NAICS Lookup from the U.S. Census Bureau

What is NAICS? The North American Industry Classification System or NAICS is a federal classification system used by Canada, Mexico, and the United States to classify business establishments for the purpose of collecting, analyzing, and publishing statistical data relating to the business economy.

Using the NAICS code to find distributors and manufacturers?  If the NAICS code begins with a 3 or 4 you can find more information (top manufacturers, states where they are located, etc) in the volume of three books titled "Manufacturing & Distribution U.S.A" which can be found online. Click on "Connect to this title online".

One of the best places to go for information is industry associations. Almost everything and everyone has an association. You can begin your search for associations by visiting Google.  Simply type in a general term for your product, like apparel along with the word association. 

You can also check in the Encyclopedia of Associations for a comprehensive listing of associations. 

Demographic data from American Fact Finder

2007 Economic Census data from the American Fact Finder.

Income data from the Current Population Survey

Consumer Spending data from Consumer Expenditures Surveys

Statistical Abstract of the US The Statistical Abstract of the United States, published since 1878, is the authoritative and comprehensive summary of statistics on the social, political, and economic organization of the United States.

NationMaster compares statistics between different countries.  Note: NationMaster is a secondary source.  StateMaster compares statistics between different states.