Chemicals used in industry, science and photography, as well as agriculture, horticulture and forestry; catalysts; ethylene; polyethylene; chemical additives for fuels

Regeneration of catalysts for petroleum refiners; custom manufacture of chemicals; processing and finishing metals; gas processing; separating and fractionating liquids from natural gas; waste processing and treatment; industrial effluent treatment; mining services; plastic fabrication; metal plating; treating and coating of metals; processing and refining of fuels; processing and refining of chemicals