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

The following parties expressed their intention to participate. It should be noted that some of these parties still need to secure their funding which makes their participations slightly uncertain.

• Canada (École de technologie supérieur, Montreal, ETS)
• Denmark(RISØ-DTU/DTU-MEK).
• Germany(University of Stuttgart (IAG), University of Applied Sciences, Kiel and Forwind
• Israel (Israel Institute of Technology (Technion)). (As soon as Israel has become a party  in the IEA Wind Implementing Agreement)
• 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) and AE-Rotortechniek (AERT))
• Norway (Institute for Energy Technology/Norwegian University of Science and Technology IFE/NTNU)) 
• Spain (Renewable Energy National Center of Spain (CENER)).
• Sweden (Royal Institute of Technology/University of Gotland (KTH/HGO)).
• USA (National Renewable Energy Laboratory (NREL)).