Indiana Code Title 22. Labor and Safety § 22-5-3-2

Sec. 2. If any railway company or any other company, partnership, limited liability company, or corporation in this state shall authorize, allow or permit any of its or their agents to black-list any discharged employees, or attempt by words or writing, or any other means whatever, to prevent such discharged employee, or any employee who may have voluntarily left said company's service, from obtaining employment with any other person, or company, said company shall be liable to such employee in such sum as will fully compensate him, to which may be added exemplary damages.