Petro-Chem Clients
Alfred Palma Formosa Plastics Rhodia
Alon Refining USA Gramercy Alumina Shell Chemical
Basell USA Innophos Stolt-Nielson
Boise Meadwestvaco TOTAL Petrochemicals
Cabot Industries Mosaic Phosphates Valero Refining
Cargill Murphy Refinery Trunkline LNG/Gas
CertainTeed Nalco
CF Industries Oxbow
Chemtura OxyChem
Degussa Corp. Placid Refining
Exide PPG Industries
Contact Us
Metairie Office - 2450 Severn Ave., Suite 308, Metairie, LA 70001
Lafayette Office - 111 Rue Jean Laffite, Suite 202, Lafayette, LA 70508
Mandeville Office - 1267 W. Causeway Approach, Mandeville, LA 70471
Lake Charles Office - 635 Petro Point Drive, Lake Charles, LA 70607
Baton Rouge Office - 626 Highlandia Drive, Baton Rouge, LA 70810
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At Keystone Engineering Inc., our most vital strength is our employees. We are continually seeking new talent in various branches of engineering and management.