Copperhead Chemical Company Inc., a subsidiary of PMC Group International, earned Northrop Grumman's 2022 Strategic Excellence Award as part of their Supplier Excellence Awards. This award distinguishes Copperhead Chemical Company Inc. as a top supplier within Northrop Grumman's global network of over 10,000 suppliers. "The performance of Copperhead Chemical Company Inc. sets it apart as one of the best of the best supplier partners," said Matt Bromberg, Corporate Vice President, Glob...