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Company Information

Downtown & Business

Carnegie Library of Pittsburgh - Downtown & Business is your best source for company information. Contact a business reference librarian during our regular hours at 412.281.7141 for assistance. The business librarians also recommend these sites for finding company information:


Our Business Databases have the most in-depth information.

For directory type information, which would include company name, executives, number of employees, sales volume, address and telephone number, or the ability to create lists of companies, you'll want to try the following (library card required for remote access):

  • Reference USA

For articles about specific companies and industries you'll want to try one of our full-text databases. You are less likely to find articles and information about small companies. (library card required for remote access):

  • ABI/INFORM Trade & Industry
  • Business Insights: Essentials (Formerly Business and Company Resource Center)

Looking for just a telephone number? You should also know about:

  • Verizon SuperPages
    Formerly Big Yellow by Bell Atlantic and Bigbook by GTE. Locates phone numbers for businesses in the U.S. and Canada by name, city, street, area code, zip code or line of business. Entries can include branches with different business classifications which can reflect the diversification of a company.
  • Infobel
    Offers white and yellow telephone directories worldwide.

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Pittsburgh-Based Companies

Below are other resources for finding information about Pittsburgh based companies. Hint: if the company is publicly traded, also see the Public Company Section below. If the company is publicly traded and also a local company, you'll want to check
Annual Reports of Pittsburgh Area Public Companies
a collection of current and historical annual reports available at Downtown & Business.

  • The Better Business Bureau
    Serving Western Pennsylvania, the BBB has an online membership roster that you can search by company name, keyword, or browse by type of business. Provides contact information, type of entity, type of business, whether they are a member, and record of complaints filed against the business.
  • Pittsburgh Technology Council Member Directory
    A searchable database (by name or category, zip code and number of employees) of more than 1,400 Council member companies, based on data supplied by each company. Each entry provides contact information, a brief description, year established, number of employees, etc., as well as a link to the home page if one exists.
    • TEQ Online
      Their quarterly publication, contains articles on local high tech companies and trends.
    • Tech50
      Each year, the Pittsburgh Technology Council selects the top 50 fastest growing tech companies in the area.
  • SMC Business Councils
    You can search for a member at the website of this organization of 1000's of small businesses in Southwestern Pennsylvania.
  • The Pennsylvania Department of State Corporation Bureau
    The Bureau is the repository for the records of more than 1,500,000 companies authorized to do business in Pennsylvania. All records maintained there are public and may be inspected upon request.
    • Search the Corporations Database
      Find out if a business name is already in use in Pennsylvania, who owns a fictitious name, the type of entity, or the date of incorporation.
    • Search UCC filings
  • Greater Pittsburgh Chamber of Commerce
    If you are considering relocating your business to Pittsburgh, the Allegheny Conference on Community Development and the Greater Pittsburgh Chamber of Commerce can be of assistance.

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Public Companies

Looking for information on a public company? Start with:

  • Standard & Poor's NetAdvantage
    Available in our Database section.
    Access S&P's stock, bond and mutual fund research and reports plus the investment newsletter The Outlook. Also includes access to in-depth S&P Industry Reports [in library only], corporation records, and directories of corporations, their executives, and securities dealers in North America.
  • Yahoo Finance
    An outstanding and mostly free resource packed with useful information.
  • Morningstar Investment Research Center
    Available in our Database section.
    Morningstar offers stock analysis in addition to mutual fund data. For larger companies, detailed analyst reports are available and highly informative.
  • EDGAR Database of Corporate Information
    Corporate filings with the US Securities and Exchange Commission. Includes 1994-current 10-K's and 10-Q's of of approximately 12,000 publicly-traded companies. Since annual reports (except in the case of investment companies) are not required by law to be filed with the SEC, most are not listed. However, some companies have volunteered their annual reports to the SEC. Foreign companies are not required to file with the EDGAR system, but are able to voluntarily file if they so choose.
  • Hoover's Online
    Provides detailed company profiles on over 1,560 public and private companies in the U.S. and the world for a subscription fee. Free access to more than 9,300 companies by industry, sales, or geographical location generates names, addresses, contacts, sales, employee size, ticker symbol, a short description of the line of business and hyperlinks to SEC filings, selected company press releases and other web sites that refer to retrieved companies.
  • ThomasNet
    With 650,000 companies included in the database, ThomasNet provides the ability to search by a Product/Service or Company and to define geography within the United States and Canada. Every company on ThomasNet has a company profile which is available as a link from search results. A full entry for a company includes the address, toll-free number (if available), phone, fax, product description and a line to e-mail the manufacturer directly if available.

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