ACTRIS Spain is formed by 11 Spanish organizations, among them some Research Institutes and Universities, supported by the Ministry of Science and Innovation and grouped in a Joint Research Unit:

IISTA - CEAMA
CIEMAT
Institutes and centers
- AEMET Meteorology Statal Agency, Izaña Atmospheric Research Center
- BSC Barcelona Supercomputing Center, Department of Earth Sciences
- CIEMAT Research Centre for Energy, Environment and Technology, Department of the Environment.
- CSIC-IDAEA Spanish National Research Council, Institute of Environmental Diagnosis and Water Studies, Atmospheric Pollution.
- INTA National Institute of Aerospace Technology, Atmospheric Research and Instrumentation Area
- IISTA-CEAMA Andalusian Institute for Earth System Research, CEAMA building, University of Granada.
- CEAM Mediterranean Center for Environmental Studies