• M. Winicjusz Stanik - Member of Board of Polish National Committee of World Petroleum Congresses -1991
• Ph.D. Stanisław Oleksiak - V-ce president of Coordination European Council for the Development of Performance Tests for Transportation Fuels, Lubricants and Other Fluid - 'CEC POLSKA' (CEC POLAND) -1996
• Ph.D. Irena Koblańska - Member of Board of 'CEC POLSKA'. -1996
• Ph.D. Beata Altkorn - Member of 'CEC POLSKA' -1996
• Ph.D. Zbigniew Stępień - Member of CEC Working Groups: TDG-F-034, TDG-F-035, SG-F-005, SG-F-020, SG-F-023 -1997
• M. Danuta Herman - Member of CEC Working Group: SG-L-036 - 1998
• Ph.D. Stanisław Oleksiak - Member of CEC Working Groups: SG-T-007, SG-T-045, SG-F-006 -1998
• M. Kazimierz Chłobowski - Member of IFQC -(International Fuel Quality Center)-(USA) -1999
• M.E. Aleksander Kaczmarczyk - Member of IFQC -1999
• Ph.D. Ludwik Kossowicz - Member of IFQC -1999
• Ph.D. Stanisław Oleksiak - Member of IFQC -1999
• Ph.D. Iwona Skręt - Member of IFQC -1999
• M. Winicjusz Stanik - Member of IFQC -1999
• Ph.D. Leszek Ziemiański - Member of IFQC -1999
• M.E. Aleksander Kaczmarczyk - Member of CEN (Comité Européen de Normalisation) - working group: TC 19/WG 30. -1999
• Ph.D. Antoni Marchut - Member of CEN -1999
• Ph.D. Marek Kozak - Member of CEN -2004
• Ph.D. Ludwik Kossowicz - V-ce President of Normalization Technical Commission No. 222 for Petroleum Products and Eksploatations Liquids -1994
• Ph.D. Franciszek Steinmec - Member of Normalization Technical Commission No. 222 for Petroleum Products and Eksploatations Liquids -1994
• Ph.D. Antoni Marchut - Member of Polish Chemical Society -1970
• Prof. Ph.D. Marian Zabłocki - Member of Polish Scientifical Society of Motorization -1993, - Member of Polish Institute of Combustion -1995, - Member of Board of Scientific Technical Commission of Motorization - The Krakow Branch of the Polish Academy of Sciences (PAN) -1980
• M. Winicjusz Stanik - Member of Polish Tribological Society -1988
• Ph.D. Bogusław Szczerski - Member of Polish Tribological Society -1988
• Ph.D. Łukasz Jęczmionek - Member of Polish Society of Zeolite -2000
• M. Winicjusz Stanik - Member of Scientific and Investigative Institute of Economic Analyses Diagnoses and Forecasts - Poland, Europe, World -2002
• Ph.D. Janusz Jakóbiec - Member of Polish Scientific Society of Combustion Engines. -2003
• M.E. Grzegorz Wysopal - Member of Polish Scientific Society of Combustion Engines. -2003

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