 Angus Chemie GmbH |
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| Ebonex Corporation |
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| Geo Speciality Chemicals ltd. |
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| Hitachi Chemical Europe GmbH |
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| IMI Fabi |
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| InVitro International |
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| Lehmann & Voss & Co |
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| Mawi Industrieagentur |
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| R.I.T.A. Corporation |
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| Silab |
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| Solvay Bario e Derivati Spa |
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| Solvay Chemicals |
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| World Minerals |
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