Take a look how the latest AV products perform on a Mac. http://www.av-comparatives.org/mac-security-reviews/
Mac Security Review/Test 2015
We just released the Mac Security Review/Test 2015 report. It can be found here.
The Practical Guide to Mac Security: How to avoid malware, keep your online accounts safe, and protect yourself from other disasters
List of AV Vendors (Mac)
In the Mac security comparative tests/reviews, we usually include only products of vendors which applied to get their security product scrutinized and publicly evaluated.
On the page below you can find a list of 25 relatively well-known Mac security vendors.