NEW YORK, October 16, 2018-- Centre Partners, a leading middle market private equity firm with offices in New York and Los Angeles, today announced that it has made an investment in Guy & O'Neill, Inc. ("Guy & O'Neill"), a premier manufacturer and developer of household cleaning and personal care products. Centre's investment, financial terms of which were not disclosed, was made alongside the Company's senior management team, which will continue to own a meaningful stake and lead the business under Centre's ownership.