Well, technically they would be classified simply as their own entity, making them an independent, militant clan, at least from what the leader is saying. Category independent, subcategory clanner(militant). Although, looking at the name, it seems more like a companies private security force than a PMC, independent faction, or what have you to me. At least that's what the name implies.
Basically, the name clearly implies "private security", while the faction actually wants to work and act as a "private army". If I'm wrong, just go ahead and say it, I'm just trying to make sense of the situation.