I really like the way the "AV" looks. I prefer logos that are more in a horizontal line. The art in the circular shape seems to communicate audio levels which is good but audio is only part of what we do. There is a digital collaboration component. Perhaps that art should be slightly less pronounced. The Entry #12 gives me the the feeling of mountains and unfortunately we do not have any in the Midwest but I do like the font and the AV.
#27 is definately my favorite so far. Would it be possible to do a version of it in which the word "MIDWEST" is bold? It is nice that it is diferentiated from "AV" but quite have the pop. Also, is the word "Group" centered?