CIG Center for Innovation and Growth - Entrepreneurship: NAICS and SIC codes

The following brief guides are available under the How to find... drop down menu:

• Company Financials
• Company Histories
• Financial Ratios
• NAICS and SIC codes
• Top Competitors/Industry Information

How to find a company's NAICS (North American Industry Classification System) or SIC (Standard Industrial Classification) numbers:

Ritter Library has two databases which provide NAICS codes for public corporations and larger private companies.

Business Source Complete lists NAICS and SIC numbers for public corporations.

• Open the Company Information search option in the blue menu bar at the top of the basic search page
• Enter the company name or ticker symbol
• Select the Industry section to see the NAICS or SIC numbers

Mergent Online lists primary and numerous secondary NAICS and SIC numbers for each company.

• Enter a company name in the basic search
• Select the company and open the Business link under the Company Details tab

If you are researching a smaller private company, try Reference Solutions (formerly Reference USA), available through Cleveland Public Library. You will need a CleveNet or Greater Access library card (available through Cleveland Public Library) in order to access this resource.

The official websites for searching the North American Industry Classification System (NAICS) and the Standard Industry Classifications (SIC) provide complete descriptions of the classification numbers.