 500 is a list of top green companies selected by Inc. magazine. Browse company profiles for ideas on how to be green and successful.

OneSource Global Business Browser
Records for 3 million international companies. Use basic lookups, company and industry profiles, or a variety of search variables to find the information you need on international companies and executives.
Thomas Global Register
Search for over 500,000 suppliers from 26 countries. Requires free registration to search the database.
D&B Small Business Solutions
Find address information about companies worldwide for free. More detailed reports (including credit reports, marketing lists, and industry reports) may be purchased directly from D&B. Be sure to designate country or it will search only in the U.S.
Search for over 2.3 million companies worldwide by name or by type. Detailed information is available for a fee; contact information is usually free.
European business-to-business directory. Search by company name, product/service, or business sector.
Teldir from Infobel
An international directory of phone directories on the web.
Industry Canada
Find Canadian companies.

See How Do I Find Information on Local Businesses for help in finding Chester County companies.
Searchable Corporations Database from the Pennsylvania Department of State’s Corporation Bureau
Search or businesses registered with the Corporation Bureau.

Many of the local Chamber groups maintain lists of members on their web sites. Click here for a list of Chester County Chambers.

Private Companies
Privately held companies are not required to submit the same information to the government as public companies making it a little more difficult to find information on them. Directories and databases of private companies usually give basic information about the company: name, address, phone number, SIC or NAICS code, sales range, and employee range. See the resources in the General section and in How Do I Find Information on Private Companies for help in finding these companies.

EDGAR (SEC Filings and Forms)
Public companies are required to file information with the SEC. Use EDGAR to access these forms. This is a great resource for information on public companies.

Types of forms:
  • 8-K: “current report” listing important events to investors
  • 10-K: annual report filed with the SEC
  • 10-Q: quarterly report “providing a continuing view of the company's financial position”

Most public companies post annual reports on their web sites. Search for the company's web site directly using a search engine and look for information on Investors or Investor Relations to find the annual reports.

See the resources in the General section and in How Do I Find Information on Public Companies for help in finding these companies.

Last Modified: 4/28/11

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