Markel Corporation (NYSE:MKL) insures areas of the economy you may not normally think about when you think about insurance -- including summer camps, horse breeding, and vintage cars. So while it may not be the most exciting company, it's established a stable -- and profitable -- niche. It's also a conservative company, meaning it's saving enough to cover potential claims ahead of time and avoiding costly surprises down the road.

In the following video, Motley Fool financial sector analysts Matt Koppenheffer and David Hanson discuss Markel and other big companies in the insurance space.