Romanchuk & Co., a boutique M&A advisory firm focused on the energy and industrials sectors, is pleased to announce that Tulsa-based APSCO Holdings, LLC ("APSCO"), a leading manufacturer of engineered products, including pneumatic cylinders, controls and valves for the mobile, truck equipment and automotive markets, has been acquired by TGP Investments, LLC ("TGP"), a middle-market private equity investment firm based in Kansas City, Missouri. Romanchuk & Co. served as the ex