:::: Corporación P E T R O K E M I A :::

Albemarle Corporation
Albemarle PPC
Air Products and Chemicals Inc.
Unipetrol Deutschland.
Materia Oleochemicals.
Petrochem Services Ltd.
FRT Chemicals Inc.
Quimicorp International.
Royal Lubricants, Inc. - Anderol.
Petro Canada.
Montana Quimica, S.A.
Metaux Speciaux.
IMC Chemicals Inc.