RICHMOND, Va.--(BUSINESS WIRE)--NewMarket Corporation (NYSE: NEU) today announced that it has completed the acquisition of Mars TopCo, LLC, the ultimate parent company of Calca Solutions, LLC (Calca). Calca was previously a portfolio company of AE Industrial Partners, LP. Headquartered in Lake Charles, Louisiana, Calca is the nation's leading producer of UltraPure and high-purity hydrazine – essential, mission- critical propellants that enable advanced aerospace and defense applications. Calca's. ...