Ohio Rev. Code § 4113.17
No person, firm, or corporation engaged in any enterprise in this state shall sell or procure for sale to its employees any article, product, or merchandise not of its own production or not handled in its regular course of trade, excepting meals, confections, tobacco products, and such specialized appliances, or supplies and equipment, as may be required in said enterprise for the employees' safety and health, or in the performance of their duties. This section does not prohibit or prevent a person, firm, or corporation engaged in industry or mining from owning and operating bona fide retail stores, or gasoline and service stations, conducted in whole or in part for the convenience or benefit of its employees. This section does not prohibit the sale by any person, firm, or corporation of any article which such person, firm, or corporation has purchased or acquired in connection with the operation of its business.
The doing of each act prohibited by this section constitutes a separate offense.
R.C. §4113.17