My expectation would be that anything other than Microsoft offers higher risk. They will most likely be around for a long time, and they keep their products aro

My expectation would be that anything other than Microsoft offers higher risk. They will most likely be around for a long time, and they keep their products around for a long time, with proof of focussing on backwards compatibility. Is it without risk? Probably not, but i doubt you can show me a IT company with lower risk.