Proudly doing your dirty work in San Antonio for years. Everybody wants to help the environment, and just about all of us could use a little extra space, uncluttered by aging relics or corroded, hulking machinery. But it can be hard to know what to do with old scrap iron, batteries, radiators or a whole range of other things. National Steel Compressing is what you do with these items. At National Steel Compressing, we offer container service and we handle everything from aluminum cans to scrap iron and more! Clear out your immediate surroundings in a way that's environmentally responsible: Bring your stuff to National Steel Compressing.