Immigrants prove big business for prison companies Chicago Daily Herald MIAMI — Locking up illegalimmigrants has grown profoundly lucrative for the private prisons industry, a reliable pot of revenue that helped keep some of the biggest companies in business. And while nearly half of the 400000 immigrants held annually ... Immigrants bring profits to prison companiesSalt Lake Tribune Undocumented Immigrants Prove Big Business For Prison CompaniesHuffington Post Private Prisons Earn Millions Imprisoning Immigrants, Lobby for Stronger ...Opposing Views