Originally Posted by Gradus Futura

Im not totally sure but I think its called american steel. Maybe some where in texas my grandfather picked up the steel I beams and drove back to CO. He rented a forklift and built a pretty damn big shop on his property. Not bad for an old man. I think for him and doing the main assembly with a couple of workers only cost him like 20k or less. It was about three or for times the size of the one in your picture. Just another option. I believe there are a lot of these companies around that offer the pre made shop/garages. Good luck. I have picks if your interested in the one my gramps built.