I found that three major sectors are being audited: environmental organizations that work on energy issues, particularly around the oil sands and pipelines, and exports off the coast; secondly, international development and human rights organizations; and the third were charities that had significant labour union funding. I think it's fair to say that all three of those categories probably, with this current government, tend to have higher political activity levels than some others. In participating in public conversations, they may be more critical of the current government. They often have a different approach from what the government is taking on the issues.
Evidence of meeting #51 for Finance in the 41st Parliament, 2nd session. (The original version is on Parliament’s site, as are the minutes.) The winning word was capital.
A video is available from Parliament.