Any documentary materials or data made or received by any member, agent, or employee of the Department, to the extent that such material or data consist of trade secrets, or commercial or financial information regarding the operation of any business conducted by a beneficiary or recipient of any form of assistance which the Department is empowered to render under this Article, or regarding the competitive position of such business in a particular field of endeavor, shall be deemed to be confidential and shall not be deemed public records; provided that information relating to the ownership of such recipient or beneficiary shall not be exempt under this Section from public disclosure requirements.