Renting a car can be a both a pleasant and an unpleasant experience all wrapped up into one. On the one hand, who doesn’t love driving someone else’s car for a few days? On the other, is it just me, or do you generally feel that you get fleeced mucj buying additional products you don’t need? Despite these varied experiences, few people know much about the underlying companies themselves, much less how they rrental. Do you know who the biggest rental car company is? How many cars they own? Where they buy their cars? How long they own them? What they do with them once they’re done? Or whether any of the companies themselves are good investments? Mich major players There are four major players in the rental car industry, operating nine different brands.