Labor Day 2022 September 4, 2022 News, News_Non-Home PHI will be closed on Monday, September 5, 2022, in celebration of Labor Day. As an enduring American manufacturer, it is an honor to recognize the valuable contributions of our workers to our business and society. Tags: 2022, employee, holiday, labor, Labor Day, machinery, Made in America, Made in the U.S.A., manufacturer, manufacturing, work, workers