The output of companies is what?

Warning: This blog does not refer to any well established economic theory. If you look for some Keynesian economics, comments on Marx or Supply and...
Warning: This blog does not refer to any well established economic theory. If you look for some Keynesian economics, comments on Marx or Supply and Demand - please leave. No behavioral market models. (Although some game theory could be fun...) Nothing of interest here. Go away. Try this one. Actually I am a quite simple minded person. Usually I watch the world turning and rarely I try to understand why certain things are just the way they are. Still, the question "Why do we have companies?" hangs around for a long time. For entities governed by the law of nature...