Investors seek companies that consistently generate profits. One of the best metrics to measure profitability is the net profit margin. This metric highlights a company's ability to convert sales into actual profits, providing insights into operational efficiency and management quality. Willdan Group, Inc. (WLDN) , Limbach Holdings, Inc. (LMB) , Graham Corporation (GHM) and Centrus Energy Corporation (LEU) boast solid net profit margins. Net Profit Margin = Net profit/Sales * 100. Net profit represents the ...