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| Sterling Chemicals Supplier of various grades of calcium nitrate, magnesium nitrate and colloidal silica. |   |
| Magnesium Oxides: Martin Marietta Materials Offers water treatment chemicals and supplies such as Magnesium Oxide and Magnesium Hydoxide. |   | |
| CalMags Products include carbonates, hydroxides and oxides. Manufacturer of calcium- and magnesium-based compounds in pharmaceutical and industrial grades. |   | |
| Magnesia International Provider of trading and information services for magnesia and magnesia-based minerals and chemicals. |   | |
| Premier Chemicals International producer of magnesium oxide and magnesium hydroxide products. |   | |
| Baymag Producer of high grade calcined magnesium oxide and refractory grade fused MgO. |   | |
| Atul International manufacturer and distributor of agrochemicals, sulphuric acid, caustic soda and potash, chlorine, dyes and pigments intermediates and pigments intermediates, drug intermediates, epoxy hardeners and resins, formaldehyde and hexamine and manganese compounds. |   | |
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