Healthy sales growth and robust margin expansion; Maintaining mid-single digit full year sales growth outlook PITTSBURGH, April 29, 2024 /PRNewswire/ -- Global safety equipment and solutions provider MSA Safety Incorporated (NYSE: MSA) today reported financial results for the first quarter of 2024. Quarterly Highlights Achieved quarterly net sales of $413 million, a 4% increase year-over-year. Generated GAAP operating income of $80 million, or 19.4% of sales, and adjusted operating income of $88 million, o ...