7,677 active, qualified ISHN direct requesting subscribers were selected from these industries: manufacturing (50%), construction (20%), utilities (10%), chemical/refining processes (10%), oil & gas (all available records), and consulting (10%).
A web-based survey method was employed. Fielding dates: September 11-25, 2012. 229 usable returns give the survey a 3% response rate.
Click here to see all of the reports from the ISHN White Paper Reader Survey.