United Statescornerstonechemco.com
Cornerstone Chemical Company, LLC is a privately held manufacturer of chemical intermediates headquartered in Metairie, Louisiana. It operates the Cornerstone Energy Park, an 800-acre facility in Waggaman, Louisiana, producing melamine and urea.
In 2025, the company sold its sulfuric acid production assets at the site to a subsidiary of Ecovyst Inc. It also ceased acrylonitrile operations due to market conditions. The facility was formerly associated with Cytec Industries' building block chemicals business.
Also known as Cytec Industries Inc. and Cytec Industries (Building Block Chemicals Business).
None yet. When a new project in the record names Cornerstone Chemical as owner, partner or investor, it shows here.
Acquired Waggaman sulfuric acid production assets from Cornerstone Chemical, boosting capacity, network flexibility and supply reliability for virgin sulfuric acid and regeneration services.
