The Plaza Group is an international petrochemical marketing company headquartered in Houston, Texas.

We are the marketer of certain refinery and/or petrochemical products for Holly Frontier, Total Petrochemicals, Mitsui, CEPSA, Husky Energy, Versalis, Haverhill Chemicals, Valero, Shell, Flint Hills, Calumet, Sumitomo, Southern Chemical, Ampco and Alon Refining, among others.

Our accounts include many Fortune 500 companies, major international firms, direct consumers and select chemical distributors.