- AEGEAN TRADING INTERNATIONAL Ltd.,
Piraeus
- AGET HERACLES, Athens
- AOT TRADING AG, Zug, Switzerland,
- ALICON UNIVERSAL S.A., Panama,
- ALUMINIUM DE GRECE, Athens
- ANCORA INVESTMENT TRUST INC, Piraeus,
- ARCADIA PETROLEUM LIMITED, London,
- B.B. ENERGY MANAGEMENT S.A.,Athens
- COECLERICI CARBOMETAL S.p.A., Milano
- CYCLON HELLAS S.A., Athens
- ELF TRADING S.A., Geneva
- ELINOIL S.A., Athens
- ESTEL ESTABLISHMENT, Sofia
- ELMIN MINING ENTERPRISES Co, Athens
- GLENCORE UK Ltd, London
- HALYPS BUILDINGS MATERIALS S.A.,
Athens
- HELLENIC PETROLEUM S.A.
 

- LIA OIL S.A., Geneva
- LITASCO, Geneva
- MAMIDOIL JETOIL S.A.
- MARUBENI, Signapore
- METACHEM S.p.A., Soresina, Italy
- MOIL COAL TRADING Co. Ltd
- MOTOR OIL (HELLAS) CORINTH REFINARIES
- NAFTOMAR SHIPPING & TRADING Co. Ltd
- NOVA PETROLEUM LTD, London
- ORSMOND MARITIME LTD, Piraeus
- OIL REFINERIES LTD, Haifa
- ONYX OIL LTD, Baar
- PETRACO S.p.A., Milano
- PHOSPHORIC FERTIZERS INDUSTRY
- POLEMBROS SHIPPING LTD, Piraeus
- ROCOIL TRADING E COMERCIO LDA, Madrid
- SAMSUNG CORPORATION, Singapore-Korea
- SHELL HELLAS S.A.
- SSM COAL B.V., Holland
- STYGA COMPANIA NAVIERA S.A., Piraeus
- TAMOIL SERVICES S.A.M., Monaco
- TOTAL INTERNATIONAL Ltd., Paris
- TRASIMEX S.A., GENEVA
- UNITED OVERSEAS TANKERS, Piraeus
- VITOL SERVICES LTD, London
- V.P.I. S.A., Athens
  Additives - Clientele
- A.O.T. TRADING AG, Zug
- B.B. ENERGY MANAGEMENT S.A., Athens
- LIA OIL S.A., Geneva
- ESTEL ESTABLISMENT, Sofia
- MARUBENI, Signapore
- MOTOR OIL (HELLAS) CORINTH REFINERIES S.A.
- OIL REFINERIES LTD, Haifa
- ONYX OIL LTD., Baar
- SAYBOLT EASTERN HEMISPHERE B.V., Rotterdam
- SHELL INT'L TRADING & SHIPPING Co., London
- VITOL SERVICES LTD, London