Many, may be an exaggeration. But Buck isn't the only one by a long stretch. And then there are the companies that advertise their faith, whether because you would only want to trade with fellow Christians or because Christians are supposedly more honest I don't know. I operate on the theory that a company that tells you it's Christian has little else to recommend it and move on down through the yellow pages (metaphorical as it's usually Angie's List these days).
If there is a god, I want to believe that there is a god. If there is not a god, I want to believe that there is no god.