Are there any publicly traded pure-play prison companies? Not interested in investing, but would be fascinated to read their 10-Ks. Do they get significant reve

Are there any publicly traded pure-play prison companies? Not interested in investing, but would be fascinated to read their 10-Ks. Do they get significant revenue from anywhere other than taxpayers? I know they sell labor and charge for phone calls, but that can't add up to terribly much more than their food + supply costs.