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Business & Marketing

A guide to all aspects of Business, including Business Administration, Marketing, International Business, Entrepreneurship, Finance, and Company/Industry Data and Statistics.

What's on this Page

This page is a repository of databases, websites, books, and other resources that provide data for Business, Marketing, Finance, Entrepreneurship and related research.

You can use this page to:

A Note about Tags

There are a lot of business databases and other resources that contain various kinds of overlapping data.

We've put tags on many of them which indicate what type of information can be found there. For example:

Use them to help find exactly what you're looking for.

Still can't find what you want?

If you've checked the resources on this page and still need more, you can find even more data sources in the Demographics and Statistics page of our Economics research guide.

How the Government Tracks Business Data

Economic Census
  • Every 5 years (on the 2s and the 7s).
Other Business/Economic Surveys
  • County Business Patterns
  • Annual Survey of Manufacturers
  • U.S. International Trade Statistics
SIC (Standard Industrial Classification)
  • Begun in 1938, adopted in 1957, revised in 1987.
NAICS (North American Industry Classification System)
  • Adopted in 1987, revised in 2002, 2007, and 2012.

Tools for Using and Understanding Data

General Sources

These sources provide information useful to all areas of business research.

Company Data

General Company Information

  • Databases  |  Websites selected by librarians

Industry Data

Use the resources listed here to:

  • Find market share, SWOT analyses, industry trends, and similar information.
  • Find industry ratio resources.
  • Look up SIC and NAICS codes.

General Industry Information


Industry Ratios


SIC and NAICS Code Lookup

Country Information

Legal Information

Use these resources to help with Business Law and other legal research questions.

For more help with legal research, including a more detailed breakdown of what LexisNexis has to offer, see the Legal Page of our Government, Policy, Legal, and Elections Research Guide.