Jobs at small Wichita companies nobody posts about (update)

Two small Wichita employers told me they are hiring but have not posted yet. It has been weighing on me all week. One is a print shop, one is an accounting firm and one is a clinic. Should I visit in person?

Thanks for writing this out. I went through something close to it 11 months ago, and it settled down once I kept a simple log of every call and form.