The Operating Agent of IEA Task 29 Mexnext is Gerard Schepers of the Energy Research Centre of the Netherlands ECN.

The following parties participated in the first phase of Mexnext.

• Canada (École de technologie supérieur, Montreal, ETS, University of Victoria, Uvic)
• Denmark(RISØ-DTU/DTU-MEK).
• Germany(University of Stuttgart (IAG), University of Applied Sciences, Kiel/CEWind EG and Forwind
• Israel (Israel Institute of Technology (Technion)).
• Japan (Mie University, and National Institute of Advanced Industrial Science and Technology (Mie/AIST))
• Korea (Korea Institute of Energy Research (KIER) and Korea Aerospace Research Institute (Kari))
• Netherlands (The Energy Research Center of the Netherlands (ECN) , University of Delft (TUDelft), Suzlon Blade Technology(SBT),  University of Twente (TUTwente))
• Norway (Institute for Energy Technology/Norwegian University of Science and Technology IFE/NTNU)) 
• Spain (Renewable Energy National Center of Spain (CENER) and National Institute for Aerospace Technology, INTA).
• Sweden (Royal Institute of Technology/University of Gotland (KTH/HGO)).
• USA (National Renewable Energy Laboratory (NREL)).

 In the extension of Mexnext, the Chinese Wind Energy Association and the Fraunhofer institute will also participate.