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.
Official website: cornerstonechemco.com
To provide comprehensive coverage, we aggregate data and news under the name Cornerstone Chemical, encompassing the following company names, divisions, and related entities:
Cytec Industries Inc. and Cytec Industries (Building Block Chemicals Business).
This list encompasses current and former names, alternate names, and key divisions associated with Cornerstone Chemical, ensuring you can easily find all relevant information under a single, unified profile.
