Logos

I have been working on a logo for a friend's company. Not that he asked or anything, but it's something I enjoy. Find the variables I like, tweak them, re-arrange them. Try to use something besides Futura, my favorite font. Though Gill Sans is growing on me as is Santu(?), I think it is called. But something about licensing came up when I saved the file. Below are a few rough mockups.

The investigation continues...