Click on the More link near the top of the Business Source Complete search page, then click Company Profiles and type in the name of the company. MarketLine reports found here.
Navigate to the Advanced Search page. Click on Company Reports in the left sidebar. Enter the name of the company in the search box and click the Search button. Choose a report from the results list. Click on Full Text - PDF to view the full report. This database contains Hoover's Company Profiles (Report provided by: Mergent) and more.
From the Westlaw homepage, click Company Investigator and enter the name of the company. After selecting the correct company from the results list, click over to the Reports tab. This database is most useful for official documents such as SEC filings or court cases.
"The North American Industry Classification System (NAICS) is the standard used by Federal statistical agencies in classifying business establishments." - U.S. Census Bureau
Adopted in 1997, NAICS replaced the Standard Industrial Classification (SIC) system. However you will commonly see SIC codes still listed.