RMA Annual Statement studies can be found in Reference USA which searches a little over 40 million private and public companies.
You can get to these reports by searching for a company, by searching an industry code or by typing in the name of an industry.
To view these reports:
Click here to open Reference USA
Chose OneSource from the menu and then click continue on the next screen
Type in company or the name of an industry.
Under company, click on an industry link that best represents your company.
On the industry page chose the RMA Industry norm link in the left-hand column.