So far, a total of 13 codes from laboratories across Europe and America have joined the benchmark project. The list of participating laboratories as well as a short description of their codes (participant access only) is provided below.
 | Cast3M (Laboratoire des Sciences du Climat et de l'Environnement, www.lsce.ipsl.fr) |
 | GEOPS_COLD_ROOM_FACILITY (Géosciences Paris Sud, http://geops.geol.u-psud.fr/) |
 | ... (Maison de la Simulation, http://www.maisondelasimulation.fr/) |
 | permaFOAM (with OpenFOAM®) (Géosciences Environnement Toulouse, www.get.obs-mip.fr) |
 | GINETTE (Sorbonne Universités, Univ Paris 06, http://www.metis.upmc.fr/) |
 | GINETTE (Mines de Paris Paristech, www.mines-paristech.fr) |
 | HydroGeosphere & Smoker/Heatflow3D (Université Laval, www.ggl.ulaval.ca/accueil) |
 | SUTRA (Université McGill, http://www.mcgill.ca/) |
 | DARCYTOOLS (SKB, http://www.skb.se/) |
 | MARSFLO (Stockholm University, http://www.natgeo.su.se/) |
 | MELT (Desert Research Institute, Reno, USA, http://www.dri.edu/) |
 | PFLOWTRAN (Oak Ridge National Laboratory, http://www.ornl.gov/) |
 | FEFLOW (Technische Universität Darmstadt, www.tu-darmstadt.de) |
 | COMSOL (British Geological Survey, www.bgs.ac.uk/) |
 | FlexPDE (Wageningen University, https://www.wageningenur.nl/) |
 | ATS (Los Alamos National Laboratory, https://www.lanl.gov/) |