MiddleGround, a private equity firm, completed the acquisition of Arrow Tru-Line, an independent manufacturer and supplier of overhead garage door hardware components. Financial terms were not disclosed. "We are impressed by the success Arrow Tru-Line has achieved to date and look forward to supporting its continued growth in the garage door space and identifying additional avenues for the company’s expansion under our ownership," Lauren Mulholland, MiddleGround Founding Partner.