It's helpful to know your the NAICS & SIC codes for your industry before going into some of the sources below.
For help understanding ratios and how to use them see the following sites:
The financial section of First Research has ratios for most industries.
NAICS codes and the earlier SIC codes are used to define industries.
Use these sources to verify your industry code definitions:
Information on coverage of RMA Annual Statement Studies is available at their web site.
For ratios of a large companies, it is best to compare with similar corporations.
S&P NetAdvantage Industry Surveys have comparison charts for competing companies.
Mergent allows you to create your own.
For more databases options, see our complete lists by subject or A - Z list.
Find company, market news, downloadable 5-year financials, S&P analysts reports & Industry Surveys, Argus Industry Reviews and SEC filings. Create charts and link to calculations and data sources.
Visit our Capital IQ (S&P) Guide for more details