Shell Chemical LP- Geismar Plant Petroleum CompaniesChemical Manufacturers Shell Chemical LP- Geismar Plant 7594 Highway 75 Greismar, LA 70734 (225) 201-6500 (225) 201-6218 (fax) About About Manufacturer of intermediate chemical components of detergents, plastics, automotive antifreeze/coolant, synthetic motor and more. Ascension Chamber of Commerce 1006 W. Highway 30 Gonzales, LA 70737 Phone: (225) 647-7487 Fax: (225) 647-5124 info@ascensionchamber.com Quick Links Join the Chamber Members Benefits Events About Us News & Media Contact Us Resources © Copyright 2017. Ascension Chamber of Commerce. Website designed by dezinsINTERACTIVE