Mean or median financial ratios for a particular industry. They can be used to compare a company's performance to the industry as a whole, or for cross-industry comparisons.

• Dun & Bradstreet's Industry Norms and Key Business Ratios - also in print in the Hunt Reference collection 338.5 I42
  
• RMA Annual Statement Studies - Hunt Reference collection 657.3 R627


• Standard & Poor's Analysts' Handbook - Hunt Reference collection 332.6058 S78AN
  
• (Troy's) Almanac of Business and Industrial Financial Ratios, historical, 1972-1993 - Hunt Reference collection 338.5 T86A
  

• Financial Studies of the Small Business - Hunt Reference collection 658.1592 F491

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• SIC Code Definitions and Look-ups

The North American Industry Classification System (NAICS) and the Standard Industrial Classification (SIC) code system were developed to classify products and services. They are often used to categorize business information by industry; many of the resources listed above use them.

• North American Industry Classification System (NAICS) - also at the Hunt reference desk 657.3 R62

• Standard Industrial Classification Manual (SIC) - also at the Hunt reference desk 338.083 S7852



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