Ohio Rev. Code Ann. § 5733.31
(A) As used in this section:
(B) A nonrefundable credit is allowed against the tax imposed by section 5733.06 of the Revised Code for a taxpayer that purchases new manufacturing machinery or equipment that the taxpayer locates in this state and uses as a manufacturer. The credit also is allowed for a taxpayer that is a direct or indirect partner in a partnership that purchases new manufacturing machinery or equipment that the partnership locates in this state and uses as a manufacturer. In either event, the credit is available only if both of the following conditions are met: