Stonebridge Partners has entered into a definitive agreement to sell Alpha Packaging to Irving Place Capital. The company manufactures plastic bottles and jars for the nutraceutical, pharmaceutical and personal care markets and was acquired by Stonebridge in a $50 million LBO in February 2007. Irving Place already has multiple investments in the Containers & Packaging industry, including Multi Packaging Solutions from 2005 and Chesapeake from 2009.