http://www.referenceusa.com/

            You can either go directly to the web site or if your local library carries the database for  ReferenceUSA. Here you select both SIC & NAICS Codes. One cool feature is a list of SIC Codes that you can look up while doing your search.

http://www.webstersonline.com/default.asp

Websters Online is a premier online resource to find company information including telephone, e-mails, 1-800 numbers, websites & contact names by simply using: Products / SIC & NAICS Codes / Industrial Directory by SIC Codes

http://business.mysearchisover.com/

            Business Links & Resources are at the Business Directory

http://www.census.gov/epcd/naics02/naico602.htm

            2002 NAICS Codes & Titles

http://library.west.asu.edu/subjects/mgt/sic.html

            Good reference source

http://listsareus.com/business-sic-codes-m.htm

Business SIC Codes (NAICS Codes)  

To View Business SIC Codes – NAICS Codes Please Choose The Letter The             Industry Name Begins With:

================================================