How to check if a company is certified, bonded, and insured?

Hi, I'm getting an hdtv that I need mounted. Nothing fancy, just hanging and concealing the wires behind something (not the wall). There don't seem to be any reputable brick and mortar companies in chicago that I know of that do this. Most of the companies say insured, certified, and bonded, but how do you... show more Hi, I'm getting an hdtv that I need mounted. Nothing fancy, just hanging and concealing the wires behind something (not the wall). There don't seem to be any reputable brick and mortar companies in chicago that I know of that do this. Most of the companies say insured, certified, and bonded, but how do you check to see if they really are? They could just be telling me what I want to hear. Thanks for the help.
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